Fix lint issue

Locking Flows

.github/workflows/release.yml

@@ -5,6 +5,9 @@ on:
   release:
     types: [published]
 
+permissions:
+  contents: read
+
 jobs:
   generate:
     name: 'Update node-red-docker image'

.github/workflows/tests.yml

@@ -6,8 +6,14 @@ on:
   pull_request:
     branches: [ master, dev ]
 
+permissions:
+  contents: read
+
 jobs:
   build:
+    permissions:
+      checks: write  # for coverallsapp/github-action to create new checks
+      contents: read  # for actions/checkout to fetch code
     runs-on: ubuntu-latest
     strategy:
       matrix:

.jshintrc

@@ -15,5 +15,5 @@
     "shadow": true,     // allow variable shadowing (re-use of names...)
     "sub": true,        // don't warn that foo['bar'] should be written as foo.bar
     "proto": true,      // allow setting of __proto__ in node < v0.12,
-    "esversion": 6      // allow es6
+    "esversion": 11      // allow es11(ES2020)
 }

CHANGELOG.md

@@ -1,3 +1,94 @@
+#### 3.1.0-beta.1: Beta Release
+
+
+Editor
+
+ - NEW: Locking Flows (#3938) @knolleary
+ - NEW: Improve UX around hiding flows via context menu (#3930) @knolleary
+ - NEW: Add support for inline image in markdown editor by drag and drop of an image file (#4006) @HiroyasuNishiyama
+ - NEW: Add support for mermaid diagram to markdown editor (#4007) @HiroyasuNishiyama
+ - NEW: Support uri fragments for nodes and groups including edit support (#3870) @knolleary
+ - NEW: Add global environment variable feature (#3941) @HiroyasuNishiyama
+
+ - Remember compact/pretty flow export user choice (#3974) @Steve-Mcl
+ - fix .red-ui-notification class (#4035) @xiaobinqt
+ - Fix border radius on Modules list header (#4038) @bonanitech
+ - fix workspace reference error in case of empty tabs (#4029) @HiroyasuNishiyama
+ - Disable delete tab menu when single tab exists (#4030) @HiroyasuNishiyama
+ - Disable hide all menu if all tabs hidden (#4031) @HiroyasuNishiyama
+ - fix hide subflow tooltip (#4033) @HiroyasuNishiyama
+ - Fix disabled menu items in project feature (#4027) @kazuhitoyokoi
+ - Let themes change radialMenu text colors (#3995) @bonanitech
+ - Add Japanese translations for v3.0.3 (#4012) @kazuhitoyokoi
+ - Add Japanese translation for v3.1.0-beta.0 (#3997) @kazuhitoyokoi
+ - Add Japanese translation for v3.1.0-beta.0 (#3916) @kazuhitoyokoi
+ - Hide subflow category after deleting subflow (#3980) @kazuhitoyokoi
+ - Prevent dbl-click opening node edit dialog with text selected (#3970) @knolleary
+ - Handle replacing unknown node inside group or subflow (#3921) @knolleary
+ - Fix #3939, red border red-ui-typedInput-container (#3949) @Steveorevo
+ - i18n item URL copy notification & add Japanese message (#3946) @HiroyasuNishiyama
+ - add Japanese message for item url copy actions (#3947) @HiroyasuNishiyama
+ - Fix autocomplete entry for responseUrl (#3884) @knolleary
+ - Fix Japanese translation for JSONata editor (#3872) @HiroyasuNishiyama
+ - Fix search type with spaces (#3841) @Steve-Mcl
+ - Fix error hanndling of JSONata expression editor for extended functions (#3871) @HiroyasuNishiyama
+ - Add button type to the adding SSH key button (#3866) @kazuhitoyokoi
+ - Check radio button as default in project dialog (#3879) @kazuhitoyokoi
+ - Add $clone as supported function (#3874) @HiroyasuNishiyama
+ - Env var jsonata (#3807) @HiroyasuNishiyama
+ - Add Japanese translation for v3.0.2 (#3852) @kazuhitoyokoi
+
+Runtime
+
+ - Force IPv4 name resolution to have priority (#4019) @dceejay
+ - Fix async loading of modules containing both nodes and plugins (#3999) @knolleary
+ - Use main branch as default in project feature (#4036) @kazuhitoyokoi
+ - Rename package var to avoid strict mode error (#4020) @knolleary
+ - Fix typos in settings.js (#4013) @ypid
+ - Ensure credentials object is removed before returning node in getFlow request (#3971) @knolleary
+ - Ignore commit error in project feature (#3987) @kazuhitoyokoi
+ - Update dependencies (#3969) @knolleary
+ - Add check that node sends object rather than primitive type (#3909) @knolleary
+ - Ensure key_path is quoted in GIT_SSH_COMMAND in case of spaces in pathname (#3912) @knolleary
+ - Fix nodesDir scan when node package has js/html in sub dir to package.json (#3867) @Steve-Mcl
+ - Fix file permissions (#3917) @kazuhitoyokoi
+ - ci: add minimum GitHub token permissions for workflows (#3907) @boahc077
+
+Nodes
+
+ - Catch: fix typo in catch.html (#3965) @we11adam
+ - Change: Fix change node overwriting msg with itself (#3899) @dceejay
+ - Comment node: Clarify where the text will appear (#4004) @dirkjanfaber
+ - CSV: change replace to replaceAll (#3990) @dceejay
+ - CSV node: check header properties for ' and " (#3920) @dceejay
+ - CSV: Fix for CSV undefined property (#3906) @dceejay
+ - Delay: let delay node handle both flush then reset (#3898) @dceejay
+ - Function: Limit number of ports in function node (#3886) @kazuhitoyokoi
+ - Function: Remove dot from variable name for external module in function node (#3880) @kazuhitoyokoi
+ - Function: add function node monaco types util and promisify (#3868) @Steve-Mcl
+ - HTTP In: Ensure msg.req.headers is enumerable (#3908) @knolleary
+ - HTTP Request: Support form-data arrays (#3991) @hardillb
+ - HTTP Request: Fix httprequest tests to be more lenient on error message (#3922) @knolleary
+ - HTTP Request: Add missing property to node object HTTPRequest (#3842) @hardillb
+ - HTTP Request/Response: Support sortable list on property UI of http request and http response nodes (#3857) @kazuhitoyokoi
+ - HTTP Response: Ensure statusCode is a number (#3894) @hardillb
+ - Inject: Allow Inject node to work with async context stores (#4021) @knolleary
+ - Join/Batch: Add count to join and batch node labels (#4028) @dceejay
+ - MQTT: Fix birth topic handling in MQTT node (#3905) @Steve-Mcl
+ - MQTT: Fix pull-down menus of MQTT configuration node (#3890) @kazuhitoyokoi
+ - MQTT: Prevent invalid mqtt birth topic crashing node-red (#3869) @Steve-Mcl
+ - MQTT: ensure sessionExpiry(Interval) is applied (#3840) @Steve-Mcl
+ - MQTT: Fix mqtt nodes not reconnecting on modified-flows deploy (#3992) @knolleary
+ - MQTT: fix single subscription mqtt node status (#3966) @Steve-Mcl
+ - Range: Add drop mode to range node (#3935) @dceejay
+ - Remove done from describe (#3873) @HiroyasuNishiyama
+ - Split node: avoid duplicate done call for buffer split (#4000) @knolleary
+ - Status: Fix typo in 25-status.html (#3981) @kazuhitoyokoi
+ - TCP Node: ensure newline substitution applies to whole message (#4009) @dceejay
+ - Template: Add information about environment variable to template node (#3882) @kazuhitoyokoi
+ - Trigger: Hide trigger node repeat send option if sending nothing (#4023) @dceejay
+ - Watch: fix watch node test on MacOS/ARM (#3942) @HiroyasuNishiyama
+
 #### 3.0.2: Maintenance Release
 
 Editor

Gruntfile.js

@@ -151,6 +151,7 @@ module.exports = function(grunt) {
                     "packages/node_modules/@node-red/editor-client/src/js/font-awesome.js",
                     "packages/node_modules/@node-red/editor-client/src/js/history.js",
                     "packages/node_modules/@node-red/editor-client/src/js/validators.js",
+                    "packages/node_modules/@node-red/editor-client/src/js/ui/mermaid.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/utils.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/common/editableList.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/common/treeList.js",
@@ -169,6 +170,7 @@ module.exports = function(grunt) {
                     "packages/node_modules/@node-red/editor-client/src/js/ui/diagnostics.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/diff.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/keyboard.js",
+                    "packages/node_modules/@node-red/editor-client/src/js/ui/env-var.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/workspaces.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/statusBar.js",
                     "packages/node_modules/@node-red/editor-client/src/js/ui/view.js",
@@ -224,7 +226,7 @@ module.exports = function(grunt) {
                         "node_modules/jsonata/jsonata-es5.min.js",
                         "packages/node_modules/@node-red/editor-client/src/vendor/jsonata/formatter.js",
                         "packages/node_modules/@node-red/editor-client/src/vendor/ace/ace.js",
-                        "packages/node_modules/@node-red/editor-client/src/vendor/ace/ext-language_tools.js",
+                        "packages/node_modules/@node-red/editor-client/src/vendor/ace/ext-language_tools.js"
                     ],
                     // "packages/node_modules/@node-red/editor-client/public/vendor/vendor.css": [
                     //     // TODO: resolve relative resource paths in
@@ -233,6 +235,9 @@ module.exports = function(grunt) {
                     "packages/node_modules/@node-red/editor-client/public/vendor/ace/worker-jsonata.js": [
                         "node_modules/jsonata/jsonata-es5.min.js",
                         "packages/node_modules/@node-red/editor-client/src/vendor/jsonata/worker-jsonata.js"
+                    ],
+                    "packages/node_modules/@node-red/editor-client/public/vendor/mermaid/mermaid.min.js": [
+                        "node_modules/mermaid/dist/mermaid.min.js"
                     ]
                 }
             }

package.json

@@ -1,6 +1,6 @@
 {
     "name": "node-red",
-    "version": "3.0.2",
+    "version": "3.1.0-beta.1",
     "description": "Low-code programming for event-driven applications",
     "homepage": "http://nodered.org",
     "license": "Apache-2.0",
@@ -26,13 +26,13 @@
         }
     ],
     "dependencies": {
-        "acorn": "8.7.1",
+        "acorn": "8.8.1",
         "acorn-walk": "8.2.0",
-        "ajv": "8.11.0",
-        "async-mutex": "0.3.2",
+        "ajv": "8.11.2",
+        "async-mutex": "0.4.0",
         "basic-auth": "2.0.1",
         "bcryptjs": "2.4.3",
-        "body-parser": "1.20.0",
+        "body-parser": "1.20.1",
         "cheerio": "1.0.0-rc.10",
         "clone": "2.1.2",
         "content-type": "1.0.4",
@@ -41,15 +41,15 @@
         "cors": "2.8.5",
         "cronosjs": "1.7.1",
         "denque": "2.1.0",
-        "express": "4.18.1",
+        "express": "4.18.2",
         "express-session": "1.17.3",
         "form-data": "4.0.0",
         "fs-extra": "10.1.0",
         "got": "11.8.5",
         "hash-sum": "2.0.0",
-        "hpagent": "1.0.0",
+        "hpagent": "1.2.0",
         "https-proxy-agent": "5.0.1",
-        "i18next": "21.8.16",
+        "i18next": "21.10.0",
         "iconv-lite": "0.6.3",
         "is-utf8": "0.2.1",
         "js-yaml": "4.1.0",
@@ -60,7 +60,7 @@
         "memorystore": "1.6.7",
         "mime": "3.0.0",
         "moment": "2.29.4",
-        "moment-timezone": "0.5.34",
+        "moment-timezone": "0.5.39",
         "mqtt": "4.3.7",
         "multer": "1.4.5-lts.1",
         "mustache": "4.2.0",
@@ -73,19 +73,19 @@
         "passport-http-bearer": "1.0.1",
         "passport-oauth2-client-password": "0.1.2",
         "raw-body": "2.5.1",
-        "semver": "7.3.7",
-        "tar": "6.1.11",
-        "tough-cookie": "4.0.0",
-        "uglify-js": "3.16.3",
+        "semver": "7.3.8",
+        "tar": "6.1.12",
+        "tough-cookie": "4.1.2",
+        "uglify-js": "3.17.4",
         "uuid": "8.3.2",
         "ws": "7.5.6",
         "xml2js": "0.4.23"
     },
     "optionalDependencies": {
-        "bcrypt": "5.0.1"
+        "bcrypt": "5.1.0"
     },
     "devDependencies": {
-        "dompurify": "2.3.10",
+        "dompurify": "2.4.1",
         "grunt": "1.5.3",
         "grunt-chmod": "~1.1.1",
         "grunt-cli": "~1.4.3",
@@ -108,13 +108,14 @@
         "i18next-http-backend": "1.4.1",
         "jquery-i18next": "1.2.1",
         "jsdoc-nr-template": "github:node-red/jsdoc-nr-template",
-        "marked": "4.0.18",
+        "marked": "4.2.3",
+        "mermaid": "^9.3.0",
         "minami": "1.2.3",
         "mocha": "9.2.2",
         "node-red-node-test-helper": "^0.3.0",
-        "nodemon": "2.0.19",
+        "nodemon": "2.0.20",
         "proxy": "^1.0.2",
-        "sass": "1.54.2",
+        "sass": "1.56.1",
         "should": "13.2.3",
         "sinon": "11.1.2",
         "stoppable": "^1.1.0",

packages/node_modules/@node-red/editor-api/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@node-red/editor-api",
-    "version": "3.0.2",
+    "version": "3.1.0-beta.1",
     "license": "Apache-2.0",
     "main": "./lib/index.js",
     "repository": {
@@ -16,14 +16,14 @@
         }
     ],
     "dependencies": {
-        "@node-red/util": "3.0.2",
-        "@node-red/editor-client": "3.0.2",
+        "@node-red/util": "3.1.0-beta.1",
+        "@node-red/editor-client": "3.1.0-beta.1",
         "bcryptjs": "2.4.3",
-        "body-parser": "1.20.0",
+        "body-parser": "1.20.1",
         "clone": "2.1.2",
         "cors": "2.8.5",
         "express-session": "1.17.3",
-        "express": "4.18.1",
+        "express": "4.18.2",
         "memorystore": "1.6.7",
         "mime": "3.0.0",
         "multer": "1.4.5-lts.1",
@@ -35,6 +35,6 @@
         "ws": "7.5.6"
     },
     "optionalDependencies": {
-        "bcrypt": "5.0.1"
+        "bcrypt": "5.1.0"
     }
 }

packages/node_modules/@node-red/editor-client/locales/en-US/editor.json

@@ -53,22 +53,30 @@
         "confirmDelete": "Confirm delete",
         "delete": "Are you sure you want to delete '__label__'?",
         "dropFlowHere": "Drop the flow here",
+        "dropImageHere": "Drop the image here",
         "addFlow": "Add flow",
         "addFlowToRight": "Add flow to the right",
+        "closeFlow": "Close flow",
         "hideFlow": "Hide flow",
         "hideOtherFlows": "Hide other flows",
-        "showAllFlows": "Show all flows",
+        "showAllFlows": "Show all flows (__count__ hidden)",
         "hideAllFlows": "Hide all flows",
         "hiddenFlows": "List __count__ hidden flow",
         "hiddenFlows_plural": "List __count__ hidden flows",
-        "showLastHiddenFlow": "Show last hidden flow",
+        "showLastHiddenFlow": "Reopen hidden flow",
         "listFlows": "List flows",
         "listSubflows": "List subflows",
         "status": "Status",
         "enabled": "Enabled",
         "disabled": "Disabled",
         "info": "Description",
-        "selectNodes": "Click nodes to select"
+        "selectNodes": "Click nodes to select",
+        "enableFlow": "Enable flow",
+        "disableFlow": "Disable flow",
+        "lockFlow": "Lock flow",
+        "unlockFlow": "Unlock flow",
+        "moveToStart": "Move flow to start",
+        "moveToEnd": "Move flow to end"
     },
     "menu": {
         "label": {
@@ -101,6 +109,7 @@
             "displayStatus": "Show node status",
             "displayConfig": "Configuration nodes",
             "import": "Import",
+            "importExample": "Import Example Flow",
             "export": "Export",
             "search": "Search flows",
             "searchInput": "search your flows",
@@ -497,6 +506,7 @@
         "addRemoveNode": "Add/remove node from selection",
         "editSelected": "Edit selected node",
         "deleteSelected": "Delete selected nodes or link",
+        "deleteReconnect": "Delete and Reconnect",
         "importNode": "Import nodes",
         "exportNode": "Export nodes",
         "nudgeNode": "Move selected nodes (1px)",
@@ -683,7 +693,9 @@
             "empty": "empty",
             "globalConfig": "Global Configuration Nodes",
             "triggerAction": "Trigger action",
-            "find": "Find in workspace"
+            "find": "Find in workspace",
+            "copyItemUrl": "Copy item url",
+	    "copyURL2Clipboard": "Copied url to clipboard"
         },
         "help": {
             "name": "Help",
@@ -984,7 +996,10 @@
         "quote": "Quote",
         "link": "Link",
         "horizontal-rule": "Horizontal rule",
-        "toggle-preview": "Toggle preview"
+        "toggle-preview": "Toggle preview",
+        "mermaid": {
+            "summary": "Mermaid Diagram"
+        }
     },
     "bufferEditor": {
         "title": "Buffer editor",
@@ -1206,5 +1221,10 @@
         "node": "Node",
         "junction": "Junction",
         "linkNodes": "Link Nodes"
+    },
+    "env-var": {
+        "environment": "Environment",
+        "header": "Global Environment Variables",
+        "revert": "Revert"
     }
 }

packages/node_modules/@node-red/editor-client/locales/ja/editor.json

@@ -53,8 +53,10 @@
         "confirmDelete": "削除の確認",
         "delete": "本当に '__label__' を削除しますか？",
         "dropFlowHere": "ここにフローをドロップしてください",
+        "dropImageHere": "ここに画像ファイルをドロップしてください",
         "addFlow": "フローの追加",
         "addFlowToRight": "右側にフローを追加",
+        "closeFlow": "フローを閉じる",
         "hideFlow": "フローを非表示",
         "hideOtherFlows": "他のフローを非表示",
         "showAllFlows": "全てのフローを表示",
@@ -68,7 +70,11 @@
         "enabled": "有効",
         "disabled": "無効",
         "info": "詳細",
-        "selectNodes": "ノードをクリックして選択"
+        "selectNodes": "ノードをクリックして選択",
+        "enableFlow": "フローを有効化",
+        "disableFlow": "フローを無効化",
+        "moveToStart": "フローを先頭へ移動",
+        "moveToEnd": "フローを最後へ移動"
     },
     "menu": {
         "label": {
@@ -683,7 +689,9 @@
             "empty": "空",
             "globalConfig": "グローバル設定ノード",
             "triggerAction": "アクションを実行",
-            "find": "ワークスペース内を検索"
+            "find": "ワークスペース内を検索",
+            "copyItemUrl": "要素のURLをコピー",
+            "copyURL2Clipboard": "URLをクリップボードにコピーしました"
         },
         "help": {
             "name": "ヘルプ",
@@ -984,7 +992,10 @@
         "quote": "引用",
         "link": "リンク",
         "horizontal-rule": "区切り線",
-        "toggle-preview": "プレビュー表示切替え"
+        "toggle-preview": "プレビュー表示切替え",
+        "mermaid": {
+            "summary": "Mermaid図"
+        }
     },
     "bufferEditor": {
         "title": "バッファエディタ",
@@ -1350,6 +1361,15 @@
         "show-project-settings": "プロジェクト設定を表示",
         "show-version-control-tab": "バージョンコントロールタブを表示",
         "start-flows": "フローを開始",
-        "stop-flows": "フローを停止"
+        "stop-flows": "フローを停止",
+        "copy-item-url": "要素のURLをコピー",
+        "copy-item-edit-url": "要素の編集URLをコピー",
+        "move-flow-to-start": "フローを先頭に移動",
+        "move-flow-to-end": "フローを末尾に移動"
+    },
+    "env-var": {
+        "environment": "環境変数",
+        "header": "大域環境変数",
+        "revert": "破棄"
     }
 }

packages/node_modules/@node-red/editor-client/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@node-red/editor-client",
-    "version": "3.0.2",
+    "version": "3.1.0-beta.1",
     "license": "Apache-2.0",
     "repository": {
         "type": "git",

packages/node_modules/@node-red/editor-client/src/js/history.js

@@ -14,7 +14,7 @@
  * limitations under the License.
  **/
 
-/** 
+/**
  * An API for undo / redo history buffer
  * @namespace RED.history
 */
@@ -434,7 +434,9 @@ RED.history = (function() {
 
                 if (ev.node.type === 'tab' && ev.changes.hasOwnProperty('disabled')) {
                     $("#red-ui-tab-"+(ev.node.id.replace(".","-"))).toggleClass('red-ui-workspace-disabled',!!ev.node.disabled);
-                    $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!ev.node.disabled);
+                }
+                if (ev.node.type === 'tab' && ev.changes.hasOwnProperty('locked')) {
+                    $("#red-ui-tab-"+(ev.node.id.replace(".","-"))).toggleClass('red-ui-workspace-locked',!!ev.node.locked);
                 }
                 if (ev.subflow) {
                     inverseEv.subflow = {};

packages/node_modules/@node-red/editor-client/src/js/nodes.js

@@ -19,7 +19,6 @@
  * @namespace RED.nodes
 */
 RED.nodes = (function() {
-
     var PORT_TYPE_INPUT = 1;
     var PORT_TYPE_OUTPUT = 0;
 
@@ -63,6 +62,7 @@ RED.nodes = (function() {
             defaults: {
                 label: {value:""},
                 disabled: {value: false},
+                locked: {value: false},
                 info: {value: ""},
                 env: {value: []}
             }
@@ -575,15 +575,48 @@ RED.nodes = (function() {
         }
     }
 
+    const nodeProxyHandler = {
+        get(node, prop) {
+            if (prop === '__isProxy__') {
+                return true
+            } else if (prop == '__node__') {
+                return node
+            }
+            return node[prop]
+        },
+        set(node, prop, value) {
+            if (node.z && (RED.nodes.workspace(node.z)?.locked || RED.nodes.subflow(node.z)?.locked)) {
+                if (
+                    node._def.defaults[prop] ||
+                    prop === 'z' ||
+                    prop === 'l' ||
+                    prop === 'd' ||
+                    (prop === 'changed' && (!!node.changed) !== (!!value)) || // jshint ignore:line
+                    ((prop === 'x' || prop === 'y') && !node.resize && node.type !== 'group')
+                ) {
+                    throw new Error(`Cannot modified property '${prop}' of locked object '${node.type}:${node.id}'`)
+                }
+            }
+            node[prop] = value;
+            return true
+        }
+    }
 
     function addNode(n) {
+        let newNode
+        if (!n.__isProxy__) {
+            newNode = new Proxy(n, nodeProxyHandler)
+        } else {
+            newNode = n
+        }
+
         if (n.type.indexOf("subflow") !== 0) {
             n["_"] = n._def._;
         } else {
             var subflowId = n.type.substring(8);
             var sf = RED.nodes.subflow(subflowId);
             if (sf) {
-                sf.instances.push(sf);
+                sf.instances.push(newNode);
             }
             n["_"] = RED._;
         }
@@ -600,12 +633,13 @@ RED.nodes = (function() {
                 });
                 n.i = nextId+1;
             }
-            allNodes.addNode(n);
+            allNodes.addNode(newNode);
             if (!nodeLinks[n.id]) {
                 nodeLinks[n.id] = {in:[],out:[]};
             }
         }
-        RED.events.emit('nodes:add',n);
+        RED.events.emit('nodes:add',newNode);
+        return newNode
     }
     function addLink(l) {
         if (nodeLinks[l.source.id]) {
@@ -1046,6 +1080,9 @@ RED.nodes = (function() {
         node.type = n.type;
         for (var d in n._def.defaults) {
             if (n._def.defaults.hasOwnProperty(d)) {
+                if (d === 'locked' && !n.locked) {
+                    continue
+                }
                 node[d] = n[d];
             }
         }
@@ -1965,7 +2002,7 @@ RED.nodes = (function() {
                         }
                     }
                 } else {
-                    const keepNodesCurrentZ = reimport && n.z && RED.workspaces.contains(n.z)
+                    const keepNodesCurrentZ = reimport && n.z && (RED.workspaces.contains(n.z) || RED.nodes.subflow(n.z))
                     if (!keepNodesCurrentZ && n.z && !workspace_map[n.z] && !subflow_map[n.z]) {
                         n.z = activeWorkspace;
                     }
@@ -2067,7 +2104,7 @@ RED.nodes = (function() {
                         node.id = getID();
                     } else {
                         node.id = n.id;
-                        const keepNodesCurrentZ = reimport && node.z && RED.workspaces.contains(node.z)
+                        const keepNodesCurrentZ = reimport && node.z && (RED.workspaces.contains(node.z) || RED.nodes.subflow(node.z))
                         if (!keepNodesCurrentZ && (node.z == null || (!workspace_map[node.z] && !subflow_map[node.z]))) {
                             if (createMissingWorkspace) {
                                 if (missingWorkspace === null) {
@@ -2315,19 +2352,6 @@ RED.nodes = (function() {
             if (n.g && !new_group_set.has(n.g)) {
                 delete n.g;
             }
-            n.nodes = n.nodes.map(function(id) {
-                return node_map[id];
-            })
-            // Just in case the group references a node that doesn't exist for some reason
-            n.nodes = n.nodes.filter(function(v) {
-                if (v) {
-                    // Repair any nodes that have forgotten they are in this group
-                    if (v.g !== n.id) {
-                        v.g = n.id;
-                    }
-                }
-                return !!v
-            });
             if (!n.g) {
                 groupDepthMap[n.id] = 0;
             }
@@ -2350,21 +2374,22 @@ RED.nodes = (function() {
             return groupDepthMap[A.id] - groupDepthMap[B.id];
         });
         for (i=0;i<new_groups.length;i++) {
-            n = new_groups[i];
-            addGroup(n);
+            new_groups[i] = addGroup(new_groups[i]);
+            node_map[new_groups[i].id] = new_groups[i]
         }
 
         for (i=0;i<new_junctions.length;i++) {
-            var junction = new_junctions[i];
-            addJunction(junction);
+            new_junctions[i] = addJunction(new_junctions[i]);
+            node_map[new_junctions[i].id] = new_junctions[i]
         }
 
 
         // Now the nodes have been fully updated, add them.
         for (i=0;i<new_nodes.length;i++) {
-            var node = new_nodes[i];
-            addNode(node);
+            new_nodes[i] = addNode(new_nodes[i])
+            node_map[new_nodes[i].id] = new_nodes[i]
         }
+
         // Finally validate them all.
         // This has to be done after everything is added so that any checks for
         // dependent config nodes will pass
@@ -2372,6 +2397,39 @@ RED.nodes = (function() {
             var node = new_nodes[i];
             RED.editor.validateNode(node);
         }
+        const lookupNode = (id) => {
+            const mappedNode = node_map[id]
+            if (!mappedNode) {
+                return null
+            }
+            if (mappedNode.__isProxy__) {
+                return mappedNode
+            } else {
+                return node_map[mappedNode.id]
+            }
+        }
+        // Update groups to reference proxy node objects
+        for (i=0;i<new_groups.length;i++) {
+            n = new_groups[i];
+            // bypass the proxy in case the flow is locked
+            n.__node__.nodes = n.nodes.map(lookupNode)
+            // Just in case the group references a node that doesn't exist for some reason
+            n.__node__.nodes = n.nodes.filter(function(v) {
+                if (v) {
+                    // Repair any nodes that have forgotten they are in this group
+                    if (v.g !== n.id) {
+                        v.g = n.id;
+                    }
+                }
+                return !!v
+            });
+        }
+
+        // Update links to use proxy node objects
+        for (i=0;i<new_links.length;i++) {
+            new_links[i].source = lookupNode(new_links[i].source.id) || new_links[i].source
+            new_links[i].target = lookupNode(new_links[i].target.id) || new_links[i].target
+        }
 
         RED.workspaces.refresh();
 
@@ -2500,11 +2558,17 @@ RED.nodes = (function() {
         junctions = {};
         junctionsByZ = {};
 
+        var workspaceIds = Object.keys(workspaces);
+        // Ensure all workspaces are unlocked so we don't get any edit-protection
+        // preventing removal
+        workspaceIds.forEach(function(id) {
+            workspaces[id].locked = false
+        });
+
         var subflowIds = Object.keys(subflows);
         subflowIds.forEach(function(id) {
             RED.subflow.removeSubflow(id)
         });
-        var workspaceIds = Object.keys(workspaces);
         workspaceIds.forEach(function(id) {
             RED.workspaces.remove(workspaces[id]);
         });
@@ -2525,10 +2589,14 @@ RED.nodes = (function() {
     }
 
     function addGroup(group) {
+        if (!group.__isProxy__) {
+            group = new Proxy(group, nodeProxyHandler)
+        }
         groupsByZ[group.z] = groupsByZ[group.z] || [];
         groupsByZ[group.z].push(group);
         groups[group.id] = group;
         RED.events.emit("groups:add",group);
+        return group
     }
     function removeGroup(group) {
         var i = groupsByZ[group.z].indexOf(group);
@@ -2549,6 +2617,9 @@ RED.nodes = (function() {
     }
 
     function addJunction(junction) {
+        if (!junction.__isProxy__) {
+            junction = new Proxy(junction, nodeProxyHandler)
+        }
         junctionsByZ[junction.z] = junctionsByZ[junction.z] || []
         junctionsByZ[junction.z].push(junction)
         junctions[junction.id] = junction;
@@ -2556,6 +2627,7 @@ RED.nodes = (function() {
             nodeLinks[junction.id] = {in:[],out:[]};
         }
         RED.events.emit("junctions:add", junction)
+        return junction
     }
     function removeJunction(junction) {
         var i = junctionsByZ[junction.z].indexOf(junction)
@@ -2740,6 +2812,7 @@ RED.nodes = (function() {
                     }
                 });
 
+                const nodeGroupMap = {}
                 var replaceNodeIds = Object.keys(replaceNodes);
                 if (replaceNodeIds.length > 0) {
                     var reimportList = [];
@@ -2750,6 +2823,12 @@ RED.nodes = (function() {
                         } else {
                             allNodes.removeNode(n);
                         }
+                        if (n.g) {
+                            // reimporting a node *without* including its group object
+                            // will cause the g property to be cleared. Cache it
+                            // here so we can restore it
+                            nodeGroupMap[n.id] = n.g
+                        }
                         reimportList.push(convertNode(n));
                         RED.events.emit('nodes:remove',n);
                     });
@@ -2771,6 +2850,18 @@ RED.nodes = (function() {
                     var newNodeMap = {};
                     result.nodes.forEach(function(n) {
                         newNodeMap[n.id] = n;
+                        if (nodeGroupMap[n.id]) {
+                            // This node is in a group - need to substitute the
+                            // node reference inside the group
+                            n.g = nodeGroupMap[n.id]
+                            const group = RED.nodes.group(n.g)
+                            if (group) {
+                                var index = group.nodes.findIndex(gn => gn.id === n.id)
+                                if (index > -1) {
+                                    group.nodes[index] = n
+                                }
+                            }
+                        }
                     });
                     RED.nodes.eachLink(function(l) {
                         if (newNodeMap.hasOwnProperty(l.source.id)) {
@@ -2831,7 +2922,7 @@ RED.nodes = (function() {
         },
         addWorkspace: addWorkspace,
         removeWorkspace: removeWorkspace,
-        getWorkspaceOrder: function() { return workspacesOrder },
+        getWorkspaceOrder: function() { return [...workspacesOrder] },
         setWorkspaceOrder: function(order) { workspacesOrder = order; },
         workspace: getWorkspace,
 

packages/node_modules/@node-red/editor-client/src/js/red.js

@@ -249,8 +249,35 @@ var RED = (function() {
                         RED.nodes.import(nodes.flows);
                         RED.nodes.dirty(false);
                         RED.view.redraw(true);
-                        if (/^#flow\/.+$/.test(currentHash)) {
-                            RED.workspaces.show(currentHash.substring(6),true);
+                        if (/^#(flow|node|group)\/.+$/.test(currentHash)) {
+                            const hashParts = currentHash.split('/')
+                            const showEditDialog = hashParts.length > 2 && hashParts[2] === 'edit'
+                            if (hashParts[0] === '#flow') {
+                                RED.workspaces.show(hashParts[1], true);
+                                if (showEditDialog) {
+                                    RED.workspaces.edit()
+                                }
+                            } else if (hashParts[0] === '#node') {
+                                const nodeToShow = RED.nodes.node(hashParts[1])
+                                if (nodeToShow) {
+                                    setTimeout(() => {
+                                        RED.view.reveal(nodeToShow.id)
+                                        window.location.hash = currentHash
+                                        if (showEditDialog) {
+                                            RED.editor.edit(nodeToShow)
+                                        }
+                                    }, 50)
+                                }
+                            } else if (hashParts[0] === '#group') {
+                                const nodeToShow = RED.nodes.group(hashParts[1])
+                                if (nodeToShow) {
+                                    RED.view.reveal(nodeToShow.id)
+                                    window.location.hash = currentHash
+                                    if (showEditDialog) {
+                                        RED.editor.editGroup(nodeToShow)
+                                    }
+                                }
+                            }
                         }
                         if (RED.workspaces.count() > 0) {
                             const hiddenTabs = JSON.parse(RED.settings.getLocal("hiddenTabs")||"{}");
@@ -321,6 +348,8 @@ var RED = (function() {
                         loader.end()
                         RED.notify($("<p>").text(message));
                         RED.sidebar.info.refresh()
+                        RED.menu.setDisabled('menu-item-projects-open',false);
+                        RED.menu.setDisabled('menu-item-projects-settings',false);
                     });
                 });
                 return;
@@ -641,11 +670,6 @@ var RED = (function() {
         ]});
 
         menuOptions.push({id:"menu-item-arrange-menu", label:RED._("menu.label.arrange"), options: [
-            {id: "menu-item-view-tools-move-to-back", label:RED._("menu.label.moveToBack"), disabled: true, onselect: "core:move-selection-to-back"},
-            {id: "menu-item-view-tools-move-to-front", label:RED._("menu.label.moveToFront"), disabled: true, onselect: "core:move-selection-to-front"},
-            {id: "menu-item-view-tools-move-backwards", label:RED._("menu.label.moveBackwards"), disabled: true, onselect: "core:move-selection-backwards"},
-            {id: "menu-item-view-tools-move-forwards", label:RED._("menu.label.moveForwards"), disabled: true, onselect: "core:move-selection-forwards"},
-            null,
             {id: "menu-item-view-tools-align-left", label:RED._("menu.label.alignLeft"), disabled: true, onselect: "core:align-selection-to-left"},
             {id: "menu-item-view-tools-align-center", label:RED._("menu.label.alignCenter"), disabled: true, onselect: "core:align-selection-to-center"},
             {id: "menu-item-view-tools-align-right", label:RED._("menu.label.alignRight"), disabled: true, onselect: "core:align-selection-to-right"},
@@ -655,7 +679,12 @@ var RED = (function() {
             {id: "menu-item-view-tools-align-bottom", label:RED._("menu.label.alignBottom"), disabled: true, onselect: "core:align-selection-to-bottom"},
             null,
             {id: "menu-item-view-tools-distribute-horizontally", label:RED._("menu.label.distributeHorizontally"), disabled: true, onselect: "core:distribute-selection-horizontally"},
-            {id: "menu-item-view-tools-distribute-veritcally", label:RED._("menu.label.distributeVertically"), disabled: true, onselect: "core:distribute-selection-vertically"}
+            {id: "menu-item-view-tools-distribute-veritcally", label:RED._("menu.label.distributeVertically"), disabled: true, onselect: "core:distribute-selection-vertically"},
+            null,
+            {id: "menu-item-view-tools-move-to-back", label:RED._("menu.label.moveToBack"), disabled: true, onselect: "core:move-selection-to-back"},
+            {id: "menu-item-view-tools-move-to-front", label:RED._("menu.label.moveToFront"), disabled: true, onselect: "core:move-selection-to-front"},
+            {id: "menu-item-view-tools-move-backwards", label:RED._("menu.label.moveBackwards"), disabled: true, onselect: "core:move-selection-backwards"},
+            {id: "menu-item-view-tools-move-forwards", label:RED._("menu.label.moveForwards"), disabled: true, onselect: "core:move-selection-forwards"}
         ]});
 
         menuOptions.push(null);
@@ -748,6 +777,7 @@ var RED = (function() {
         RED.deploy.init(RED.settings.theme("deployButton",null));
 
         RED.keyboard.init(buildMainMenu);
+        RED.envVar.init();
 
         RED.nodes.init();
         RED.runtime.init()

packages/node_modules/@node-red/editor-client/src/js/ui/clipboard.js

@@ -423,11 +423,10 @@ RED.clipboard = (function() {
         }
     }
 
-    function showImportNodes(mode) {
+    function showImportNodes(library = 'clipboard') {
         if (disabled) {
             return;
         }
-        mode = mode || "clipboard";
 
         dialogContainer.empty();
         dialogContainer.append($(importNodesDialog));
@@ -504,7 +503,7 @@ RED.clipboard = (function() {
         $("#red-ui-clipboard-dialog-import-text").on("keyup", validateImport);
         $("#red-ui-clipboard-dialog-import-text").on('paste',function() { setTimeout(validateImport,10)});
 
-        if (RED.workspaces.active() === 0) {
+        if (RED.workspaces.active() === 0 || RED.workspaces.isActiveLocked()) {
             $("#red-ui-clipboard-dialog-import-opt-current").addClass('disabled').removeClass("selected");
             $("#red-ui-clipboard-dialog-import-opt-new").addClass("selected");
         } else {
@@ -533,8 +532,8 @@ RED.clipboard = (function() {
             $("#red-ui-clipboard-dialog-import-file-upload").trigger("click");
         })
 
-        tabs.activateTab("red-ui-clipboard-dialog-import-tab-"+mode);
-        if (mode === 'clipboard') {
+        tabs.activateTab("red-ui-clipboard-dialog-import-tab-"+library);
+        if (library === 'clipboard') {
             setTimeout(function() {
                 $("#red-ui-clipboard-dialog-import-text").trigger("focus");
             },100)
@@ -558,13 +557,16 @@ RED.clipboard = (function() {
         });
     }
 
-    function showExportNodes(mode) {
+    /**
+     * Show the export dialog
+     * @params library which export destination to show
+     * @params mode whether to default to 'auto' (default) or 'flow'
+     **/
+    function showExportNodes(library = 'clipboard', mode = 'auto' ) {
         if (disabled) {
             return;
         }
 
-        mode = mode || "clipboard";
-
         dialogContainer.empty();
         dialogContainer.append($(exportNodesDialog));
 
@@ -654,7 +656,12 @@ RED.clipboard = (function() {
         $("#red-ui-clipboard-dialog-tab-library-name").val("flows.json").select();
 
         dialogContainer.i18n();
+        
         var format = RED.settings.flowFilePretty ? "red-ui-clipboard-dialog-export-fmt-full" : "red-ui-clipboard-dialog-export-fmt-mini";
+        const userFormat = RED.settings.get("editor.dialog.export.pretty")
+        if (userFormat === false || userFormat === true) {
+            format = userFormat ? "red-ui-clipboard-dialog-export-fmt-full" : "red-ui-clipboard-dialog-export-fmt-mini";
+        }
 
         $("#red-ui-clipboard-dialog-export-fmt-group > a").on("click", function(evt) {
             evt.preventDefault();
@@ -670,7 +677,8 @@ RED.clipboard = (function() {
                 var nodes = JSON.parse(flow);
 
                 format = $(this).attr('id');
-                if (format === 'red-ui-clipboard-dialog-export-fmt-full') {
+                const pretty = format === "red-ui-clipboard-dialog-export-fmt-full";
+                if (pretty) {
                     flow = JSON.stringify(nodes,null,4);
                 } else {
                     flow = JSON.stringify(nodes);
@@ -679,6 +687,7 @@ RED.clipboard = (function() {
                 setTimeout(function() { $("#red-ui-clipboard-dialog-export-text").scrollTop(0); },50);
 
                 $("#red-ui-clipboard-dialog-export-text").trigger("focus");
+                RED.settings.set("editor.dialog.export.pretty", pretty)
             }
         });
 
@@ -766,12 +775,15 @@ RED.clipboard = (function() {
                 }
             }
         }
+        if (mode === 'flow' && !$("#red-ui-clipboard-dialog-export-rng-flow").hasClass('disabled')) {
+            $("#red-ui-clipboard-dialog-export-rng-flow").trigger("click");
+        }
         if (format === "red-ui-clipboard-dialog-export-fmt-full") {
             $("#red-ui-clipboard-dialog-export-fmt-full").trigger("click");
         } else {
             $("#red-ui-clipboard-dialog-export-fmt-mini").trigger("click");
         }
-        tabs.activateTab("red-ui-clipboard-dialog-export-tab-"+mode);
+        tabs.activateTab("red-ui-clipboard-dialog-export-tab-"+library);
 
         var dialogHeight = 400;
         var winHeight = $(window).height();
@@ -1266,15 +1278,17 @@ RED.clipboard = (function() {
             RED.keyboard.add("#red-ui-drop-target", "escape" ,hideDropTarget);
 
             $('#red-ui-workspace-chart').on("dragenter",function(event) {
-                if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1 ||
-                     $.inArray("Files",event.originalEvent.dataTransfer.types) != -1) {
+                if (!RED.workspaces.isActiveLocked() && (
+                    $.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1 ||
+                     $.inArray("Files",event.originalEvent.dataTransfer.types) != -1)) {
                     $("#red-ui-drop-target").css({display:'table'}).focus();
                 }
             });
 
             $('#red-ui-drop-target').on("dragover",function(event) {
                 if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1 ||
-                     $.inArray("Files",event.originalEvent.dataTransfer.types) != -1) {
+                     $.inArray("Files",event.originalEvent.dataTransfer.types) != -1 ||
+                        RED.workspaces.isActiveLocked()) {
                     event.preventDefault();
                 }
             })
@@ -1282,27 +1296,29 @@ RED.clipboard = (function() {
                 hideDropTarget();
             })
             .on("drop",function(event) {
-                try {
-                    if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
-                        var data = event.originalEvent.dataTransfer.getData("text/plain");
-                        data = data.substring(data.indexOf('['),data.lastIndexOf(']')+1);
-                        importNodes(data);
-                    } else if ($.inArray("Files",event.originalEvent.dataTransfer.types) != -1) {
-                        var files = event.originalEvent.dataTransfer.files;
-                        if (files.length === 1) {
-                            var file = files[0];
-                            var reader = new FileReader();
-                            reader.onload = (function(theFile) {
-                                return function(e) {
-                                    importNodes(e.target.result);
-                                };
-                            })(file);
-                            reader.readAsText(file);
+                if (!RED.workspaces.isActiveLocked()) {
+                    try {
+                        if ($.inArray("text/plain",event.originalEvent.dataTransfer.types) != -1) {
+                            var data = event.originalEvent.dataTransfer.getData("text/plain");
+                            data = data.substring(data.indexOf('['),data.lastIndexOf(']')+1);
+                            importNodes(data);
+                        } else if ($.inArray("Files",event.originalEvent.dataTransfer.types) != -1) {
+                            var files = event.originalEvent.dataTransfer.files;
+                            if (files.length === 1) {
+                                var file = files[0];
+                                var reader = new FileReader();
+                                reader.onload = (function(theFile) {
+                                    return function(e) {
+                                        importNodes(e.target.result);
+                                    };
+                                })(file);
+                                reader.readAsText(file);
+                            }
                         }
+                    } catch(err) {
+                        // Ensure any errors throw above doesn't stop the drop target from
+                        // being hidden.
                     }
-                } catch(err) {
-                    // Ensure any errors throw above doesn't stop the drop target from
-                    // being hidden.
                 }
                 hideDropTarget();
                 event.preventDefault();

packages/node_modules/@node-red/editor-client/src/js/ui/common/menu.js

@@ -94,8 +94,8 @@ RED.menu = (function() {
 
             var link = $(linkContent).appendTo(item);
             opt.link = link;
-            if (typeof opt.onselect === 'string') {
-                var shortcut = RED.keyboard.getShortcut(opt.onselect);
+            if (typeof opt.onselect === 'string' || opt.shortcut) {
+                var shortcut = opt.shortcut || RED.keyboard.getShortcut(opt.onselect);
                 if (shortcut && shortcut.key) {
                     opt.shortcutSpan = $('<span class="red-ui-popover-key">'+RED.keyboard.formatKey(shortcut.key, true)+'</span>').appendTo(link.find(".red-ui-menu-label"));
                 }

packages/node_modules/@node-red/editor-client/src/js/ui/common/tabs.js

@@ -141,7 +141,29 @@ RED.tabs = (function() {
             })
         }
 
-
+        if (options.contextmenu) {
+            wrapper.on('contextmenu', function(evt) {
+                let clickedTab
+                let target = evt.target
+                while(target.nodeName !== 'A' && target.nodeName !== 'UL' && target.nodeName !== 'BODY') {
+                    target = target.parentNode
+                }
+                if (target.nodeName === 'A') {
+                    const href = target.getAttribute('href')
+                    if (href) {
+                        clickedTab = tabs[href.slice(1)]
+                    }
+                }
+                evt.preventDefault()
+                evt.stopPropagation()
+                RED.contextMenu.show({
+                    x:evt.clientX-5,
+                    y:evt.clientY-5,
+                    options: options.contextmenu(clickedTab)
+                })
+                return false
+            })
+        }
 
         var scrollLeft;
         var scrollRight;
@@ -807,19 +829,19 @@ RED.tabs = (function() {
                         event.preventDefault();
                         removeTab(tab.id);
                     });
-                    RED.popover.tooltip(closeLink,RED._("workspace.hideFlow"));
-                }
-                if (tab.hideable) {
-                    li.addClass("red-ui-tabs-closeable")
-                    var closeLink = $("<a/>",{href:"#",class:"red-ui-tab-close red-ui-tab-hide"}).appendTo(li);
-                    closeLink.append('<i class="fa fa-eye" />');
-                    closeLink.append('<i class="fa fa-eye-slash" />');
-                    closeLink.on("click",function(event) {
-                        event.preventDefault();
-                        hideTab(tab.id);
-                    });
-                    RED.popover.tooltip(closeLink,RED._("workspace.hideFlow"));
+                    RED.popover.tooltip(closeLink,RED._("workspace.closeFlow"));
                 }
+                // if (tab.hideable) {
+                //     li.addClass("red-ui-tabs-closeable")
+                //     var closeLink = $("<a/>",{href:"#",class:"red-ui-tab-close red-ui-tab-hide"}).appendTo(li);
+                //     closeLink.append('<i class="fa fa-eye" />');
+                //     closeLink.append('<i class="fa fa-eye-slash" />');
+                //     closeLink.on("click",function(event) {
+                //         event.preventDefault();
+                //         hideTab(tab.id);
+                //     });
+                //     RED.popover.tooltip(closeLink,RED._("workspace.hideFlow"));
+                // }
 
                 var badges = $('<span class="red-ui-tabs-badges"></span>').appendTo(li);
                 if (options.onselect) {
@@ -938,6 +960,9 @@ RED.tabs = (function() {
             activeIndex: function() {
                 return ul.find("li.active").index()
             },
+            getTabIndex: function (id) {
+                return ul.find("a[href='#"+id+"']").parent().index()
+            },
             contains: function(id) {
                 return ul.find("a[href='#"+id+"']").length > 0;
             },

packages/node_modules/@node-red/editor-client/src/js/ui/common/typedInput.js

@@ -146,7 +146,7 @@
         { value: "reset", source: ["delay","trigger","join","rbe"] },
         { value: "responseCookies", source: ["http request"] },
         { value: "responseTopic", source: ["mqtt"] },
-        { value: "responseURL", source: ["http request"] },
+        { value: "responseUrl", source: ["http request"] },
         { value: "restartTimeout", source: ["join"] },
         { value: "retain", source: ["mqtt"] },
         { value: "schema", source: ["json"] },

packages/node_modules/@node-red/editor-client/src/js/ui/contextMenu.js

@@ -1,21 +1,6 @@
 RED.contextMenu = (function () {
 
     let menu;
-    function createMenu() {
-        // menu = RED.popover.menu({
-        //     options: [
-        //         {
-        //             label: 'delete selection',
-        //             onselect: function() {
-        //                 RED.actions.invoke('core:delete-selection')
-        //                 RED.view.focus()
-        //             }
-        //         },
-        //         { label: 'world' }
-        //     ],
-        //     width: 200,
-        // })
-    }
 
     function disposeMenu() {
         $(document).off("mousedown.red-ui-workspace-context-menu");
@@ -28,114 +13,164 @@ RED.contextMenu = (function () {
         if (menu) {
             menu.remove()
         }
+        let menuItems = []
+        if (options.options) {
+            menuItems = options.options
+        } else if (options.type === 'workspace') {
+            const selection = RED.view.selection()
+            const noSelection = !selection || Object.keys(selection).length === 0
+            const hasSelection = (selection.nodes && selection.nodes.length > 0);
+            const hasMultipleSelection = hasSelection && selection.nodes.length > 1;
+            const virtulLinks = (selection.links && selection.links.filter(e => !!e.link)) || [];
+            const wireLinks = (selection.links && selection.links.filter(e => !e.link)) || [];
+            const hasLinks = wireLinks.length > 0;
+            const isSingleLink = !hasSelection && hasLinks && wireLinks.length === 1
+            const isMultipleLinks = !hasSelection && hasLinks && wireLinks.length > 1
+            const canDelete = hasSelection || hasLinks
+            const isGroup = hasSelection && selection.nodes.length === 1 && selection.nodes[0].type === 'group'
+            const canEdit = !RED.workspaces.isActiveLocked()
+            const canRemoveFromGroup = hasSelection && !!selection.nodes[0].g
+            const isAllGroups = hasSelection && selection.nodes.filter(n => n.type !== 'group').length === 0
+            const hasGroup = hasSelection && selection.nodes.filter(n => n.type === 'group' ).length > 0
+            const offset = $("#red-ui-workspace-chart").offset()
 
-        const selection = RED.view.selection()
-        const noSelection = !selection || Object.keys(selection).length === 0
-        const hasSelection = (selection.nodes && selection.nodes.length > 0);
-        const hasMultipleSelection = hasSelection && selection.nodes.length > 1;
-        const virtulLinks = (selection.links && selection.links.filter(e => !!e.link)) || [];
-        const wireLinks = (selection.links && selection.links.filter(e => !e.link)) || [];
-        const hasLinks = wireLinks.length > 0;
-        const isSingleLink = !hasSelection && hasLinks && wireLinks.length === 1
-        const isMultipleLinks = !hasSelection && hasLinks && wireLinks.length > 1
-        const canDelete = hasSelection || hasLinks
-        const isGroup = hasSelection && selection.nodes.length === 1 && selection.nodes[0].type === 'group'
-
-        const canRemoveFromGroup = hasSelection && !!selection.nodes[0].g
-        const offset = $("#red-ui-workspace-chart").offset()
-
-        // addX/addY must be the position in the workspace accounting for both scroll and scale
-        // The +5 is because we display the contextMenu -5,-5 to actual click position
-        let addX = (options.x + 5 - offset.left + $("#red-ui-workspace-chart").scrollLeft()) / RED.view.scale()
-        let addY = (options.y + 5 - offset.top + $("#red-ui-workspace-chart").scrollTop()) / RED.view.scale()
-
-        const menuItems = [
-            { onselect: 'core:show-action-list', onpostselect: function () { } },
-            {
-                label: RED._("contextMenu.insert"),
-                options: [
-                    {
-                        label: RED._("contextMenu.node"),
-                        onselect: function () {
-                            RED.view.showQuickAddDialog({
-                                position: [addX, addY],
-                                touchTrigger: true,
-                                splice: isSingleLink ? selection.links[0] : undefined,
-                                // spliceMultiple: isMultipleLinks
-                            })
-                        },
-                        onpostselect: function() {
-                            // ensure quick add dialog search input has focus
-                            $('#red-ui-type-search-input').trigger('focus')
-                        }
-                    },
-                    (hasLinks) ? { // has least 1 wire selected
-                        label: RED._("contextMenu.junction"),
-                        onselect: 'core:split-wires-with-junctions',
-                        disabled: !hasLinks
-                    } : {
-                        label: RED._("contextMenu.junction"),
-                        onselect: function () {
-                            const nn = {
-                                _def: { defaults: {} },
-                                type: 'junction',
-                                z: RED.workspaces.active(),
-                                id: RED.nodes.id(),
-                                x: addX,
-                                y: addY,
-                                w: 0, h: 0,
-                                outputs: 1,
-                                inputs: 1,
-                                dirty: true
-                            }
-                            const historyEvent = {
-                                dirty: RED.nodes.dirty(),
-                                t: 'add',
-                                junctions: [nn]
-                            }
-                            RED.nodes.addJunction(nn);
-                            RED.history.push(historyEvent);
-                            RED.nodes.dirty(true);
-                            RED.view.select({nodes: [nn] });
-                            RED.view.redraw(true)
-                        }
-                    },
-                    {
-                        label: RED._("contextMenu.linkNodes"),
-                        onselect: 'core:split-wire-with-link-nodes',
-                        disabled: !hasLinks
-                    }
-                ]
-
-
+            let addX = options.x - offset.left + $("#red-ui-workspace-chart").scrollLeft()
+            let addY = options.y - offset.top + $("#red-ui-workspace-chart").scrollTop()
 
+            if (RED.view.snapGrid) {
+                const gridSize = RED.view.gridSize()
+                addX = gridSize * Math.floor(addX / gridSize)
+                addY = gridSize * Math.floor(addY / gridSize)
+            }
+
+            menuItems.push(
+                { onselect: 'core:show-action-list', onpostselect: function () { } }
+            )
+
+            const insertOptions = []
+            menuItems.push({ label: RED._("contextMenu.insert"), options: insertOptions })
+            insertOptions.push(
+                {
+                    label: RED._("contextMenu.node"),
+                    onselect: function () {
+                        RED.view.showQuickAddDialog({
+                            position: [addX, addY],
+                            touchTrigger: true,
+                            splice: isSingleLink ? selection.links[0] : undefined,
+                            // spliceMultiple: isMultipleLinks
+                        })
+                    },
+                    disabled: !canEdit
+                },
+                (hasLinks) ? { // has least 1 wire selected
+                    label: RED._("contextMenu.junction"),
+                    onselect: 'core:split-wires-with-junctions',
+                    disabled: !canEdit || !hasLinks
+                } : {
+                    label: RED._("contextMenu.junction"),
+                    onselect: function () {
+                        const nn = {
+                            _def: { defaults: {} },
+                            type: 'junction',
+                            z: RED.workspaces.active(),
+                            id: RED.nodes.id(),
+                            x: addX,
+                            y: addY,
+                            w: 0, h: 0,
+                            outputs: 1,
+                            inputs: 1,
+                            dirty: true
+                        }
+                        const historyEvent = {
+                            dirty: RED.nodes.dirty(),
+                            t: 'add',
+                            junctions: [nn]
+                        }
+                        RED.nodes.addJunction(nn);
+                        RED.history.push(historyEvent);
+                        RED.nodes.dirty(true);
+                        RED.view.select({nodes: [nn] });
+                        RED.view.redraw(true)
+                    },
+                    disabled: !canEdit
+                },
+                {
+                    label: RED._("contextMenu.linkNodes"),
+                    onselect: 'core:split-wire-with-link-nodes',
+                    disabled: !canEdit || !hasLinks
+                },
+                null,
+                { onselect: 'core:show-import-dialog', label: RED._('common.label.import')},
+                { onselect: 'core:show-examples-import-dialog', label: RED._('menu.label.importExample') }
+            )
+            if (hasSelection && canEdit) {
+                const nodeOptions = []
+                if (!hasMultipleSelection && !isGroup) {
+                    nodeOptions.push(
+                        { onselect: 'core:show-node-help' },
+                        null
+                    )
+                }
+                nodeOptions.push(
+                    { onselect: 'core:enable-selected-nodes' },
+                    { onselect: 'core:disable-selected-nodes' },
+                    null,
+                    { onselect: 'core:show-selected-node-labels' },
+                    { onselect: 'core:hide-selected-node-labels' }
+                )
+                menuItems.push({
+                    label: RED._('sidebar.info.node'),
+                    options: nodeOptions
+                })
+                menuItems.push({
+                    label: RED._('sidebar.info.group'),
+                    options: [
+                        { onselect: 'core:group-selection' },
+                        { onselect: 'core:ungroup-selection', disabled: !hasGroup },
+                        null,
+                        { onselect: 'core:copy-group-style', disabled: !hasGroup },
+                        { onselect: 'core:paste-group-style', disabled: !hasGroup}
+                    ]
+                })
+                if (canRemoveFromGroup) {
+                    menuItems[menuItems.length - 1].options.push(
+                        null,
+                        { onselect: 'core:remove-selection-from-group', label: RED._("menu.label.groupRemoveSelection") }
+                    )
+                }
+            }
+            if (canEdit && hasMultipleSelection) {
+                menuItems.push({
+                    label: RED._('menu.label.arrange'),
+                    options: [
+                        { label:RED._("menu.label.alignLeft"), onselect: "core:align-selection-to-left"},
+                        { label:RED._("menu.label.alignCenter"), onselect: "core:align-selection-to-center"},
+                        { label:RED._("menu.label.alignRight"), onselect: "core:align-selection-to-right"},
+                        null,
+                        { label:RED._("menu.label.alignTop"), onselect: "core:align-selection-to-top"},
+                        { label:RED._("menu.label.alignMiddle"), onselect: "core:align-selection-to-middle"},
+                        { label:RED._("menu.label.alignBottom"), onselect: "core:align-selection-to-bottom"},
+                        null,
+                        { label:RED._("menu.label.distributeHorizontally"), onselect: "core:distribute-selection-horizontally"},
+                        { label:RED._("menu.label.distributeVertically"), onselect: "core:distribute-selection-vertically"}
+                    ]
+                })
             }
-        ]
 
-        menuItems.push(
-            null,
-            { onselect: 'core:undo', disabled: RED.history.list().length === 0 },
-            { onselect: 'core:redo', disabled: RED.history.listRedo().length === 0 },
-            null,
-            { onselect: 'core:cut-selection-to-internal-clipboard', label: RED._("keyboard.cutNode"), disabled: !hasSelection },
-            { onselect: 'core:copy-selection-to-internal-clipboard', label: RED._("keyboard.copyNode"), disabled: !hasSelection },
-            { onselect: 'core:paste-from-internal-clipboard', label: RED._("keyboard.pasteNode"), disabled: !RED.view.clipboard() },
-            { onselect: 'core:delete-selection', disabled: !canDelete },
-            { onselect: 'core:show-export-dialog', label: RED._("menu.label.export") },
-            { onselect: 'core:select-all-nodes' }
-        )
 
-        if (hasSelection) {
             menuItems.push(
                 null,
-                isGroup ?
-                    { onselect: 'core:ungroup-selection', disabled: !isGroup }
-                    : { onselect: 'core:group-selection', disabled: !hasSelection }
+                { onselect: 'core:undo', disabled: RED.history.list().length === 0 },
+                { onselect: 'core:redo', disabled: RED.history.listRedo().length === 0 },
+                null,
+                { onselect: 'core:cut-selection-to-internal-clipboard', label: RED._("keyboard.cutNode"), disabled: !canEdit || !hasSelection },
+                { onselect: 'core:copy-selection-to-internal-clipboard', label: RED._("keyboard.copyNode"), disabled: !hasSelection },
+                { onselect: 'core:paste-from-internal-clipboard', label: RED._("keyboard.pasteNode"), disabled: !canEdit || !RED.view.clipboard() },
+                { onselect: 'core:delete-selection', disabled: !canEdit || !canDelete },
+                { onselect: 'core:delete-selection-and-reconnect', label: RED._('keyboard.deleteReconnect'), disabled: !canEdit || !canDelete },
+                { onselect: 'core:show-export-dialog', label: RED._("menu.label.export") },
+                { onselect: 'core:select-all-nodes' },
             )
-            if (canRemoveFromGroup) {
-                menuItems.push({ onselect: 'core:remove-selection-from-group', label: RED._("menu.label.groupRemoveSelection") })
-            }
-
         }
 
         var direction = "right";

packages/node_modules/@node-red/editor-client/src/js/ui/deploy.js

@@ -558,6 +558,11 @@ RED.deploy = (function() {
                 RED.notify('<p>' + RED._("deploy.successfulDeploy") + '</p>', "success");
             }
             RED.nodes.eachNode(function (node) {
+                const flow = node.z && (RED.nodes.workspace(node.z) || RED.nodes.subflow(node.z) || null);
+                const isLocked = flow ? flow.locked : false;
+                if (flow && isLocked) {
+                    flow.locked = false;
+                }
                 if (node.changed) {
                     node.dirty = true;
                     node.changed = false;
@@ -569,6 +574,9 @@ RED.deploy = (function() {
                 if (node.credentials) {
                     delete node.credentials;
                 }
+                if (flow && isLocked) {
+                    flow.locked = isLocked;
+                }
             });
             RED.nodes.eachConfig(function (confNode) {
                 confNode.changed = false;

packages/node_modules/@node-red/editor-client/src/js/ui/editor.js

@@ -238,6 +238,7 @@ RED.editor = (function() {
             var valid = validateNodeProperty(node, defaults, property,value);
             if (((typeof valid) === "string") || !valid) {
                 input.addClass("input-error");
+                input.next(".red-ui-typedInput-container").addClass("input-error");
                 if ((typeof valid) === "string") {
                     var tooltip = input.data("tooltip");
                     if (tooltip) {
@@ -250,6 +251,7 @@ RED.editor = (function() {
                 }
             } else {
                 input.removeClass("input-error");
+                input.next(".red-ui-typedInput-container").removeClass("input-error");
                 var tooltip = input.data("tooltip");
                 if (tooltip) {
                     input.data("tooltip", null);
@@ -1851,11 +1853,15 @@ RED.editor = (function() {
                             workspace.disabled = disabled;
 
                             $("#red-ui-tab-"+(workspace.id.replace(".","-"))).toggleClass('red-ui-workspace-disabled',!!workspace.disabled);
-                            if (workspace.id === RED.workspaces.active()) {
-                                $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!workspace.disabled);
-                            }
                         }
 
+                        var locked = $("#node-input-locked").prop("checked");
+                        if (workspace.locked !== locked) {
+                            editState.changes.locked = workspace.locked;
+                            editState.changed = true;
+                            workspace.locked = locked;
+                            $("#red-ui-tab-"+(workspace.id.replace(".","-"))).toggleClass('red-ui-workspace-locked',!!workspace.locked);
+                        }
                         if (editState.changed) {
                             var historyEvent = {
                                 t: "edit",
@@ -1896,6 +1902,7 @@ RED.editor = (function() {
                 var trayBody = tray.find('.red-ui-tray-body');
                 trayBody.parent().css('overflow','hidden');
                 var trayFooterLeft = $('<div class="red-ui-tray-footer-left"></div>').appendTo(trayFooter)
+                var trayFooterRight = $('<div class="red-ui-tray-footer-right"></div>').appendTo(trayFooter)
 
                 var nodeEditPanes = [
                     'editor-tab-flow-properties',
@@ -1910,6 +1917,18 @@ RED.editor = (function() {
                     disabledIcon: "fa-ban",
                     invertState: true
                 })
+
+                if (!workspace.hasOwnProperty("locked")) {
+                    workspace.locked = false;
+                }
+                $('<input id="node-input-locked" type="checkbox">').prop("checked",workspace.locked).appendTo(trayFooterRight).toggleButton({
+                    enabledLabel: 'Unlocked',
+                    enabledIcon: "fa-unlock-alt",
+                    disabledLabel: 'Locked',
+                    disabledIcon: "fa-lock",
+                    invertState: true
+                })
+
                 prepareEditDialog(trayBody, nodeEditPanes, workspace, {}, "node-input", defaultTab, function(_activeEditPanes) {
                     activeEditPanes = _activeEditPanes;
                     trayBody.i18n();

packages/node_modules/@node-red/editor-client/src/js/ui/editors/code-editor.js

@@ -45,6 +45,9 @@
             selectedCodeEditor = RED.editor.codeEditor[defaultEditor];
             initialised = selectedCodeEditor.init();
         }
+
+        $('<div id="red-ui-image-drop-target"><div data-i18n="[append]workspace.dropImageHere"><i class="fa fa-download"></i><br></div></div>').appendTo('#red-ui-editor');
+        $("#red-ui-image-drop-target").hide();
     }
 
     function create(options) {
@@ -64,6 +67,7 @@
             options = {};
         }
 
+        var editor = null;
         if (this.editor.type === MONACO) {
             // compatibility (see above note)
             if (!options.element && !options.id) {
@@ -74,10 +78,14 @@
                 console.warn("createEditor() options.element or options.id is not valid", options);
                 $("#dialog-form").append('<div id="' + options.id + '" style="display: none;" />');
             }
-            return this.editor.create(options);
+            editor = this.editor.create(options);
         } else {
-            return this.editor.create(options);//fallback to ACE
+            editor = this.editor.create(options);//fallback to ACE
         }
+        if (options.mode === "ace/mode/markdown") {
+            RED.editor.customEditTypes['_markdown'].postInit(editor, options);
+        }
+        return editor;
     }
 
     return {

packages/node_modules/@node-red/editor-client/src/js/ui/editors/envVarList.js

@@ -2,7 +2,7 @@ RED.editor.envVarList = (function() {
 
     var currentLocale = 'en-US';
     var DEFAULT_ENV_TYPE_LIST = ['str','num','bool','json','bin','env'];
-    var DEFAULT_ENV_TYPE_LIST_INC_CRED = ['str','num','bool','json','bin','env','cred'];
+    var DEFAULT_ENV_TYPE_LIST_INC_CRED = ['str','num','bool','json','bin','env','cred','jsonata'];
 
     /**
      * Create env var edit interface

packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js

@@ -14,6 +14,61 @@
  * limitations under the License.
  **/
 (function() {
+    /**
+     * Converts dropped image file to date URL
+     */
+    function file2base64Image(file, cb) {
+        var reader = new FileReader();
+        reader.onload = (function (fd) {
+            return function (e) {
+                cb(e.target.result);
+            };
+        })(file);
+        reader.readAsDataURL(file);
+    }
+
+    var initialized = false;
+    var currentEditor = null;
+    /**
+     * Initialize handler for image file drag events
+     */
+    function initImageDrag(elem, editor) {
+        $(elem).on("dragenter", function (ev) {
+            ev.preventDefault();
+            $("#red-ui-image-drop-target").css({display:'table'}).focus();
+            currentEditor = editor;
+        });
+
+        if (!initialized) {
+            initialized = true;
+            $("#red-ui-image-drop-target").on("dragover", function (ev) {
+                ev.preventDefault();
+            }).on("dragleave", function (ev) {
+                $("#red-ui-image-drop-target").hide();
+            }).on("drop", function (ev) {
+                ev.preventDefault();
+                if ($.inArray("Files",ev.originalEvent.dataTransfer.types) != -1) {
+                    var files = ev.originalEvent.dataTransfer.files;
+                    if (files.length === 1) {
+                        var file = files[0];
+                        var name = file.name.toLowerCase();
+
+                        if (name.match(/\.(apng|avif|gif|jpeg|png|svg|webp)$/)) {
+                            file2base64Image(file, function (image) {
+                                var session = currentEditor.getSession();
+                                var img = `<img src="${image}"/>\n`;
+                                var pos = session.getCursorPosition();
+                                session.insert(pos, img);
+                                $("#red-ui-image-drop-target").hide();
+                            });
+                            return;
+                        }
+                    }
+                }
+                $("#red-ui-image-drop-target").hide();
+            });
+        }
+    }
 
     var toolbarTemplate = '<div style="margin-bottom: 5px">'+
         '<span class="button-group">'+
@@ -114,6 +169,7 @@
                             var currentScrollTop = $(".red-ui-editor-type-markdown-panel-preview").scrollTop();
                             $(".red-ui-editor-type-markdown-panel-preview").html(RED.utils.renderMarkdown(expressionEditor.getValue()));
                             $(".red-ui-editor-type-markdown-panel-preview").scrollTop(currentScrollTop);
+                            mermaid.init();
                         },200);
                     })
                     if (options.header) {
@@ -122,6 +178,7 @@
 
                     if (value) {
                         $(".red-ui-editor-type-markdown-panel-preview").html(RED.utils.renderMarkdown(expressionEditor.getValue()));
+                        mermaid.init();
                     }
                     panels = RED.panels.create({
                         id:"red-ui-editor-type-markdown-panels",
@@ -148,10 +205,14 @@
                     });
                     RED.popover.tooltip($("#node-btn-markdown-preview"), RED._("markdownEditor.toggle-preview"));
 
-                    if (options.cursor && !expressionEditor._initState) {
-                        expressionEditor.gotoLine(options.cursor.row+1,options.cursor.column,false);
-                    }
-
+                    if(!expressionEditor._initState) {
+                        if (options.cursor) {
+                            expressionEditor.gotoLine(options.cursor.row+1,options.cursor.column,false);
+                        }
+                        else {
+                            expressionEditor.gotoLine(0, 0, false);
+                        }
+                    }                        
                     dialogForm.i18n();
                 },
                 close: function() {
@@ -215,7 +276,11 @@
                 }
             })
             return toolbar;
-        }
+        },
+        postInit: function (editor, options) {
+            var elem = $("#"+options.id);
+            initImageDrag(elem, editor);
+         }
     }
     RED.editor.registerTypeEditor("_markdown", definition);
 })();

packages/node_modules/@node-red/editor-client/src/js/ui/editors/panes/flowProperties.js

@@ -52,8 +52,6 @@
                     node.info = info;
                 }
                 $("#red-ui-tab-"+(node.id.replace(".","-"))).toggleClass('red-ui-workspace-disabled',!!node.disabled);
-                $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!node.disabled);
-
             }
         }
     });

packages/node_modules/@node-red/editor-client/src/js/ui/env-var.js

@@ -0,0 +1,175 @@
+RED.envVar = (function() {
+    function saveEnvList(list) {
+        const items = list.editableList("items")
+        const new_env = [];
+        items.each(function (i,el) {
+            var data = el.data('data');
+            var item;
+            if (data.nameField && data.valueField) {
+                item = {
+                    name: data.nameField.val(),
+                    value: data.valueField.typedInput("value"),
+                    type: data.valueField.typedInput("type")
+                };
+                new_env.push(item);
+            }
+        });
+        return new_env;
+    }
+
+    function getGlobalConf(create) {
+        var gconf = null;
+        RED.nodes.eachConfig(function (conf) {
+            if (conf.type === "global-config") {
+                gconf = conf;
+            }
+        });
+        if ((gconf === null) && create) {
+            var cred = {
+                _ : {},
+                map: {}
+            };
+            gconf = {
+                id: RED.nodes.id(),
+                type: "global-config",
+                env: [],
+                name: "global-config",
+                label: "",
+                hasUsers: false,
+                users: [],
+                credentials: cred,
+                _def: RED.nodes.getType("global-config"),
+            };
+            RED.nodes.add(gconf);
+        }
+        return gconf;
+    }
+
+    function applyChanges(list) {
+        var gconf = getGlobalConf(false);
+        var new_env = [];
+        var items = list.editableList('items');
+        var credentials = gconf ? gconf.credentials : null;
+
+        if (!credentials) {
+            credentials = {
+                _ : {},
+                map: {}
+            };
+        }
+        items.each(function (i,el) {
+            var data = el.data('data');
+            if (data.nameField && data.valueField) {
+                var item = {
+                    name: data.nameField.val(),
+                    value: data.valueField.typedInput("value"),
+                    type: data.valueField.typedInput("type")
+                };
+                if (item.name.trim() !== "") {
+                    new_env.push(item);
+                    if ((item.type === "cred") && (item.value !== "__PWRD__")) {
+                        credentials.map[item.name] = item.value;
+                        credentials.map["has_"+item.name] = (item.value !== "");
+                        item.value = "__PWRD__";
+                    }
+                }
+            }
+        });
+        if (gconf === null) {
+            gconf = getGlobalConf(true);
+        }
+        if ((JSON.stringify(new_env) !== JSON.stringify(gconf.env)) ||
+            (JSON.stringify(credentials) !== JSON.stringify(gconf.credentials))) {
+            gconf.env = new_env;
+            gconf.credentials = credentials;
+            RED.nodes.dirty(true);
+        }
+    }
+
+    function getSettingsPane() {
+        var gconf = getGlobalConf(false);
+        var env = gconf ? gconf.env : [];
+        var cred = gconf ? gconf.credentials : null;
+        if (!cred) {
+            cred = {
+                _ : {},
+                map: {}
+            };
+        }
+
+        var pane = $("<div/>", {
+            id: "red-ui-settings-tab-envvar",
+            class: "form-horizontal"
+        });
+        var content = $("<div/>", {
+            class: "form-row node-input-env-container-row"
+        }).css({
+            "margin": "10px"
+        }).appendTo(pane);
+
+        var label = $("<label></label>").css({
+            width: "100%"
+        }).appendTo(content);
+        $("<i/>", {
+            class: "fa fa-list"
+        }).appendTo(label);
+        $("<span/>").text(" "+RED._("env-var.header")).appendTo(label);
+
+        var list = $("<ol/>", {
+            id: "node-input-env-container"
+        }).appendTo(content);
+        var node = {
+            type: "",
+            env: env,
+            credentials: cred.map,
+        };
+        RED.editor.envVarList.create(list, node);
+
+        var buttons = $("<div/>").css({
+            "text-align": "right",
+        }).appendTo(content);
+        var revertButton = $("<button/>", {
+            class: "red-ui-button"
+        }).css({
+        }).text(RED._("env-var.revert")).appendTo(buttons);
+
+        var items = saveEnvList(list);
+        revertButton.on("click", function (ev) {
+            list.editableList("empty");
+            list.editableList("addItems", items);
+        });
+
+        return pane;
+    }
+
+    function init(done) {
+        if (!RED.user.hasPermission("settings.write")) {
+            RED.notify(RED._("user.errors.settings"),"error");
+            return;
+        }
+        RED.userSettings.add({
+            id:'envvar',
+            title: RED._("env-var.environment"),
+            get: getSettingsPane,
+            focus: function() {
+                var height = $("#red-ui-settings-tab-envvar").parent().height();
+                $("#node-input-env-container").editableList("height", (height -100));
+            },
+            close: function() {
+                var list = $("#node-input-env-container");
+                try {
+                    applyChanges(list);
+                }
+                catch (e) {
+                    console.log(e);
+                    console.log(e.stack);
+                }
+            }
+        });
+    }
+
+    return {
+        init: init,
+    };
+
+})();

packages/node_modules/@node-red/editor-client/src/js/ui/group.js

@@ -188,6 +188,8 @@ RED.group = (function() {
             var activateMerge = false;
             var activateRemove = false;
             var singleGroupSelected = false;
+            var locked = RED.workspaces.isActiveLocked()
+
             if (activateGroup) {
                 singleGroupSelected = selection.nodes.length === 1 && selection.nodes[0].type === 'group';
                 selection.nodes.forEach(function (n) {
@@ -202,12 +204,12 @@ RED.group = (function() {
                     activateMerge = (selection.nodes.length > 1);
                 }
             }
-            RED.menu.setDisabled("menu-item-group-group", !activateGroup);
-            RED.menu.setDisabled("menu-item-group-ungroup", !activateUngroup);
-            RED.menu.setDisabled("menu-item-group-merge", !activateMerge);
-            RED.menu.setDisabled("menu-item-group-remove", !activateRemove);
+            RED.menu.setDisabled("menu-item-group-group", locked || !activateGroup);
+            RED.menu.setDisabled("menu-item-group-ungroup", locked || !activateUngroup);
+            RED.menu.setDisabled("menu-item-group-merge", locked || !activateMerge);
+            RED.menu.setDisabled("menu-item-group-remove", locked || !activateRemove);
             RED.menu.setDisabled("menu-item-edit-copy-group-style", !singleGroupSelected);
-            RED.menu.setDisabled("menu-item-edit-paste-group-style", !activateUngroup);
+            RED.menu.setDisabled("menu-item-edit-paste-group-style", locked || !activateUngroup);
         });
 
         RED.actions.add("core:group-selection", function() { groupSelection() })
@@ -264,6 +266,7 @@ RED.group = (function() {
         }
     }
     function pasteGroupStyle() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (RED.view.state() !== RED.state.DEFAULT) { return }
         if (groupStyleClipboard) {
             var selection = RED.view.selection();
@@ -298,6 +301,7 @@ RED.group = (function() {
     }
 
     function groupSelection() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (RED.view.state() !== RED.state.DEFAULT) { return }
         var selection = RED.view.selection();
         if (selection.nodes) {
@@ -316,6 +320,7 @@ RED.group = (function() {
         }
     }
     function ungroupSelection() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (RED.view.state() !== RED.state.DEFAULT) { return }
         var selection = RED.view.selection();
         if (selection.nodes) {
@@ -339,6 +344,7 @@ RED.group = (function() {
     }
 
     function ungroup(g) {
+        if (RED.workspaces.isActiveLocked()) { return }
         var nodes = [];
         var parentGroup = RED.nodes.group(g.g);
         g.nodes.forEach(function(n) {
@@ -365,6 +371,7 @@ RED.group = (function() {
     }
 
     function mergeSelection() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (RED.view.state() !== RED.state.DEFAULT) { return }
         var selection = RED.view.selection();
         if (selection.nodes) {
@@ -434,6 +441,7 @@ RED.group = (function() {
     }
 
     function removeSelection() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (RED.view.state() !== RED.state.DEFAULT) { return }
         var selection = RED.view.selection();
         if (selection.nodes) {
@@ -461,6 +469,7 @@ RED.group = (function() {
         }
     }
     function createGroup(nodes) {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (nodes.length === 0) {
             return;
         }
@@ -483,7 +492,7 @@ RED.group = (function() {
         }
 
         group.z = nodes[0].z;
-        RED.nodes.addGroup(group);
+        group = RED.nodes.addGroup(group);
 
         try {
             addToGroup(group,nodes);
@@ -566,6 +575,7 @@ RED.group = (function() {
         markDirty(group);
     }
     function removeFromGroup(group, nodes, reparent) {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (!Array.isArray(nodes)) {
             nodes = [nodes];
         }

packages/node_modules/@node-red/editor-client/src/js/ui/mermaid.js

@@ -0,0 +1,46 @@
+// Mermaid diagram stub library for on-demand dynamic loading
+// Will be overwritten after script loading by $.getScript
+var mermaid = (function () {
+    var enabled /* = undefined */;
+    
+    var initializing = false;
+    var initCalled = false;
+
+    function initialize(opt) {
+        if (enabled === undefined) {
+            if (RED.settings.markdownEditor &&
+                RED.settings.markdownEditor.mermaid) {
+                enabled = RED.settings.markdownEditor.mermaid.enabled;
+            }
+            else {
+                enabled = true;
+            }
+        }
+        if (enabled) {
+            initializing = true;
+            $.getScript("vendor/mermaid/mermaid.min.js",
+                        function (data, stat, jqxhr) {
+                            $(".mermaid").show();
+                            // invoke loaded mermaid API
+                            initializing = false; 
+                            mermaid.initialize(opt);
+                            if (initCalled) {
+                                mermaid.init();
+                                initCalled = false;
+                            }
+                        });
+        }
+    }
+
+    function init() {
+        if (initializing) {
+            $(".mermaid").hide();
+            initCalled = true;
+        }
+    }
+    
+    return {
+        initialize: initialize,
+        init: init,
+    };
+})();

packages/node_modules/@node-red/editor-client/src/js/ui/palette.js

@@ -292,6 +292,7 @@ RED.palette = (function() {
             var hoverGroup;
             var paletteWidth;
             var paletteTop;
+            var dropEnabled;
             $(d).draggable({
                 helper: 'clone',
                 appendTo: '#red-ui-editor',
@@ -299,6 +300,7 @@ RED.palette = (function() {
                 revertDuration: 200,
                 containment:'#red-ui-main-container',
                 start: function() {
+                    dropEnabled = !(RED.nodes.workspace(RED.workspaces.active())?.locked);
                     paletteWidth = $("#red-ui-palette").width();
                     paletteTop = $("#red-ui-palette").parent().position().top + $("#red-ui-palette-container").position().top;
                     hoverGroup = null;
@@ -309,96 +311,100 @@ RED.palette = (function() {
                     RED.view.focus();
                 },
                 stop: function() {
-                    d3.select('.red-ui-flow-link-splice').classed('red-ui-flow-link-splice',false);
-                    if (hoverGroup) {
-                        document.getElementById("group_select_"+hoverGroup.id).classList.remove("red-ui-flow-group-hovered");
+                    if (dropEnabled) {
+                        d3.select('.red-ui-flow-link-splice').classed('red-ui-flow-link-splice',false);
+                        if (hoverGroup) {
+                            document.getElementById("group_select_"+hoverGroup.id).classList.remove("red-ui-flow-group-hovered");
+                        }
+                        if (activeGroup) {
+                            document.getElementById("group_select_"+activeGroup.id).classList.remove("red-ui-flow-group-active-hovered");
+                        }
+                        if (spliceTimer) { clearTimeout(spliceTimer); spliceTimer = null; }
+                        if (groupTimer) { clearTimeout(groupTimer); groupTimer = null; }
                     }
-                    if (activeGroup) {
-                        document.getElementById("group_select_"+activeGroup.id).classList.remove("red-ui-flow-group-active-hovered");
-                    }
-                    if (spliceTimer) { clearTimeout(spliceTimer); spliceTimer = null; }
-                    if (groupTimer) { clearTimeout(groupTimer); groupTimer = null; }
                 },
                 drag: function(e,ui) {
                     var paletteNode = getPaletteNode(nt);
                     ui.originalPosition.left = paletteNode.offset().left;
-                    mouseX = ui.position.left - paletteWidth + (ui.helper.width()/2) + chart.scrollLeft();
-                    mouseY = ui.position.top - paletteTop + (ui.helper.height()/2) + chart.scrollTop() + 10;
-                    if (!groupTimer) {
-                        groupTimer = setTimeout(function() {
-                            var mx = mouseX / RED.view.scale();
-                            var my = mouseY / RED.view.scale();
-                            var group = RED.view.getGroupAtPoint(mx,my);
-                            if (group !== hoverGroup) {
-                                if (hoverGroup) {
-                                    document.getElementById("group_select_"+hoverGroup.id).classList.remove("red-ui-flow-group-hovered");
-                                }
-                                if (group) {
-                                    document.getElementById("group_select_"+group.id).classList.add("red-ui-flow-group-hovered");
-                                }
-                                hoverGroup = group;
-                                if (hoverGroup) {
-                                    $(ui.helper).data('group',hoverGroup);
-                                } else {
-                                    $(ui.helper).removeData('group');
-                                }
-                            }
-                            groupTimer = null;
-
-                        },200)
-                    }
-                    if (def.inputs > 0 && def.outputs > 0) {
-                        if (!spliceTimer) {
-                            spliceTimer = setTimeout(function() {
-                                var nodes = [];
-                                var bestDistance = Infinity;
-                                var bestLink = null;
-                                if (chartSVG.getIntersectionList) {
-                                    var svgRect = chartSVG.createSVGRect();
-                                    svgRect.x = mouseX;
-                                    svgRect.y = mouseY;
-                                    svgRect.width = 1;
-                                    svgRect.height = 1;
-                                    nodes = chartSVG.getIntersectionList(svgRect,chartSVG);
-                                } else {
-                                    // Firefox doesn't do getIntersectionList and that
-                                    // makes us sad
-                                    nodes = RED.view.getLinksAtPoint(mouseX,mouseY);
-                                }
+                    if (dropEnabled) {
+                        mouseX = ui.position.left - paletteWidth + (ui.helper.width()/2) + chart.scrollLeft();
+                        mouseY = ui.position.top - paletteTop + (ui.helper.height()/2) + chart.scrollTop() + 10;
+                        if (!groupTimer) {
+                            groupTimer = setTimeout(function() {
                                 var mx = mouseX / RED.view.scale();
                                 var my = mouseY / RED.view.scale();
-                                for (var i=0;i<nodes.length;i++) {
-                                    var node = d3.select(nodes[i]);
-                                    if (node.classed('red-ui-flow-link-background') && !node.classed('red-ui-flow-link-link')) {
-                                        var length = nodes[i].getTotalLength();
-                                        for (var j=0;j<length;j+=10) {
-                                            var p = nodes[i].getPointAtLength(j);
-                                            var d2 = ((p.x-mx)*(p.x-mx))+((p.y-my)*(p.y-my));
-                                            if (d2 < 200 && d2 < bestDistance) {
-                                                bestDistance = d2;
-                                                bestLink = nodes[i];
+                                var group = RED.view.getGroupAtPoint(mx,my);
+                                if (group !== hoverGroup) {
+                                    if (hoverGroup) {
+                                        document.getElementById("group_select_"+hoverGroup.id).classList.remove("red-ui-flow-group-hovered");
+                                    }
+                                    if (group) {
+                                        document.getElementById("group_select_"+group.id).classList.add("red-ui-flow-group-hovered");
+                                    }
+                                    hoverGroup = group;
+                                    if (hoverGroup) {
+                                        $(ui.helper).data('group',hoverGroup);
+                                    } else {
+                                        $(ui.helper).removeData('group');
+                                    }
+                                }
+                                groupTimer = null;
+
+                            },200)
+                        }
+                        if (def.inputs > 0 && def.outputs > 0) {
+                            if (!spliceTimer) {
+                                spliceTimer = setTimeout(function() {
+                                    var nodes = [];
+                                    var bestDistance = Infinity;
+                                    var bestLink = null;
+                                    if (chartSVG.getIntersectionList) {
+                                        var svgRect = chartSVG.createSVGRect();
+                                        svgRect.x = mouseX;
+                                        svgRect.y = mouseY;
+                                        svgRect.width = 1;
+                                        svgRect.height = 1;
+                                        nodes = chartSVG.getIntersectionList(svgRect,chartSVG);
+                                    } else {
+                                        // Firefox doesn't do getIntersectionList and that
+                                        // makes us sad
+                                        nodes = RED.view.getLinksAtPoint(mouseX,mouseY);
+                                    }
+                                    var mx = mouseX / RED.view.scale();
+                                    var my = mouseY / RED.view.scale();
+                                    for (var i=0;i<nodes.length;i++) {
+                                        var node = d3.select(nodes[i]);
+                                        if (node.classed('red-ui-flow-link-background') && !node.classed('red-ui-flow-link-link')) {
+                                            var length = nodes[i].getTotalLength();
+                                            for (var j=0;j<length;j+=10) {
+                                                var p = nodes[i].getPointAtLength(j);
+                                                var d2 = ((p.x-mx)*(p.x-mx))+((p.y-my)*(p.y-my));
+                                                if (d2 < 200 && d2 < bestDistance) {
+                                                    bestDistance = d2;
+                                                    bestLink = nodes[i];
+                                                }
                                             }
                                         }
                                     }
-                                }
-                                if (activeSpliceLink && activeSpliceLink !== bestLink) {
-                                    d3.select(activeSpliceLink.parentNode).classed('red-ui-flow-link-splice',false);
-                                }
-                                if (bestLink) {
-                                    d3.select(bestLink.parentNode).classed('red-ui-flow-link-splice',true)
-                                } else {
-                                    d3.select('.red-ui-flow-link-splice').classed('red-ui-flow-link-splice',false);
-                                }
-                                if (activeSpliceLink !== bestLink) {
-                                    if (bestLink) {
-                                        $(ui.helper).data('splice',d3.select(bestLink).data()[0]);
-                                    } else {
-                                        $(ui.helper).removeData('splice');
+                                    if (activeSpliceLink && activeSpliceLink !== bestLink) {
+                                        d3.select(activeSpliceLink.parentNode).classed('red-ui-flow-link-splice',false);
                                     }
-                                }
-                                activeSpliceLink = bestLink;
-                                spliceTimer = null;
-                            },200);
+                                    if (bestLink) {
+                                        d3.select(bestLink.parentNode).classed('red-ui-flow-link-splice',true)
+                                    } else {
+                                        d3.select('.red-ui-flow-link-splice').classed('red-ui-flow-link-splice',false);
+                                    }
+                                    if (activeSpliceLink !== bestLink) {
+                                        if (bestLink) {
+                                            $(ui.helper).data('splice',d3.select(bestLink).data()[0]);
+                                        } else {
+                                            $(ui.helper).removeData('splice');
+                                        }
+                                    }
+                                    activeSpliceLink = bestLink;
+                                    spliceTimer = null;
+                                },200);
+                            }
                         }
                     }
                 }
@@ -432,6 +438,7 @@ RED.palette = (function() {
                 categoryNode.find(".red-ui-palette-content").slideToggle();
                 categoryNode.find("i").toggleClass("expanded");
             }
+            categoryNode.hide();
         }
     }
 
@@ -510,6 +517,7 @@ RED.palette = (function() {
                     currentCategoryNode.find(".red-ui-palette-content").slideToggle();
                     currentCategoryNode.find("i").toggleClass("expanded");
                 }
+                currentCategoryNode.hide();
             }
         }
 

packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js

@@ -273,6 +273,11 @@ RED.subflow = (function() {
         var subflowInstances = [];
         if (activeSubflow) {
             RED.nodes.filterNodes({type:"subflow:"+activeSubflow.id}).forEach(function(n) {
+                const parentFlow = RED.nodes.workspace(n.z)
+                const wasLocked = parentFlow && parentFlow.locked
+                if (wasLocked) {
+                    parentFlow.locked = false
+                }
                 subflowInstances.push({
                     id: n.id,
                     changed: n.changed
@@ -285,6 +290,9 @@ RED.subflow = (function() {
                 n.resize = true;
                 n.dirty = true;
                 RED.editor.updateNodeProperties(n);
+                if (wasLocked) {
+                    parentFlow.locked = true
+                }
             });
             RED.editor.validateNode(activeSubflow);
             return {
@@ -431,44 +439,7 @@ RED.subflow = (function() {
 
         $("#red-ui-subflow-delete").on("click", function(event) {
             event.preventDefault();
-            var subflow = RED.nodes.subflow(RED.workspaces.active());
-            if (subflow.instances.length > 0) {
-                var msg = $('<div>')
-                $('<p>').text(RED._("subflow.subflowInstances",{count: subflow.instances.length})).appendTo(msg);
-                $('<p>').text(RED._("subflow.confirmDelete")).appendTo(msg);
-                var confirmDeleteNotification = RED.notify(msg, {
-                    modal: true,
-                    fixed: true,
-                    buttons: [
-                        {
-                            text: RED._('common.label.cancel'),
-                            click: function() {
-                                confirmDeleteNotification.close();
-                            }
-                        },
-                        {
-                            text: RED._('workspace.confirmDelete'),
-                            class: "primary",
-                            click: function() {
-                                confirmDeleteNotification.close();
-                                completeDelete();
-                            }
-                        }
-                    ]
-                });
-
-                return;
-            } else {
-                completeDelete();
-            }
-            function completeDelete() {
-                var startDirty = RED.nodes.dirty();
-                var historyEvent = removeSubflow(RED.workspaces.active());
-                historyEvent.t = 'delete';
-                historyEvent.dirty = startDirty;
-                RED.history.push(historyEvent);
-            }
-
+            RED.subflow.delete(RED.workspaces.active())
         });
 
         refreshToolbar(activeSubflow);
@@ -481,7 +452,51 @@ RED.subflow = (function() {
         $("#red-ui-workspace-toolbar").hide().empty();
         $("#red-ui-workspace-chart").css({"margin-top": "0"});
     }
+    function deleteSubflow(id) {
+        const subflow = RED.nodes.subflow(id || RED.workspaces.active());
+        if (!subflow) {
+            return
+        }
+        if (subflow.instances.length > 0) {
+            if (subflow.instances.some(sf => { const ws = RED.nodes.workspace(sf.z); return ws?ws.locked:false })) {
+                return
+            }
+            const msg = $('<div>')
+            $('<p>').text(RED._("subflow.subflowInstances",{count: subflow.instances.length})).appendTo(msg);
+            $('<p>').text(RED._("subflow.confirmDelete")).appendTo(msg);
+            const confirmDeleteNotification = RED.notify(msg, {
+                modal: true,
+                fixed: true,
+                buttons: [
+                    {
+                        text: RED._('common.label.cancel'),
+                        click: function() {
+                            confirmDeleteNotification.close();
+                        }
+                    },
+                    {
+                        text: RED._('workspace.confirmDelete'),
+                        class: "primary",
+                        click: function() {
+                            confirmDeleteNotification.close();
+                            completeDelete();
+                        }
+                    }
+                ]
+            });
 
+            return;
+        } else {
+            completeDelete();
+        }
+        function completeDelete() {
+            const startDirty = RED.nodes.dirty();
+            const historyEvent = removeSubflow(subflow.id);
+            historyEvent.t = 'delete';
+            historyEvent.dirty = startDirty;
+            RED.history.push(historyEvent);
+        }
+    }
     function removeSubflow(id, keepInstanceNodes) {
         // TODO:  A lot of this logic is common with RED.nodes.removeWorkspace
         var removedNodes = [];
@@ -558,7 +573,7 @@ RED.subflow = (function() {
             }
         });
         RED.events.on("view:selection-changed",function(selection) {
-            if (!selection.nodes) {
+            if (!selection.nodes || RED.workspaces.isActiveLocked()) {
                 RED.menu.setDisabled("menu-item-subflow-convert",true);
             } else {
                 RED.menu.setDisabled("menu-item-subflow-convert",false);
@@ -621,6 +636,9 @@ RED.subflow = (function() {
     }
 
     function convertToSubflow() {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         if (!selection.nodes) {
             RED.notify(RED._("subflow.errors.noNodesSelected"),"error");
@@ -776,7 +794,7 @@ RED.subflow = (function() {
         }
         subflowInstance._def = RED.nodes.getType(subflowInstance.type);
         RED.editor.validateNode(subflowInstance);
-        RED.nodes.add(subflowInstance);
+        subflowInstance = RED.nodes.add(subflowInstance);
 
         if (containingGroup) {
             RED.group.addToGroup(containingGroup, subflowInstance);
@@ -1330,7 +1348,10 @@ RED.subflow = (function() {
         init: init,
         createSubflow: createSubflow,
         convertToSubflow: convertToSubflow,
+        // removeSubflow: Internal function to remove subflow
         removeSubflow: removeSubflow,
+        // delete: Prompt user for confirmation
+        delete: deleteSubflow,
         refresh: refresh,
         removeInput: removeSubflowInput,
         removeOutput: removeSubflowOutput,

packages/node_modules/@node-red/editor-client/src/js/ui/tab-config.js

@@ -43,12 +43,15 @@ RED.sidebar.config = (function() {
 
     var categories = {};
 
-    function getOrCreateCategory(name,parent,label) {
+    function getOrCreateCategory(name,parent,label,isLocked) {
         name = name.replace(/\./i,"-");
         if (!categories[name]) {
             var container = $('<div class="red-ui-palette-category red-ui-sidebar-config-category" id="red-ui-sidebar-config-category-'+name+'"></div>').appendTo(parent);
             var header = $('<div class="red-ui-sidebar-config-tray-header red-ui-palette-header"><i class="fa fa-angle-down expanded"></i></div>').appendTo(container);
+            let lockIcon
             if (label) {
+                lockIcon = $('<span style="margin-right: 5px"><i class="fa fa-lock"/></span>').appendTo(header)
+                lockIcon.toggle(!!isLocked)
                 $('<span class="red-ui-palette-node-config-label"/>').text(label).appendTo(header);
             } else {
                 $('<span class="red-ui-palette-node-config-label" data-i18n="sidebar.config.'+name+'">').appendTo(header);
@@ -62,6 +65,7 @@ RED.sidebar.config = (function() {
             var icon = header.find("i");
             var result = {
                 label: label,
+                lockIcon,
                 list: category,
                 size: function() {
                     return result.list.find("li:not(.red-ui-palette-node-config-none)").length
@@ -100,6 +104,9 @@ RED.sidebar.config = (function() {
             });
             categories[name] = result;
         } else {
+            if (isLocked !== undefined && categories[name].lockIcon) {
+                categories[name].lockIcon.toggle(!!isLocked)
+            }
             if (categories[name].label !== label) {
                 categories[name].list.parent().find('.red-ui-palette-node-config-label').text(label);
                 categories[name].label = label;
@@ -216,7 +223,7 @@ RED.sidebar.config = (function() {
 
         RED.nodes.eachWorkspace(function(ws) {
             validList[ws.id.replace(/\./g,"-")] = true;
-            getOrCreateCategory(ws.id,flowCategories,ws.label);
+            getOrCreateCategory(ws.id,flowCategories,ws.label, ws.locked);
         })
         RED.nodes.eachSubflow(function(sf) {
             validList[sf.id.replace(/\./g,"-")] = true;
@@ -274,6 +281,15 @@ RED.sidebar.config = (function() {
                     changes: {},
                     dirty: RED.nodes.dirty()
                 }
+                for (let i = 0; i < selectedNodes.length; i++) {
+                    let node = RED.nodes.node(selectedNodes[i])
+                    if (node.z) {
+                        let ws = RED.nodes.workspace(node.z)
+                        if (ws && ws.locked) {
+                            return
+                        }
+                    }
+                }
                 selectedNodes.forEach(function(id) {
                     var node = RED.nodes.node(id);
                     try {

packages/node_modules/@node-red/editor-client/src/js/ui/tab-help.js

@@ -141,7 +141,8 @@ RED.sidebar.help = (function() {
         RED.events.on('registry:node-type-removed', queueRefresh);
         RED.events.on('subflows:change', refreshSubflow);
 
-        RED.actions.add("core:show-help-tab",show);
+        RED.actions.add("core:show-help-tab", show);
+        RED.actions.add("core:show-node-help", showNodeHelp)
 
     }
 
@@ -338,6 +339,19 @@ RED.sidebar.help = (function() {
         resizeStack();
     }
 
+    function showNodeHelp(node) {
+        if (!node) {
+            const selection = RED.view.selection()
+            if (selection.nodes && selection.nodes.length > 0) {
+                node = selection.nodes.find(n => n.type !== 'group' && n.type !== 'junction')
+            }
+        }
+        if (node) {
+            show(node.type, true)
+        }
+    }
+
+
     // TODO: DRY - projects.js
     function addTargetToExternalLinks(el) {
         $(el).find("a").each(function(el) {

packages/node_modules/@node-red/editor-client/src/js/ui/tab-info-outliner.js

@@ -221,6 +221,22 @@ RED.sidebar.info.outliner = (function() {
         } else {
             $('<div class="red-ui-info-outline-item-control-spacer">').appendTo(controls)
         }
+        if (n.type === 'tab') {
+            var lockToggleButton = $('<button type="button" class="red-ui-info-outline-item-control-lock red-ui-button red-ui-button-small"><i class="fa fa-unlock-alt"></i><i class="fa fa-lock"></i></button>').appendTo(controls).on("click",function(evt) {
+                evt.preventDefault();
+                evt.stopPropagation();
+                if (n.locked) {
+                    RED.workspaces.unlock(n.id)
+                } else {
+                    RED.workspaces.lock(n.id)
+                }
+            })
+            RED.popover.tooltip(lockToggleButton,function() {
+                return RED._("common.label."+(n.locked?"unlock":"lock"));
+            });
+        } else {
+            $('<div class="red-ui-info-outline-item-control-spacer">').appendTo(controls)
+        }
         controls.find("button").on("dblclick", function(evt) {
             evt.preventDefault();
             evt.stopPropagation();
@@ -364,6 +380,8 @@ RED.sidebar.info.outliner = (function() {
         flowList.treeList.addChild(objects[ws.id])
         objects[ws.id].element.toggleClass("red-ui-info-outline-item-disabled", !!ws.disabled)
         objects[ws.id].treeList.container.toggleClass("red-ui-info-outline-item-disabled", !!ws.disabled)
+        objects[ws.id].element.toggleClass("red-ui-info-outline-item-locked", !!ws.locked)
+        objects[ws.id].treeList.container.toggleClass("red-ui-info-outline-item-locked", !!ws.locked)
         updateSearch();
 
     }
@@ -378,6 +396,8 @@ RED.sidebar.info.outliner = (function() {
         existingObject.element.find(".red-ui-info-outline-item-label").text(label);
         existingObject.element.toggleClass("red-ui-info-outline-item-disabled", !!n.disabled)
         existingObject.treeList.container.toggleClass("red-ui-info-outline-item-disabled", !!n.disabled)
+        existingObject.element.toggleClass("red-ui-info-outline-item-locked", !!n.locked)
+        existingObject.treeList.container.toggleClass("red-ui-info-outline-item-locked", !!n.locked)
         updateSearch();
     }
     function onFlowsReorder(order) {

packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js

@@ -25,6 +25,7 @@ RED.sidebar.info = (function() {
     var propertiesPanelHeaderLabel;
     var propertiesPanelHeaderReveal;
     var propertiesPanelHeaderHelp;
+    var propertiesPanelHeaderCopyLink;
 
     var selectedObject;
 
@@ -67,10 +68,20 @@ RED.sidebar.info = (function() {
 
         propertiesPanelHeaderIcon = $("<span>").appendTo(propertiesPanelHeader);
         propertiesPanelHeaderLabel = $("<span>").appendTo(propertiesPanelHeader);
-        propertiesPanelHeaderHelp = $('<button class="red-ui-button red-ui-button-small"><i class="fa fa-book"></button>').css({
+
+        propertiesPanelHeaderCopyLink = $('<button type="button" class="red-ui-button red-ui-button-small"><i class="fa fa-link"></button>').css({
             position: 'absolute',
             top: '12px',
             right: '32px'
+        }).on("click", function(evt) {
+            RED.actions.invoke('core:copy-item-url',selectedObject)
+        }).appendTo(propertiesPanelHeader);
+        RED.popover.tooltip(propertiesPanelHeaderCopyLink,RED._("sidebar.info.copyItemUrl"));
+
+        propertiesPanelHeaderHelp = $('<button type="button" class="red-ui-button red-ui-button-small"><i class="fa fa-book"></button>').css({
+            position: 'absolute',
+            top: '12px',
+            right: '56px'
         }).on("click", function(evt) {
             evt.preventDefault();
             evt.stopPropagation();
@@ -80,8 +91,7 @@ RED.sidebar.info = (function() {
         }).appendTo(propertiesPanelHeader);
         RED.popover.tooltip(propertiesPanelHeaderHelp,RED._("sidebar.help.showHelp"));
 
-
-        propertiesPanelHeaderReveal = $('<button class="red-ui-button red-ui-button-small"><i class="fa fa-search"></button>').css({
+        propertiesPanelHeaderReveal = $('<button type="button" class="red-ui-button red-ui-button-small"><i class="fa fa-search"></button>').css({
             position: 'absolute',
             top: '12px',
             right: '8px'
@@ -185,6 +195,7 @@ RED.sidebar.info = (function() {
             propertiesPanelHeaderLabel.text("");
             propertiesPanelHeaderReveal.hide();
             propertiesPanelHeaderHelp.hide();
+            propertiesPanelHeaderCopyLink.hide();
             return;
         } else if (Array.isArray(node)) {
             // Multiple things selected
@@ -196,6 +207,7 @@ RED.sidebar.info = (function() {
             propertiesPanelHeaderLabel.text("Selection");
             propertiesPanelHeaderReveal.hide();
             propertiesPanelHeaderHelp.hide();
+            propertiesPanelHeaderCopyLink.hide();
             selectedObject = null;
 
             var types = {
@@ -277,9 +289,11 @@ RED.sidebar.info = (function() {
             if (node.type === "tab" || node.type === "subflow") {
                 // If nothing is selected, but we're on a flow or subflow tab.
                 propertiesPanelHeaderHelp.hide();
+                propertiesPanelHeaderCopyLink.show();
 
             } else if (node.type === "group") {
                 propertiesPanelHeaderHelp.hide();
+                propertiesPanelHeaderCopyLink.show();
 
                 propRow = $('<tr class="red-ui-help-info-row"><td>&nbsp;</td><td></td></tr>').appendTo(tableBody);
 
@@ -304,8 +318,10 @@ RED.sidebar.info = (function() {
                 }
             } else if (node.type === 'junction') {
                 propertiesPanelHeaderHelp.hide();
+                propertiesPanelHeaderCopyLink.hide();
             } else {
                 propertiesPanelHeaderHelp.show();
+                propertiesPanelHeaderCopyLink.show();
 
                 if (!subflowRegex) {
                     propRow = $('<tr class="red-ui-help-info-row"><td>'+RED._("sidebar.info.type")+'</td><td></td></tr>').appendTo(tableBody);
@@ -447,7 +463,8 @@ RED.sidebar.info = (function() {
                     el = el.next();
                 }
                 $(this).toggleClass('expanded',!isExpanded);
-            })
+            });
+        mermaid.init();
     }
 
     var tips = (function() {

packages/node_modules/@node-red/editor-client/src/js/ui/tour/tourGuide.js

@@ -435,10 +435,15 @@ RED.tourGuide = (function() {
 
     function listTour() {
         return [
+            {
+                id: "3_1",
+                label: "3.1",
+                path: "./tours/welcome.js"
+            },
             {
                 id: "3_0",
                 label: "3.0",
-                path: "./tours/welcome.js"
+                path: "./tours/3.0/welcome.js"
             },
             {
                 id: "2_2",

packages/node_modules/@node-red/editor-client/src/js/ui/utils.js

@@ -96,6 +96,37 @@ RED.utils = (function() {
         }
     }
 
+    var mermaidIsInitialized = false;
+    var mermaidIsEnabled /* = undefined */;
+
+    renderer.code = function (code, lang) {
+        if(lang === "mermaid") {
+            // mermaid diagram rendering 
+            if (mermaidIsEnabled === undefined) {
+                if (RED.settings.markdownEditor &&
+                    RED.settings.markdownEditor.mermaid) {
+                    mermaidIsEnabled = RED.settings.markdownEditor.mermaid.enabled;
+                }
+                else {
+                    mermaidIsEnabled = true;
+                }
+            }
+            if (mermaidIsEnabled) {
+                if (!mermaidIsInitialized) {
+                    mermaidIsInitialized = true;
+                    mermaid.initialize({startOnLoad:false});
+                }
+                return `<pre class='mermaid'>${code}</pre>`;
+            }
+            else {
+                return `<details><summary>${RED._("markdownEditor.mermaid.summary")}</summary><pre><code>${code}</code></pre></details>`;
+            }
+        }
+        else {
+            return "<pre><code>" +code +"</code></pre>";
+        }
+    };
+
     window._marked.setOptions({
         renderer: renderer,
         gfm: true,

packages/node_modules/@node-red/editor-client/src/js/ui/view-tools.js

@@ -15,7 +15,7 @@
  **/
 
 RED.view.tools = (function() {
-
+    'use strict';
     function selectConnected(type) {
         var selection = RED.view.selection();
         var visited = new Set();
@@ -39,6 +39,9 @@ RED.view.tools = (function() {
     }
 
     function alignToGrid() {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         if (selection.nodes) {
             var changedNodes = [];
@@ -87,6 +90,9 @@ RED.view.tools = (function() {
     }
 
     function moveSelection(dx,dy) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         if (moving_set === null) {
             moving_set = [];
             var selection = RED.view.selection();
@@ -153,6 +159,9 @@ RED.view.tools = (function() {
     }
 
     function setSelectedNodeLabelState(labelShown) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         var historyEvents = [];
         var nodes = [];
@@ -439,6 +448,9 @@ RED.view.tools = (function() {
     }
 
     function alignSelectionToEdge(direction) {
+        // if (RED.workspaces.isActiveLocked()) {
+        //     return
+        // }
         var selection = RED.view.selection();
 
         if (selection.nodes && selection.nodes.length > 1) {
@@ -539,8 +551,10 @@ RED.view.tools = (function() {
         }
     }
 
-
     function distributeSelection(direction) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
 
         if (selection.nodes && selection.nodes.length > 2) {
@@ -699,6 +713,9 @@ RED.view.tools = (function() {
     }
 
     function reorderSelection(dir) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         if (selection.nodes) {
             var nodesToMove = [];
@@ -734,8 +751,10 @@ RED.view.tools = (function() {
         }
     }
 
-
     function wireSeriesOfNodes() {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         if (selection.nodes) {
             if (selection.nodes.length > 1) {
@@ -776,6 +795,9 @@ RED.view.tools = (function() {
     }
 
     function wireNodeToMultiple() {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         var selection = RED.view.selection();
         if (selection.nodes) {
             if (selection.nodes.length > 1) {
@@ -823,6 +845,9 @@ RED.view.tools = (function() {
      * @param {Object || Object[]} wires The wire(s) to split and replace with link-out, link-in nodes.
      */
     function splitWiresWithLinkNodes(wires) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         let wiresToSplit = wires || (RED.view.selection().links && RED.view.selection().links.filter(e => !e.link));
         if (!wiresToSplit) {
             return
@@ -877,7 +902,6 @@ RED.view.tools = (function() {
             if(!nnLinkOut) {
                 const nLinkOut = RED.view.createNode("link out"); //create link node
                 nnLinkOut = nLinkOut.node;
-                nodeSrcMap[linkOutMapId] = nnLinkOut;
                 let yOffset = 0;
                 if(nSrc.outputs > 1) {
 
@@ -892,7 +916,8 @@ RED.view.tools = (function() {
                     updateNewNodePosXY(nSrc, nnLinkOut, false, RED.view.snapGrid, yOffset);
                 }
                 //add created node
-                RED.nodes.add(nnLinkOut);
+                nnLinkOut = RED.nodes.add(nnLinkOut);
+                nodeSrcMap[linkOutMapId] = nnLinkOut;
                 RED.editor.validateNode(nnLinkOut);
                 history.events.push(nLinkOut.historyEvent);
                 //connect node to link node
@@ -913,10 +938,10 @@ RED.view.tools = (function() {
             if(!nnLinkIn) {
                 const nLinkIn = RED.view.createNode("link in"); //create link node
                 nnLinkIn = nLinkIn.node;
-                nodeTrgMap[nTrg.id] = nnLinkIn;
                 updateNewNodePosXY(nTrg, nnLinkIn, true, RED.view.snapGrid, 0);
                 //add created node
-                RED.nodes.add(nnLinkIn);
+                nnLinkIn = RED.nodes.add(nnLinkIn);
+                nodeTrgMap[nTrg.id] = nnLinkIn;
                 RED.editor.validateNode(nnLinkIn);
                 history.events.push(nLinkIn.historyEvent);
                 //connect node to link node
@@ -991,6 +1016,9 @@ RED.view.tools = (function() {
      * @param {{ renameBlank: boolean, renameClash: boolean, generateHistory: boolean }} options Possible options are `renameBlank`, `renameClash` and `generateHistory`
      */
     function generateNodeNames(node, options) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         options = Object.assign({
             renameBlank: true,
             renameClash: true,
@@ -1061,6 +1089,9 @@ RED.view.tools = (function() {
     }
 
     function addJunctionsToWires(wires) {
+        if (RED.workspaces.isActiveLocked()) {
+            return
+        }
         let wiresToSplit = wires || (RED.view.selection().links && RED.view.selection().links.filter(e => !e.link));
         if (!wiresToSplit) {
             return
@@ -1131,7 +1162,7 @@ RED.view.tools = (function() {
 
             var nodeGroups = new Set()
 
-            RED.nodes.addJunction(junction)
+            junction = RED.nodes.addJunction(junction)
             addedJunctions.push(junction)
             let newLink
             if (gid === links[0].source.id+":"+links[0].sourcePort) {
@@ -1192,6 +1223,30 @@ RED.view.tools = (function() {
         RED.view.redraw(true);
     }
 
+    function copyItemUrl(node, isEdit) {
+        if (!node) {
+            const selection = RED.view.selection();
+            if (selection.nodes && selection.nodes.length > 0) {
+                node = selection.nodes[0]
+            }
+        }
+        if (node) {
+            let thingType = 'node'
+            if (node.type === 'group') {
+                thingType = 'group'
+            } else if (node.type === 'tab' || node.type === 'subflow') {
+                thingType = 'flow'
+            }
+            let url = `${window.location.origin}${window.location.pathname}#${thingType}/${node.id}`
+            if (isEdit) {
+                url += '/edit'
+            }
+            if (RED.clipboard.copyText(url)) {
+                RED.notify(RED._("sidebar.info.copyURL2Clipboard"), { timeout: 2000 })
+            }
+        }
+    }
+
     return {
         init: function() {
             RED.actions.add("core:show-selected-node-labels", function() { setSelectedNodeLabelState(true); })
@@ -1258,6 +1313,9 @@ RED.view.tools = (function() {
 
             RED.actions.add("core:generate-node-names", generateNodeNames )
 
+            RED.actions.add("core:copy-item-url", function (node) { copyItemUrl(node) })
+            RED.actions.add("core:copy-item-edit-url", function (node) { copyItemUrl(node, true) })
+
             // RED.actions.add("core:add-node", function() { addNode() })
         },
         /**

packages/node_modules/@node-red/editor-client/src/js/ui/view.js

@@ -54,6 +54,7 @@ RED.view = (function() {
     var spliceTimer;
     var groupHoverTimer;
 
+    var activeFlowLocked = false;
     var activeSubflow = null;
     var activeNodes = [];
     var activeLinks = [];
@@ -211,6 +212,7 @@ RED.view = (function() {
             evt.preventDefault()
             evt.stopPropagation()
             RED.contextMenu.show({
+                type: 'workspace',
                 x:evt.clientX-5,
                 y:evt.clientY-5
             })
@@ -410,8 +412,19 @@ RED.view = (function() {
 
             activeSubflow = RED.nodes.subflow(event.workspace);
 
-            RED.menu.setDisabled("menu-item-workspace-edit", activeSubflow || event.workspace === 0);
-            RED.menu.setDisabled("menu-item-workspace-delete",event.workspace === 0 || RED.workspaces.count() == 1 || activeSubflow);
+            if (activeSubflow) {
+                activeFlowLocked = activeSubflow.locked
+            } else {
+                var activeWorkspace = RED.nodes.workspace(event.workspace)
+                if (activeWorkspace) {
+                    activeFlowLocked = activeWorkspace.locked
+                } else {
+                    activeFlowLocked = true
+                }
+            }
+
+            RED.menu.setDisabled("menu-item-workspace-edit", activeFlowLocked || activeSubflow || event.workspace === 0);
+            RED.menu.setDisabled("menu-item-workspace-delete",activeFlowLocked || event.workspace === 0 || RED.workspaces.count() == 1 || activeSubflow);
 
             if (workspaceScrollPositions[event.workspace]) {
                 chart.scrollLeft(workspaceScrollPositions[event.workspace].left);
@@ -438,6 +451,15 @@ RED.view = (function() {
             redraw();
         });
 
+        RED.events.on("flows:change", function(workspace) {
+            if (workspace.id === RED.workspaces.active()) {
+                activeFlowLocked = !!workspace.locked
+                $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!workspace.disabled);
+                $("#red-ui-workspace").toggleClass("red-ui-workspace-locked",!!workspace.locked);
+
+            }
+        })
+
         RED.statusBar.add({
             id: "view-zoom-controls",
             align: "right",
@@ -495,6 +517,9 @@ RED.view = (function() {
         chart.droppable({
             accept:".red-ui-palette-node",
             drop: function( event, ui ) {
+                if (activeFlowLocked) {
+                    return
+                }
                 d3.event = event;
                 var selected_tool = $(ui.draggable[0]).attr("data-palette-type");
                 var result = createNode(selected_tool);
@@ -502,9 +527,7 @@ RED.view = (function() {
                     return;
                 }
                 var historyEvent = result.historyEvent;
-                var nn = result.node;
-
-                RED.nodes.add(nn);
+                var nn = RED.nodes.add(result.node);
 
                 var showLabel = RED.utils.getMessageProperty(RED.settings.get('editor'),"view.view-node-show-label");
                 if (showLabel !== undefined &&  (nn._def.hasOwnProperty("showLabel")?nn._def.showLabel:true) && !nn._def.defaults.hasOwnProperty("l")) {
@@ -631,6 +654,9 @@ RED.view = (function() {
         RED.actions.add("core:copy-selection-to-internal-clipboard",copySelection);
         RED.actions.add("core:cut-selection-to-internal-clipboard",function(){copySelection(true);deleteSelection();});
         RED.actions.add("core:paste-from-internal-clipboard",function(){
+            if (RED.workspaces.isActiveLocked()) {
+                return
+            }
             importNodes(clipboard,{generateIds: clipboardSource === 'copy', generateDefaultNames: clipboardSource === 'copy'});
         });
 
@@ -639,22 +665,27 @@ RED.view = (function() {
         RED.events.on("view:selection-changed", function(selection) {
             var hasSelection = (selection.nodes && selection.nodes.length > 0);
             var hasMultipleSelection = hasSelection && selection.nodes.length > 1;
-            RED.menu.setDisabled("menu-item-edit-cut",!hasSelection);
-            RED.menu.setDisabled("menu-item-edit-copy",!hasSelection);
-            RED.menu.setDisabled("menu-item-edit-select-connected",!hasSelection);
-            RED.menu.setDisabled("menu-item-view-tools-move-to-back",!hasSelection);
-            RED.menu.setDisabled("menu-item-view-tools-move-to-front",!hasSelection);
-            RED.menu.setDisabled("menu-item-view-tools-move-backwards",!hasSelection);
-            RED.menu.setDisabled("menu-item-view-tools-move-forwards",!hasSelection);
+            var hasLinkSelected = selection.links && selection.links.length > 0;
+            var canEdit = !activeFlowLocked && hasSelection
+            var canEditMultiple = !activeFlowLocked && hasMultipleSelection
+            RED.menu.setDisabled("menu-item-edit-cut", !canEdit);
+            RED.menu.setDisabled("menu-item-edit-copy", !hasSelection);
+            RED.menu.setDisabled("menu-item-edit-select-connected", !hasSelection);
+            RED.menu.setDisabled("menu-item-view-tools-move-to-back", !canEdit);
+            RED.menu.setDisabled("menu-item-view-tools-move-to-front", !canEdit);
+            RED.menu.setDisabled("menu-item-view-tools-move-backwards", !canEdit);
+            RED.menu.setDisabled("menu-item-view-tools-move-forwards", !canEdit);
 
-            RED.menu.setDisabled("menu-item-view-tools-align-left",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-align-center",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-align-right",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-align-top",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-align-middle",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-align-bottom",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-distribute-horizontally",!hasMultipleSelection);
-            RED.menu.setDisabled("menu-item-view-tools-distribute-veritcally",!hasMultipleSelection);
+            RED.menu.setDisabled("menu-item-view-tools-align-left", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-align-center", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-align-right", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-align-top", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-align-middle", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-align-bottom", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-distribute-horizontally", !canEditMultiple);
+            RED.menu.setDisabled("menu-item-view-tools-distribute-veritcally", !canEditMultiple);
+
+            RED.menu.setDisabled("menu-item-edit-split-wire-with-links", activeFlowLocked || !hasLinkSelected);
         })
 
         RED.actions.add("core:delete-selection",deleteSelection);
@@ -1044,7 +1075,7 @@ RED.view = (function() {
                             .attr("class", "nr-ui-view-lasso");
                         d3.event.preventDefault();
                     }
-                } else if (d3.event.altKey) {
+                } else if (d3.event.altKey && !activeFlowLocked) {
                     //Alt [+shift] held - Begin slicing
                     clearSelection();
                     mouse_mode = (d3.event.shiftKey) ? RED.state.SLICING_JUNCTION : RED.state.SLICING;
@@ -1058,6 +1089,9 @@ RED.view = (function() {
     }
 
     function showQuickAddDialog(options) {
+        if (activeFlowLocked) {
+            return
+        }
         options = options || {};
         var point = options.position || lastClickPosition;
         var spliceLink = options.splice;
@@ -1240,6 +1274,11 @@ RED.view = (function() {
                 if (showLabel !== undefined && (nn._def.hasOwnProperty("showLabel")?nn._def.showLabel:true) && !nn._def.defaults.hasOwnProperty("l")) {
                     nn.l = showLabel;
                 }
+                if (nn.type === 'junction') {
+                    nn = RED.nodes.addJunction(nn);
+                } else {
+                    nn = RED.nodes.add(nn);
+                }
                 if (quickAddLink) {
                     var drag_line = quickAddLink;
                     var src = null,dst,src_port;
@@ -1342,11 +1381,7 @@ RED.view = (function() {
                         }
                     }
                 }
-                if (nn.type === 'junction') {
-                    RED.nodes.addJunction(nn);
-                } else {
-                    RED.nodes.add(nn);
-                }
+
                 RED.editor.validateNode(nn);
 
                 if (targetGroup) {
@@ -1604,16 +1639,18 @@ RED.view = (function() {
             }
             var d = (mouse_offset[0]-mousePos[0])*(mouse_offset[0]-mousePos[0]) + (mouse_offset[1]-mousePos[1])*(mouse_offset[1]-mousePos[1]);
             if ((d > 3 && !dblClickPrimed) || (dblClickPrimed && d > 10)) {
-                mouse_mode = RED.state.MOVING_ACTIVE;
                 clickElapsed = 0;
-                spliceActive = false;
-                if (movingSet.length() === 1) {
-                    node = movingSet.get(0);
-                    spliceActive = node.n.hasOwnProperty("_def") &&
-                                   ((node.n.hasOwnProperty("inputs") && node.n.inputs > 0) || (!node.n.hasOwnProperty("inputs") && node.n._def.inputs > 0)) &&
-                                   ((node.n.hasOwnProperty("outputs") && node.n.outputs > 0) || (!node.n.hasOwnProperty("outputs") && node.n._def.outputs > 0)) &&
-                                   RED.nodes.filterLinks({ source: node.n }).length === 0 &&
-                                   RED.nodes.filterLinks({ target: node.n }).length === 0;
+                if (!activeFlowLocked) {
+                    mouse_mode = RED.state.MOVING_ACTIVE;
+                    spliceActive = false;
+                    if (movingSet.length() === 1) {
+                        node = movingSet.get(0);
+                        spliceActive = node.n.hasOwnProperty("_def") &&
+                                       ((node.n.hasOwnProperty("inputs") && node.n.inputs > 0) || (!node.n.hasOwnProperty("inputs") && node.n._def.inputs > 0)) &&
+                                       ((node.n.hasOwnProperty("outputs") && node.n.outputs > 0) || (!node.n.hasOwnProperty("outputs") && node.n._def.outputs > 0)) &&
+                                       RED.nodes.filterLinks({ source: node.n }).length === 0 &&
+                                       RED.nodes.filterLinks({ target: node.n }).length === 0;
+                    }
                 }
             }
         } else if (mouse_mode == RED.state.MOVING_ACTIVE || mouse_mode == RED.state.IMPORT_DRAGGING || mouse_mode == RED.state.DETACHED_DRAGGING) {
@@ -2458,6 +2495,7 @@ RED.view = (function() {
     }
 
     function editSelection() {
+        if (RED.workspaces.isActiveLocked()) { return }
         if (movingSet.length() > 0) {
             var node = movingSet.get(0).n;
             if (node.type === "subflow") {
@@ -2473,6 +2511,9 @@ RED.view = (function() {
         if (mouse_mode === RED.state.SELECTING_NODE) {
             return;
         }
+        if (activeFlowLocked) {
+            return
+        }
         if (portLabelHover) {
             portLabelHover.remove();
             portLabelHover = null;
@@ -2788,6 +2829,7 @@ RED.view = (function() {
 
 
     function detachSelectedNodes() {
+        if (RED.workspaces.isActiveLocked()) { return }
         var selection = RED.view.selection();
         if (selection.nodes) {
             const {newLinks, removedLinks} = RED.nodes.detachNodes(selection.nodes);
@@ -2929,7 +2971,7 @@ RED.view = (function() {
         mousedown_node = d;
         mousedown_port_type = portType;
         mousedown_port_index = portIndex || 0;
-        if (mouse_mode !== RED.state.QUICK_JOINING) {
+        if (mouse_mode !== RED.state.QUICK_JOINING && !activeFlowLocked) {
             mouse_mode = RED.state.JOINING;
             document.body.style.cursor = "crosshair";
             if (evt.ctrlKey || evt.metaKey) {
@@ -3369,6 +3411,14 @@ RED.view = (function() {
         }
         if (dblClickPrimed && mousedown_node == d && clickElapsed > 0 && clickElapsed < dblClickInterval) {
             mouse_mode = RED.state.DEFAULT;
+            if (RED.workspaces.isActiveLocked()) {
+                clickElapsed = 0;
+                d3.event.stopPropagation();
+                return
+            }
+            // Avoid dbl click causing text selection.
+            d3.event.preventDefault()
+            document.getSelection().removeAllRanges()
             if (d.type != "subflow") {
                 if (/^subflow:/.test(d.type) && (d3.event.ctrlKey || d3.event.metaKey)) {
                     RED.workspaces.show(d.type.substring(8));
@@ -3692,7 +3742,6 @@ RED.view = (function() {
             }
             // selectedLinks.clear();
             if (d3.event.button != 2) {
-                mouse_mode = RED.state.MOVING;
                 var mouse = d3.touches(this)[0]||d3.mouse(this);
                 mouse[0] += d.x-d.w/2;
                 mouse[1] += d.y-d.h/2;
@@ -3885,6 +3934,7 @@ RED.view = (function() {
         if (RED.view.DEBUG) {
             console.warn("groupMouseUp", { mouse_mode, event: d3.event });
         }
+        if (RED.workspaces.isActiveLocked()) { return }
         if (dblClickPrimed && mousedown_group == g && clickElapsed > 0 && clickElapsed < dblClickInterval) {
             mouse_mode = RED.state.DEFAULT;
             RED.editor.editGroup(g);
@@ -4055,7 +4105,7 @@ RED.view = (function() {
     function isButtonEnabled(d) {
         var buttonEnabled = true;
         var ws = RED.nodes.workspace(RED.workspaces.active());
-        if (ws && !ws.disabled && !d.d) {
+        if (ws && !ws.disabled && !d.d && !ws.locked) {
             if (d._def.button.hasOwnProperty('enabled')) {
                 if (typeof d._def.button.enabled === "function") {
                     buttonEnabled = d._def.button.enabled.call(d);
@@ -4078,7 +4128,7 @@ RED.view = (function() {
         }
         var activeWorkspace = RED.workspaces.active();
         var ws = RED.nodes.workspace(activeWorkspace);
-        if (ws && !ws.disabled && !d.d) {
+        if (ws && !ws.disabled && !d.d && !ws.locked) {
             if (d._def.button.toggle) {
                 d[d._def.button.toggle] = !d[d._def.button.toggle];
                 d.dirty = true;
@@ -4093,7 +4143,7 @@ RED.view = (function() {
             if (d.dirty) {
                 redraw();
             }
-        } else {
+        } else if (!ws || !ws.locked){
             if (activeSubflow) {
                 RED.notify(RED._("notification.warning", {message:RED._("notification.warnings.nodeActionDisabledSubflow")}),"warning");
             } else {
@@ -4108,14 +4158,15 @@ RED.view = (function() {
     function showTouchMenu(obj,pos) {
         var mdn = mousedown_node;
         var options = [];
-        options.push({name:"delete",disabled:(movingSet.length()===0 && selectedLinks.length() === 0),onselect:function() {deleteSelection();}});
-        options.push({name:"cut",disabled:(movingSet.length()===0),onselect:function() {copySelection(true);deleteSelection();}});
-        options.push({name:"copy",disabled:(movingSet.length()===0),onselect:function() {copySelection();}});
-        options.push({name:"paste",disabled:(clipboard.length===0),onselect:function() {importNodes(clipboard, {generateIds: true, touchImport: true});}});
-        options.push({name:"edit",disabled:(movingSet.length() != 1),onselect:function() { RED.editor.edit(mdn);}});
+        const isActiveLocked = RED.workspaces.isActiveLocked()
+        options.push({name:"delete",disabled:(isActiveLocked || movingSet.length()===0 && selectedLinks.length() === 0),onselect:function() {deleteSelection();}});
+        options.push({name:"cut",disabled:(isActiveLocked || movingSet.length()===0),onselect:function() {copySelection(true);deleteSelection();}});
+        options.push({name:"copy",disabled:(isActiveLocked || movingSet.length()===0),onselect:function() {copySelection();}});
+        options.push({name:"paste",disabled:(isActiveLocked || clipboard.length===0),onselect:function() {importNodes(clipboard, {generateIds: true, touchImport: true});}});
+        options.push({name:"edit",disabled:(isActiveLocked || movingSet.length() != 1),onselect:function() { RED.editor.edit(mdn);}});
         options.push({name:"select",onselect:function() {selectAll();}});
         options.push({name:"undo",disabled:(RED.history.depth() === 0),onselect:function() {RED.history.pop();}});
-        options.push({name:"add",onselect:function() {
+        options.push({name:"add",disabled:isActiveLocked, onselect:function() {
             chartPos = chart.offset();
             showQuickAddDialog({
                 position:[pos[0]-chartPos.left+chart.scrollLeft(),pos[1]-chartPos.top+chart.scrollTop()],
@@ -5606,7 +5657,24 @@ RED.view = (function() {
             if (activeSubflow) {
                 activeSubflowChanged = activeSubflow.changed;
             }
-            var result = RED.nodes.import(nodesToImport,{generateIds:options.generateIds, addFlow: addNewFlow, importMap: options.importMap});
+            var filteredNodesToImport = nodesToImport;
+            var globalConfig = null;
+            var gconf = null;
+
+            RED.nodes.eachConfig(function (conf) {
+                if (conf.type === "global-config") {
+                    gconf = conf;
+                }
+            });
+            if (gconf) {
+                filteredNodesToImport = nodesToImport.filter(function (n) {
+                    return (n.type !== "global-config");
+                });
+                globalConfig = nodesToImport.find(function (n) {
+                    return (n.type === "global-config");
+                });
+            }
+            var result = RED.nodes.import(filteredNodesToImport,{generateIds:options.generateIds, addFlow: addNewFlow, importMap: options.importMap});
             if (result) {
                 var new_nodes = result.nodes;
                 var new_links = result.links;
@@ -5738,6 +5806,50 @@ RED.view = (function() {
                     }
                 }
 
+                if (globalConfig) {
+                    // merge global env to existing global-config
+                    var env0 = gconf.env;
+                    var env1 = globalConfig.env;
+                    var newEnv = Array.from(env0);
+                    var changed = false;
+
+                    env1.forEach(function (item1) {
+                        var index = newEnv.findIndex(function (item0) {
+                            return (item0.name === item1.name);
+                        });
+                        if (index >= 0) {
+                            var item0 = newEnv[index];
+                            if ((item0.type !== item1.type) ||
+                                (item0.value !== item1.value)) {
+                                newEnv[index] = item1;
+                                changed = true;
+                            }
+                        }
+                        else {
+                            newEnv.push(item1);
+                            changed = true;
+                        }
+                    });
+                    if(changed) {
+                        gconf.env = newEnv;
+                        var replaceEvent = {
+                            t: "edit",
+                            node: gconf,
+                            changed: true,
+                            changes: {
+                                env: env0
+                            }
+                        };
+                        historyEvent = {
+                            t:"multi",
+                            events: [
+                                replaceEvent,
+                                historyEvent,
+                            ]
+                        };
+                    }
+                }
+
                 RED.history.push(historyEvent);
 
                 updateActiveNodes();
@@ -5813,6 +5925,9 @@ RED.view = (function() {
         if (mouse_mode === RED.state.SELECTING_NODE) {
             return;
         }
+        if (activeFlowLocked) {
+            return
+        }
         var workspaceSelection = RED.workspaces.selection();
         var changed = false;
         if (workspaceSelection.length > 0) {
@@ -6140,7 +6255,9 @@ RED.view = (function() {
                     if (node.z && (node.type === "group" || node._def.category !== 'config')) {
                         node.dirty = true;
                         RED.workspaces.show(node.z);
-
+                        if (node.type === "group" && !node.w && !node.h) {
+                            _redraw();
+                        }
                         var screenSize = [chart[0].clientWidth/scaleFactor,chart[0].clientHeight/scaleFactor];
                         var scrollPos = [chart.scrollLeft()/scaleFactor,chart.scrollTop()/scaleFactor];
                         var cx = node.x;

packages/node_modules/@node-red/editor-client/src/js/ui/workspaces.js

@@ -58,6 +58,9 @@ RED.workspaces = (function() {
             if (!ws.closeable) {
                 ws.hideable = true;
             }
+            if (!ws.hasOwnProperty('locked')) {
+                ws.locked = false
+            }
             workspace_tabs.addTab(ws,targetIndex);
 
             var hiddenTabs = JSON.parse(RED.settings.getLocal("hiddenTabs")||"{}");
@@ -75,6 +78,7 @@ RED.workspaces = (function() {
                 type: "tab",
                 id: tabId,
                 disabled: false,
+                locked: false,
                 info: "",
                 label: RED._('workspace.defaultName',{number:workspaceIndex}),
                 env: [],
@@ -99,6 +103,9 @@ RED.workspaces = (function() {
         if (workspaceTabCount === 1) {
             return;
         }
+        if (ws.locked) {
+            return
+        }
         var workspaceOrder = RED.nodes.getWorkspaceOrder();
         ws._index = workspaceOrder.indexOf(ws.id);
         removeWorkspace(ws);
@@ -119,13 +126,206 @@ RED.workspaces = (function() {
                 RED.editor.editSubflow(subflow);
             }
         } else {
-            RED.editor.editFlow(workspace);
+            if (!workspace.locked) {
+                RED.editor.editFlow(workspace);
+            }
         }
     }
 
 
     var workspace_tabs;
     var workspaceTabCount = 0;
+
+    function getMenuItems(isMenuButton, tab) {
+        let hiddenFlows = new Set()
+        for (let i = 0; i < hideStack.length; i++) {
+            let ids = hideStack[i]
+            if (!Array.isArray(ids)) {
+                ids = [ids]
+            }
+            ids.forEach(id => {
+                if (RED.nodes.workspace(id)) {
+                    hiddenFlows.add(id)
+                }
+            })
+        }
+        const hiddenflowCount = hiddenFlows.size;
+        let activeWorkspace = tab || RED.nodes.workspace(RED.workspaces.active()) || RED.nodes.subflow(RED.workspaces.active())
+        let isFlowDisabled = activeWorkspace ? activeWorkspace.disabled : false
+        const currentTabs = workspace_tabs.listTabs();
+        let flowCount = 0;
+        currentTabs.forEach(tab => {
+            if (RED.nodes.workspace(tab)) {
+                flowCount++;
+            }
+        });
+
+        let isCurrentLocked = RED.workspaces.isActiveLocked()
+        if (tab) {
+            isCurrentLocked = tab.locked
+        }
+
+        var menuItems = []
+        if (isMenuButton) {
+            menuItems.push({
+                id:"red-ui-tabs-menu-option-search-flows",
+                label: RED._("workspace.listFlows"),
+                onselect: "core:list-flows"
+            },
+            {
+                id:"red-ui-tabs-menu-option-search-subflows",
+                label: RED._("workspace.listSubflows"),
+                onselect: "core:list-subflows"
+            },
+            null)
+        }
+        menuItems.push(
+            {
+                id:"red-ui-tabs-menu-option-add-flow",
+                label: RED._("workspace.addFlow"),
+                onselect: "core:add-flow"
+            }
+        )
+        if (isMenuButton || !!tab) {
+            menuItems.push(
+                {
+                    id:"red-ui-tabs-menu-option-add-flow-right",
+                    label: RED._("workspace.addFlowToRight"),
+                    shortcut: RED.keyboard.getShortcut("core:add-flow-to-right"),
+                    onselect: function() {
+                        RED.actions.invoke("core:add-flow-to-right", tab)
+                    }
+                },
+                null
+            )
+            if (activeWorkspace && activeWorkspace.type === 'tab') {
+                menuItems.push(
+                    isFlowDisabled ? {
+                        label: RED._("workspace.enableFlow"),
+                        shortcut: RED.keyboard.getShortcut("core:enable-flow"),
+                        onselect: function() {
+                            RED.actions.invoke("core:enable-flow", tab?tab.id:undefined)
+                        },
+                        disabled: isCurrentLocked
+                    } : {
+                        label: RED._("workspace.disableFlow"),
+                        shortcut: RED.keyboard.getShortcut("core:disable-flow"),
+                        onselect: function() {
+                            RED.actions.invoke("core:disable-flow", tab?tab.id:undefined)
+                        },
+                        disabled: isCurrentLocked
+                    },
+                    isCurrentLocked? {
+                        label: RED._("workspace.unlockFlow"),
+                        shortcut: RED.keyboard.getShortcut("core:unlock-flow"),
+                        onselect: function() {
+                            RED.actions.invoke('core:unlock-flow', tab?tab.id:undefined)
+                        }
+                    } : {
+                        label: RED._("workspace.lockFlow"),
+                        shortcut: RED.keyboard.getShortcut("core:lock-flow"),
+                        onselect: function() {
+                            RED.actions.invoke('core:lock-flow', tab?tab.id:undefined)
+                        }
+                    },
+                    null
+                )
+            }
+            const activeIndex = currentTabs.findIndex(id => (activeWorkspace && (id === activeWorkspace.id)));
+            menuItems.push(
+                {
+                    label: RED._("workspace.moveToStart"),
+                    shortcut: RED.keyboard.getShortcut("core:move-flow-to-start"),
+                    onselect: function() {
+                        RED.actions.invoke("core:move-flow-to-start", tab?tab.id:undefined)
+                    },
+                    disabled: activeIndex === 0
+                },
+                {
+                    label: RED._("workspace.moveToEnd"),
+                    shortcut: RED.keyboard.getShortcut("core:move-flow-to-end"),
+                    onselect: function() {
+                        RED.actions.invoke("core:move-flow-to-end", tab?tab.id:undefined)
+                    },
+                    disabled: activeIndex === currentTabs.length - 1
+                }
+            )
+        }
+        menuItems.push(null)
+        if (isMenuButton || !!tab) {
+            menuItems.push(
+                {
+                    id:"red-ui-tabs-menu-option-add-hide-flows",
+                    label: RED._("workspace.hideFlow"),
+                    shortcut: RED.keyboard.getShortcut("core:hide-flow"),
+                    onselect: function() {
+                        RED.actions.invoke("core:hide-flow", tab)
+                    }
+                },
+                {
+                    id:"red-ui-tabs-menu-option-add-hide-other-flows",
+                    label: RED._("workspace.hideOtherFlows"),
+                    shortcut: RED.keyboard.getShortcut("core:hide-other-flows"),
+                    onselect: function() {
+                        RED.actions.invoke("core:hide-other-flows", tab)
+                    }
+                }
+            )
+
+        }
+        
+        menuItems.push(
+            {
+                id:"red-ui-tabs-menu-option-add-hide-all-flows",
+                label: RED._("workspace.hideAllFlows"),
+                onselect: "core:hide-all-flows",
+                disabled: (hiddenflowCount === flowCount)
+            },
+            {
+                id:"red-ui-tabs-menu-option-add-show-all-flows",
+                disabled: hiddenflowCount === 0,
+                label: RED._("workspace.showAllFlows", { count: hiddenflowCount }),
+                onselect: "core:show-all-flows"
+            },
+            {
+                id:"red-ui-tabs-menu-option-add-show-last-flow",
+                disabled: hideStack.length === 0,
+                label: RED._("workspace.showLastHiddenFlow"),
+                onselect: "core:show-last-hidden-flow"
+            }
+        )
+        if (tab) {
+            menuItems.push(
+                null,
+                {
+                    label: RED._("common.label.delete"),
+                    onselect: function() {
+                        if (tab.type === 'tab') {
+                            RED.workspaces.delete(tab)
+                        } else if (tab.type === 'subflow') {
+                            RED.subflow.delete(tab.id)
+                        }
+                    },
+                    disabled: isCurrentLocked || (workspaceTabCount === 1)
+                },
+                {
+                    label: RED._("menu.label.export"),
+                    shortcut: RED.keyboard.getShortcut("core:show-export-dialog"),
+                    onselect: function() {
+                        RED.workspaces.show(tab.id)
+                        RED.actions.invoke('core:show-export-dialog', null, 'flow')
+                    }
+                }
+            )
+        }
+        // if (isMenuButton && hiddenflowCount > 0) {
+        //     menuItems.unshift({
+        //         label: RED._("workspace.hiddenFlows",{count: hiddenflowCount}),
+        //         onselect: "core:list-hidden-flows"
+        //     })
+        // }
+        return menuItems;
+    }
     function createWorkspaceTabs() {
         workspace_tabs = RED.tabs.create({
             id: "red-ui-workspace-tabs",
@@ -137,8 +337,9 @@ RED.workspaces = (function() {
                     $("#red-ui-workspace-chart").show();
                     activeWorkspace = tab.id;
                     window.location.hash = 'flow/'+tab.id;
-                    $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled",!!tab.disabled);
-                    } else {
+                    $("#red-ui-workspace").toggleClass("red-ui-workspace-disabled", !!tab.disabled);
+                    $("#red-ui-workspace").toggleClass("red-ui-workspace-locked", !!tab.locked);
+                } else {
                     $("#red-ui-workspace-chart").hide();
                     activeWorkspace = 0;
                     window.location.hash = '';
@@ -169,6 +370,12 @@ RED.workspaces = (function() {
                 if (tab.disabled) {
                     $("#red-ui-tab-"+(tab.id.replace(".","-"))).addClass('red-ui-workspace-disabled');
                 }
+                $('<span class="red-ui-workspace-locked-icon"><i class="fa fa-lock"></i> </span>').prependTo("#red-ui-tab-"+(tab.id.replace(".","-"))+" .red-ui-tab-label");
+                if (tab.locked) {
+                    $("#red-ui-tab-"+(tab.id.replace(".","-"))).addClass('red-ui-workspace-locked');
+                }
+
+
                 RED.menu.setDisabled("menu-item-workspace-delete",activeWorkspace === 0 || workspaceTabCount <= 1);
                 if (workspaceTabCount === 1) {
                     showWorkspace();
@@ -189,13 +396,19 @@ RED.workspaces = (function() {
                 RED.history.push({
                     t:'reorder',
                     workspaces: {
-                        from:oldOrder,
-                        to:newOrder
+                        from: oldOrder,
+                        to: newOrder
                     },
                     dirty:RED.nodes.dirty()
                 });
-                RED.nodes.dirty(true);
-                setWorkspaceOrder(newOrder);
+                // Only mark flows dirty if flow-order has changed (excluding subflows)
+                const filteredOldOrder = oldOrder.filter(id => !!RED.nodes.workspace(id))
+                const filteredNewOrder = newOrder.filter(id => !!RED.nodes.workspace(id))
+
+                if (JSON.stringify(filteredOldOrder) !== JSON.stringify(filteredNewOrder)) {
+                    RED.nodes.dirty(true);
+                    setWorkspaceOrder(newOrder);
+                }
             },
             onselect: function(selectedTabs) {
                 RED.view.select(false)
@@ -214,12 +427,12 @@ RED.workspaces = (function() {
             },
             onhide: function(tab) {
                 hideStack.push(tab.id);
-
-                var hiddenTabs = JSON.parse(RED.settings.getLocal("hiddenTabs")||"{}");
-                hiddenTabs[tab.id] = true;
-                RED.settings.setLocal("hiddenTabs",JSON.stringify(hiddenTabs));
-
-                RED.events.emit("workspace:hide",{workspace: tab.id})
+                if (tab.type === "tab") {
+                    var hiddenTabs = JSON.parse(RED.settings.getLocal("hiddenTabs")||"{}");
+                    hiddenTabs[tab.id] = true;
+                    RED.settings.setLocal("hiddenTabs",JSON.stringify(hiddenTabs));
+                    RED.events.emit("workspace:hide",{workspace: tab.id})
+                }
             },
             onshow: function(tab) {
                 removeFromHideStack(tab.id);
@@ -234,77 +447,8 @@ RED.workspaces = (function() {
             scrollable: true,
             addButton: "core:add-flow",
             addButtonCaption: RED._("workspace.addFlow"),
-            menu: function() {
-                var menuItems = [
-                    {
-                        id:"red-ui-tabs-menu-option-search-flows",
-                        label: RED._("workspace.listFlows"),
-                        onselect: "core:list-flows"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-search-subflows",
-                        label: RED._("workspace.listSubflows"),
-                        onselect: "core:list-subflows"
-                    },
-                    null,
-                    {
-                        id:"red-ui-tabs-menu-option-add-flow",
-                        label: RED._("workspace.addFlow"),
-                        onselect: "core:add-flow"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-add-flow-right",
-                        label: RED._("workspace.addFlowToRight"),
-                        onselect: "core:add-flow-to-right"
-                    },
-                    null,
-                    {
-                        id:"red-ui-tabs-menu-option-add-hide-flows",
-                        label: RED._("workspace.hideFlow"),
-                        onselect: "core:hide-flow"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-add-hide-other-flows",
-                        label: RED._("workspace.hideOtherFlows"),
-                        onselect: "core:hide-other-flows"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-add-show-all-flows",
-                        label: RED._("workspace.showAllFlows"),
-                        onselect: "core:show-all-flows"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-add-hide-all-flows",
-                        label: RED._("workspace.hideAllFlows"),
-                        onselect: "core:hide-all-flows"
-                    },
-                    {
-                        id:"red-ui-tabs-menu-option-add-show-last-flow",
-                        label: RED._("workspace.showLastHiddenFlow"),
-                        onselect: "core:show-last-hidden-flow"
-                    }
-                ]
-                let hiddenFlows = new Set()
-                for (let i = 0; i < hideStack.length; i++) {
-                    let ids = hideStack[i]
-                    if (!Array.isArray(ids)) {
-                        ids = [ids]
-                    }
-                    ids.forEach(id => {
-                        if (RED.nodes.workspace(id)) {
-                            hiddenFlows.add(id)
-                        }
-                    })
-                }
-                const flowCount = hiddenFlows.size;
-                if (flowCount > 0) {
-                    menuItems.unshift({
-                        label: RED._("workspace.hiddenFlows",{count: flowCount}),
-                        onselect: "core:list-hidden-flows"
-                    })
-                }
-                return menuItems;
-            }
+            menu: function() { return getMenuItems(true) },
+            contextmenu: function(tab) { return getMenuItems(false, tab) }
         });
         workspaceTabCount = 0;
     }
@@ -355,16 +499,33 @@ RED.workspaces = (function() {
         });
 
         RED.actions.add("core:add-flow",function(opts) { addWorkspace(undefined,undefined,opts?opts.index:undefined)});
-        RED.actions.add("core:add-flow-to-right",function(opts) { addWorkspace(undefined,undefined,workspace_tabs.activeIndex()+1)});
+        RED.actions.add("core:add-flow-to-right",function(workspace) {
+            let index
+            if (workspace) {
+                index = workspace_tabs.getTabIndex(workspace.id)+1
+            } else {
+                index = workspace_tabs.activeIndex()+1
+            }
+            addWorkspace(undefined,undefined,index)
+        });
         RED.actions.add("core:edit-flow",editWorkspace);
         RED.actions.add("core:remove-flow",removeWorkspace);
         RED.actions.add("core:enable-flow",enableWorkspace);
         RED.actions.add("core:disable-flow",disableWorkspace);
+        RED.actions.add("core:lock-flow",lockWorkspace);
+        RED.actions.add("core:unlock-flow",unlockWorkspace);
+        RED.actions.add("core:move-flow-to-start", function(id) { moveWorkspace(id, 'start') });
+        RED.actions.add("core:move-flow-to-end", function(id) { moveWorkspace(id, 'end') });
 
-        RED.actions.add("core:hide-flow", function() {
-            var selection = workspace_tabs.selection();
-            if (selection.length === 0) {
-                selection = [{id:activeWorkspace}]
+        RED.actions.add("core:hide-flow", function(workspace) {
+            let selection
+            if (workspace) {
+                selection = [workspace]
+            } else {
+                selection = workspace_tabs.selection();
+                if (selection.length === 0) {
+                    selection = [{id:activeWorkspace}]
+                }
             }
             var hiddenTabs = [];
             selection.forEach(function(ws) {
@@ -378,10 +539,15 @@ RED.workspaces = (function() {
             workspace_tabs.clearSelection();
         })
 
-        RED.actions.add("core:hide-other-flows", function() {
-            var selection = workspace_tabs.selection();
-            if (selection.length === 0) {
-                selection = [{id:activeWorkspace}]
+        RED.actions.add("core:hide-other-flows", function(workspace) {
+            let selection
+            if (workspace) {
+                selection = [workspace]
+            } else {
+                selection = workspace_tabs.selection();
+                if (selection.length === 0) {
+                    selection = [{id:activeWorkspace}]
+                }
             }
             var selected = new Set(selection.map(function(ws) { return ws.id }))
 
@@ -486,7 +652,7 @@ RED.workspaces = (function() {
     }
     function setWorkspaceState(id,disabled) {
         var workspace = RED.nodes.workspace(id||activeWorkspace);
-        if (!workspace) {
+        if (!workspace || workspace.locked) {
             return;
         }
         if (workspace.disabled !== disabled) {
@@ -521,11 +687,58 @@ RED.workspaces = (function() {
             }
         }
     }
+    function lockWorkspace(id) {
+        setWorkspaceLockState(id,true);
+    }
+    function unlockWorkspace(id) {
+        setWorkspaceLockState(id,false);
+    }
+    function setWorkspaceLockState(id,locked) {
+        var workspace = RED.nodes.workspace(id||activeWorkspace);
+        if (!workspace) {
+            return;
+        }
+        if (workspace.locked !== locked) {
+            var changes = { locked: workspace.locked };
+            workspace.locked = locked;
+            $("#red-ui-tab-"+(workspace.id.replace(".","-"))).toggleClass('red-ui-workspace-locked',!!workspace.locked);
+            if (!id || (id === activeWorkspace)) {
+                $("#red-ui-workspace").toggleClass("red-ui-workspace-locked",!!workspace.locked);
+            }
+            var historyEvent = {
+                t: "edit",
+                changes:changes,
+                node: workspace,
+                dirty: RED.nodes.dirty()
+            }
+            workspace.changed = true;
+            RED.history.push(historyEvent);
+            RED.events.emit("flows:change",workspace);
+            RED.nodes.dirty(true);
+            // RED.sidebar.config.refresh();
+            // var selection = RED.view.selection();
+            // if (!selection.nodes && !selection.links && workspace.id === activeWorkspace) {
+            //     RED.sidebar.info.refresh(workspace);
+            // }
+            // if (changes.hasOwnProperty('disabled')) {
+            //     RED.nodes.eachNode(function(n) {
+            //         if (n.z === workspace.id) {
+            //             n.dirty = true;
+            //         }
+            //     });
+            //     RED.view.redraw();
+            // }
+        }
+    }
 
     function removeWorkspace(ws) {
         if (!ws) {
-            deleteWorkspace(RED.nodes.workspace(activeWorkspace));
+            ws = RED.nodes.workspace(activeWorkspace)
+            if (ws && !ws.locked) {
+                deleteWorkspace(RED.nodes.workspace(activeWorkspace));
+            }
         } else {
+            if (ws.locked) { return }
             if (workspace_tabs.contains(ws.id)) {
                 workspace_tabs.removeTab(ws.id);
             }
@@ -535,16 +748,46 @@ RED.workspaces = (function() {
         }
     }
 
+    function moveWorkspace(id, direction) {
+        const workspace = RED.nodes.workspace(id||activeWorkspace) || RED.nodes.subflow(id||activeWorkspace);
+        if (!workspace) {
+            return;
+        }
+        const currentOrder = workspace_tabs.listTabs()
+        const oldOrder = [...currentOrder]
+        const currentIndex = currentOrder.findIndex(id => id === workspace.id)
+        currentOrder.splice(currentIndex, 1)
+        if (direction === 'start') {
+            currentOrder.unshift(workspace.id)
+        } else if (direction === 'end') {
+            currentOrder.push(workspace.id)
+        }
+        const newOrder = setWorkspaceOrder(currentOrder)
+        if (JSON.stringify(newOrder) !== JSON.stringify(oldOrder)) {
+            RED.history.push({
+                t:'reorder',
+                workspaces: {
+                    from:oldOrder,
+                    to:newOrder
+                },
+                dirty:RED.nodes.dirty()
+            });
+            const filteredOldOrder = oldOrder.filter(id => !!RED.nodes.workspace(id))
+            const filteredNewOrder = newOrder.filter(id => !!RED.nodes.workspace(id))
+            if (JSON.stringify(filteredOldOrder) !== JSON.stringify(filteredNewOrder)) {
+                RED.nodes.dirty(true);
+            }
+        }
+    }
     function setWorkspaceOrder(order) {
-        var newOrder = order.filter(function(id) {
-            return RED.nodes.workspace(id) !== undefined;
-        })
+        var newOrder = order.filter(id => !!RED.nodes.workspace(id))
         var currentOrder = RED.nodes.getWorkspaceOrder();
         if (JSON.stringify(newOrder) !== JSON.stringify(currentOrder)) {
             RED.nodes.setWorkspaceOrder(newOrder);
             RED.events.emit("flows:reorder",newOrder);
         }
         workspace_tabs.order(order);
+        return newOrder
     }
 
     function flashTab(tabId) {
@@ -590,6 +833,10 @@ RED.workspaces = (function() {
         active: function() {
             return activeWorkspace
         },
+        isActiveLocked: function() {
+            var ws = RED.nodes.workspace(activeWorkspace) || RED.nodes.subflow(activeWorkspace)
+            return ws && ws.locked
+        },
         selection: function() {
             return workspace_tabs.selection();
         },
@@ -646,6 +893,8 @@ RED.workspaces = (function() {
             workspace_tabs.resize();
         },
         enable: enableWorkspace,
-        disable: disableWorkspace
+        disable: disableWorkspace,
+        lock: lockWorkspace,
+        unlock: unlockWorkspace
     }
 })();

packages/node_modules/@node-red/editor-client/src/sass/dragdrop.scss

@@ -37,3 +37,27 @@
         }
     }
 }
+
+#red-ui-image-drop-target {
+    position: absolute;
+    top: 0; bottom: 0;
+    left: 0; right: 0;
+    background: var(--red-ui-dnd-background);
+    display:table;
+    width: 100%;
+    height: 100%;
+    display: none;
+    z-index:100;
+    div {
+        pointer-events: none;
+        display: table-cell;
+        vertical-align: middle;
+        text-align: center;
+        font-size: 40px;
+        color: var(--red-ui-dnd-color);
+        i {
+            pointer-events: none;
+            font-size: 80px;
+        }
+    }
+}

packages/node_modules/@node-red/editor-client/src/sass/flow.scss

@@ -68,6 +68,9 @@
     stroke: var(--red-ui-node-border);
     cursor: move;
     stroke-width: 1;
+    .red-ui-workspace-locked & {
+        cursor: pointer;
+    }
 }
 .red-ui-workspace-select-mode {
     g.red-ui-flow-node.red-ui-flow-node-hovered * {
@@ -287,9 +290,11 @@ g.red-ui-flow-node-selected {
     text-anchor:start;
 }
 
-.red-ui-flow-port-hovered {
-    stroke: var(--red-ui-port-selected-color);
-    fill:  var(--red-ui-port-selected-color);
+#red-ui-workspace:not(.red-ui-workspace-locked) {
+    .red-ui-flow-port-hovered {
+        stroke: var(--red-ui-port-selected-color);
+        fill:  var(--red-ui-port-selected-color);
+    }
 }
 
 .red-ui-flow-subflow-port {

packages/node_modules/@node-red/editor-client/src/sass/notifications.scss

@@ -32,7 +32,8 @@
     color: var(--red-ui-primary-text-color);
     border: 1px solid var(--red-ui-notification-border-default);
     border-left-width: 16px;
-    overflow: hidden;
+    overflow: scroll;
+    max-height: 80vh;
     .ui-dialog-buttonset {
         margin-top: 20px;
         margin-bottom: 10px;

packages/node_modules/@node-red/editor-client/src/sass/radialMenu.scss

@@ -41,6 +41,7 @@
     height: 50px;
     background: var(--red-ui-secondary-background);
     border: 2px solid var(--red-ui-primary-border-color);
+    color: var(--red-ui-primary-text-color);
     text-align: center;
     line-height:50px;
 
@@ -51,7 +52,7 @@
 
 .red-ui-editor-radial-menu-opt-disabled {
     border-color: var(--red-ui-tertiary-border-color);
-    color: var(--red-ui-tertiary-border-color);
+    color: var(--red-ui-secondary-text-color-disabled);
 }
 .red-ui-editor-radial-menu-opt-active {
     background: var(--red-ui-secondary-background-hover);

packages/node_modules/@node-red/editor-client/src/sass/tab-info.scss

@@ -467,6 +467,9 @@ div.red-ui-info-table {
         .fa-eye {
             display: none;
         }
+        .fa-unlock-alt {
+            display: none;
+        }
     }
     .red-ui-info-outline-item-control-reveal,
     .red-ui-info-outline-item-control-action {
@@ -500,6 +503,25 @@ div.red-ui-info-table {
             display: none;
         }
     }
+    .fa-lock {
+        display: none;
+    }
+    .red-ui-info-outline-item.red-ui-info-outline-item-locked & {
+        .fa-lock {
+            display: inline-block;
+        }
+        .fa-unlock-alt {
+            display: none;
+        }
+    }
+    // If the parent is locked, do not show the display/action buttons when
+    // hovering in the outline
+    .red-ui-info-outline-item-locked .red-ui-info-outline-item & {
+        .red-ui-info-outline-item-control-disable,
+        .red-ui-info-outline-item-control-action {
+            display: none;
+        }
+    }
     button {
         margin-right: 3px
     }
@@ -517,8 +539,6 @@ div.red-ui-info-table {
     }
 }
 
-
-
 .red-ui-icons {
     display: inline-block;
     width: 18px;

packages/node_modules/@node-red/editor-client/src/sass/workspace.scss

@@ -106,6 +106,28 @@
     }
 }
 
+.red-ui-workspace-locked-icon {
+    display: none;
+}
+.red-ui-workspace-locked {
+    &.red-ui-tab {
+        // border-top-style: dashed;
+        // border-left-style: dashed;
+        // border-right-style: dashed;
+
+        // a {
+        //     font-style: italic;
+        //     color: var(--red-ui-tab-text-color-disabled-inactive) !important;
+        // }
+        // &.active a {
+        //     font-weight: normal;
+        //     color: var(--red-ui-tab-text-color-disabled-active) !important;
+        // }
+        .red-ui-workspace-locked-icon {
+            display: inline;
+        }
+    }
+}
 
 #red-ui-navigator-canvas {
     position: absolute;

packages/node_modules/@node-red/editor-client/src/tours/3.0/welcome.js

@@ -0,0 +1,155 @@
+export default {
+    version: "3.0.0",
+    steps: [
+        {
+            titleIcon: "fa fa-map-o",
+            title: {
+                "en-US": "Welcome to Node-RED 3.0!",
+                "ja": "Node-RED 3.0へようこそ!"
+            },
+            description: {
+                "en-US": "<p>Let's take a moment to discover the new features in this release.</p>",
+                "ja": "<p>本リリースの新機能を見つけてみましょう。</p>"
+            }
+        },
+        {
+            title: {
+                "en-US": "Context Menu",
+                "ja": "コンテキストメニュー"
+            },
+            image: 'images/context-menu.png',
+            description: {
+                "en-US": `<p>The editor now has its own context menu when you
+                          right-click in the workspace.</p>
+                          <p>This makes many of the built-in actions much easier
+                          to access.</p>`,
+                "ja": `<p>ワークスペースで右クリックすると、エディタに独自のコンテキストメニューが表示されるようになりました。</p>
+                       <p>これによって多くの組み込み動作を、より簡単に利用できます。</p>`
+            }
+        },
+        {
+            title: {
+                "en-US": "Wire Junctions",
+                "ja": "分岐点をワイヤーに追加"
+            },
+            image: 'images/junction-slice.gif',
+            description: {
+                "en-US": `<p>To make it easier to route wires around your flows,
+                             it is now possible to add junction nodes that give
+                             you more control.</p>
+                          <p>Junctions can be added to wires by holding both the Alt key and the Shift key
+                          then click and drag the mouse across the wires.</p>`,
+                "ja": `<p>フローのワイヤーの経路をより制御しやすくするために、分岐点ノードを追加できるようになりました。</p>
+                       <p>Altキーとシフトキーを押しながらマウスをクリックし、ワイヤーを横切るようにドラッグすることで、分岐点を追加できます。</p>`
+            },
+        },
+        {
+            title: {
+                "en-US": "Wire Junctions",
+                "ja": "分岐点をワイヤーに追加"
+            },
+            image: 'images/junction-quick-add.png',
+            description: {
+                "en-US": `<p>Junctions can also be added using the quick-add dialog.</p>
+                          <p>The dialog is opened by holding the Ctrl (or Cmd) key when
+                             clicking in the workspace.</p>`,
+                "ja": `<p>クイック追加ダイアログを用いて、分岐点を追加することもできます。</p>
+                       <p>本ダイアログを開くには、Ctrl(またはCmd)キーを押しながら、ワークスペース上でクリックします。</p>`
+            },
+        },
+        {
+            title: {
+                "en-US": "Debug Path Tooltip",
+                "ja": "デバッグパスのツールチップ"
+            },
+            image: 'images/debug-path-tooltip.png',
+            description: {
+                "en-US": `<p>When hovering over a node name in the Debug sidebar, a
+                             new tooltip shows the full location of the node.</p>
+                          <p>This is useful when working with subflows, making it
+                             much easier to identify exactly which node generated
+                             the message.</p>
+                          <p>Clicking on any item in the list will reveal it in
+                             the workspace.</p>`,
+                "ja": `<p>デバックサイドバー内のノード名の上にマウスカーソルを乗せると、新たにツールチップが表示され、ノードの場所が分かるようになっています。</p>
+                       <p>これは、サブフローを用いる時に役立つ機能であり、メッセージがどのノードから出力されたかを正確に特定することが遥かに簡単になります。</p>
+                       <p>本リスト内の要素をクリックすると、ワークスペース内にその要素が表示されます。</p>`
+            },
+        },
+        {
+            title: {
+                "en-US": "Continuous Search",
+                "ja": "連続した検索"
+            },
+            image: 'images/continuous-search.png',
+            description: {
+                "en-US": `<p>When searching for things in the editor, a new toolbar in
+                             the workspace provides options to quickly jump between
+                             the search results.</p>`,
+                "ja": `<p>ワークスペース内の新しいツールバーにあるオプションによって、エディタ内を検索する際に、検索結果の間を素早く移動できます。</p>`
+            },
+        },
+        {
+            title: {
+                "en-US": "New wiring actions",
+                "ja": "新しいワイヤー操作"
+            },
+            image: "images/split-wire-with-links.gif",
+            description: {
+                "en-US": `<p>A new action has been added that will replace a wire with a pair of connected Link nodes:</p>
+                          <ul>
+                          <li><b><code>Split Wire With Link Nodes</code></b></li>
+                          </ul>
+                          <p>Actions can be accessed from the Action List in the main menu.</p>`,
+                "ja": `<p>ワイヤーを、接続されたLinkノードのペアに置き換える動作が新たに追加されました:</p>
+                       <ul>
+                       <li><b><code>ワイヤーをlinkノードで分割</code></b></li>
+                       </ul>
+                       <p>本アクションは、メインメニュー内の動作一覧から呼び出せます。</p>`,
+            },
+        },
+        {
+            title: {
+                "en-US": "Default node names",
+                "ja": "標準ノードの名前"
+            },
+            // image: "images/",
+            description: {
+                "en-US": `<p>Some nodes have been updated to generate a unique name when
+                             new instances are added to the workspace. This applies to
+                             <code>Debug</code>, <code>Function</code> and <code>Link</code> nodes.</p>
+                          <p>A new action has also been added to generate default names for the selected
+                             nodes:</p>
+                             <ul>
+                             <li><b><code>Generate Node Names</code></b></li>
+                             </ul><p>Actions can be accessed from the Action List in the main menu.</p>
+                            `,
+                "ja": `<p>一部のノードは、ワークスペース上に新インスタンスとして追加した際に、一意の名前を付けるよう変更されました。この変更は、<code>Debug</code>、<code>Function</code>、<code>Link</code>ノードに適用されています。</p>
+                       <p>選択したノードに対して、標準の名前を生成する動作も新たに追加されました:</p>
+                          <ul>
+                          <li><b><code>ノード名を生成</code></b></li>
+                          </ul><p>本アクションは、メインメニュー内の動作一覧から呼び出せます。</p>
+                         `
+            }
+        },
+        {
+            title: {
+                "en-US": "Node Updates",
+                "ja": "ノードの更新"
+            },
+            // image: "images/",
+            description: {
+                "en-US": `<ul>
+                            <li>The Debug node can be configured to count messages it receives</li>
+                            <li>The Link Call node can use a message property to dynamically target the link it should call</li>
+                            <li>The HTTP Request node can be preconfigured with HTTP headers</li>
+                          </ul>`,
+                "ja": `<ul>
+                         <li>Debugノードは、受信したメッセージの数をカウントするよう設定できるようになりました。</li>
+                         <li>Link Callノードは、メッセージのプロパティによって、呼び出し対象のlinkを動的に指定できるようになりました。</li>
+                         <li>HTTP Requestノードは、HTTPヘッダを事前設定できるようになりました。</li>
+                       </ul>`
+            }
+        }
+    ]
+}

packages/node_modules/@node-red/editor-client/src/tours/welcome.js

@@ -1,137 +1,97 @@
 export default {
-    version: "3.0.0",
+    version: "3.1.0-beta.1",
     steps: [
         {
             titleIcon: "fa fa-map-o",
             title: {
-                "en-US": "Welcome to Node-RED 3.0!",
-                "ja": "Node-RED 3.0へようこそ!"
+                "en-US": "Welcome to Node-RED 3.1 Beta 1!",
+                // "ja": "Node-RED 3.1へようこそ!"
             },
             description: {
-                "en-US": "<p>Let's take a moment to discover the new features in this release.</p>",
-                "ja": "<p>本リリースの新機能を見つけてみましょう。</p>"
+                "en-US": "<p>This is the first beta release for 3.1.0 and we have a few new features to tell you about.</p>",
+                // "ja": ""
             }
         },
         {
             title: {
-                "en-US": "Context Menu",
-                "ja": "コンテキストメニュー"
+                "en-US": "Improved Context Menu",
+                // "ja": ""
             },
             image: 'images/context-menu.png',
             description: {
-                "en-US": `<p>The editor now has its own context menu when you
-                          right-click in the workspace.</p>
-                          <p>This makes many of the built-in actions much easier
-                          to access.</p>`,
-                "ja": `<p>ワークスペースで右クリックすると、エディタに独自のコンテキストメニューが表示されるようになりました。</p>
-                       <p>これによって多くの組み込み動作を、より簡単に利用できます。</p>`
+                "en-US": `<p>The editor's context menu has been expanded to make lots more of
+                        the built-in actions available.</p>
+                        <p>Adding nodes, working with groups and plenty
+                        of other useful tools are now just a click away.</p>
+                        <p>The flow tab bar also has its own context menu to make working
+                        with your flows much easier.</p>`,
+                // "ja": ``
             }
         },
         {
             title: {
-                "en-US": "Wire Junctions",
-                "ja": "分岐点をワイヤーに追加"
+                "en-US": "Hiding Flows",
+                // "ja": ""
             },
-            image: 'images/junction-slice.gif',
+            image: 'images/hiding-flows.png',
             description: {
-                "en-US": `<p>To make it easier to route wires around your flows,
-                             it is now possible to add junction nodes that give
-                             you more control.</p>
-                          <p>Junctions can be added to wires by holding both the Alt key and the Shift key
-                          then click and drag the mouse across the wires.</p>`,
-                "ja": `<p>フローのワイヤーの経路をより制御しやすくするために、分岐点ノードを追加できるようになりました。</p>
-                       <p>Altキーとシフトキーを押しながらマウスをクリックし、ワイヤーを横切るようにドラッグすることで、分岐点を追加できます。</p>`
+                "en-US": `<p>Hiding flows is now done through the flow context menu.</p>
+                          <p>The 'hide' button in previous releases has been removed from the tabs
+                             as they were being clicked accidentally too often.</p>`,
+                // "ja": ``
             },
         },
         {
             title: {
-                "en-US": "Wire Junctions",
-                "ja": "分岐点をワイヤーに追加"
+                "en-US": "Locking Flows",
+                // "ja": ""
             },
-            image: 'images/junction-quick-add.png',
+            image: 'images/locking-flows.png',
             description: {
-                "en-US": `<p>Junctions can also be added using the quick-add dialog.</p>
-                          <p>The dialog is opened by holding the Ctrl (or Cmd) key when
-                             clicking in the workspace.</p>`,
-                "ja": `<p>クイック追加ダイアログを用いて、分岐点を追加することもできます。</p>
-                       <p>本ダイアログを開くには、Ctrl(またはCmd)キーを押しながら、ワークスペース上でクリックします。</p>`
+                "en-US": `<p>Flows can now be locked to prevent accidental changes being made.</p>
+                          <p>When locked you cannot modify the nodes in any way.</p>
+                          <p>The flow context menu provides the options to lock and unlock flows,
+                             as well as in the Info sidebar explorer.</p>`,
+                // "ja": ``
             },
         },
         {
             title: {
-                "en-US": "Debug Path Tooltip",
-                "ja": "デバッグパスのツールチップ"
+                "en-US": "Adding Images to node/flow descriptions",
+                // "ja": ""
             },
-            image: 'images/debug-path-tooltip.png',
+            // image: 'images/debug-path-tooltip.png',
             description: {
-                "en-US": `<p>When hovering over a node name in the Debug sidebar, a
-                             new tooltip shows the full location of the node.</p>
-                          <p>This is useful when working with subflows, making it
-                             much easier to identify exactly which node generated
-                             the message.</p>
-                          <p>Clicking on any item in the list will reveal it in
-                             the workspace.</p>`,
-                "ja": `<p>デバックサイドバー内のノード名の上にマウスカーソルを乗せると、新たにツールチップが表示され、ノードの場所が分かるようになっています。</p>
-                       <p>これは、サブフローを用いる時に役立つ機能であり、メッセージがどのノードから出力されたかを正確に特定することが遥かに簡単になります。</p>
-                       <p>本リスト内の要素をクリックすると、ワークスペース内にその要素が表示されます。</p>`
+                "en-US": `<p>You can now add images to a node's or flows's description.</p>
+                          <p>Simply drag the image into the text editor and it will get added inline.</p>
+                          <p>When the description is shown in the Info sidebar, the image will be displayed.`,
+                // "ja": ``
             },
         },
         {
             title: {
-                "en-US": "Continuous Search",
-                "ja": "連続した検索"
+                "en-US": "Adding Mermaid Diagrams",
+                // "ja": ""
             },
-            image: 'images/continuous-search.png',
+            image: 'images/mermaid.png',
             description: {
-                "en-US": `<p>When searching for things in the editor, a new toolbar in
-                             the workspace provides options to quickly jump between
-                             the search results.</p>`,
-                "ja": `<p>ワークスペース内の新しいツールバーにあるオプションによって、エディタ内を検索する際に、検索結果の間を素早く移動できます。</p>`
+                "en-US": `<p>You can also add <a href="https://github.com/mermaid-js/mermaid">Mermaid</a> diagrams directly into your node or flow descriptions.</p>
+                          <p>This gives you much richer options for documenting your flows.</p>`,
+                // "ja": ``
             },
         },
         {
             title: {
-                "en-US": "New wiring actions",
-                "ja": "新しいワイヤー操作"
+                "en-US": "Managing Global Environment Variables",
+                // "ja": ""
             },
-            image: "images/split-wire-with-links.gif",
+            image: 'images/global-env-vars.png',
             description: {
-                "en-US": `<p>A new action has been added that will replace a wire with a pair of connected Link nodes:</p>
-                          <ul>
-                          <li><b><code>Split Wire With Link Nodes</code></b></li>
-                          </ul>
-                          <p>Actions can be accessed from the Action List in the main menu.</p>`,
-                "ja": `<p>ワイヤーを、接続されたLinkノードのペアに置き換える動作が新たに追加されました:</p>
-                       <ul>
-                       <li><b><code>ワイヤーをlinkノードで分割</code></b></li>
-                       </ul>
-                       <p>本アクションは、メインメニュー内の動作一覧から呼び出せます。</p>`,
+                "en-US": `<p>You can set environment variables that apply to all nodes and flows in the new
+                          'Global Environment Variables' section of User Settings.</p>`,
+                // "ja": ``
             },
         },
-        {
-            title: {
-                "en-US": "Default node names",
-                "ja": "標準ノードの名前"
-            },
-            // image: "images/",
-            description: {
-                "en-US": `<p>Some nodes have been updated to generate a unique name when
-                             new instances are added to the workspace. This applies to
-                             <code>Debug</code>, <code>Function</code> and <code>Link</code> nodes.</p>
-                          <p>A new action has also been added to generate default names for the selected
-                             nodes:</p>
-                             <ul>
-                             <li><b><code>Generate Node Names</code></b></li>
-                             </ul><p>Actions can be accessed from the Action List in the main menu.</p>
-                            `,
-                "ja": `<p>一部のノードは、ワークスペース上に新インスタンスとして追加した際に、一意の名前を付けるよう変更されました。この変更は、<code>Debug</code>、<code>Function</code>、<code>Link</code>ノードに適用されています。</p>
-                       <p>選択したノードに対して、標準の名前を生成する動作も新たに追加されました:</p>
-                          <ul>
-                          <li><b><code>ノード名を生成</code></b></li>
-                          </ul><p>本アクションは、メインメニュー内の動作一覧から呼び出せます。</p>
-                         `
-            }
-        },
         {
             title: {
                 "en-US": "Node Updates",
@@ -139,16 +99,9 @@ export default {
             },
             // image: "images/",
             description: {
-                "en-US": `<ul>
-                            <li>The Debug node can be configured to count messages it receives</li>
-                            <li>The Link Call node can use a message property to dynamically target the link it should call</li>
-                            <li>The HTTP Request node can be preconfigured with HTTP headers</li>
-                          </ul>`,
-                "ja": `<ul>
-                         <li>Debugノードは、受信したメッセージの数をカウントするよう設定できるようになりました。</li>
-                         <li>Link Callノードは、メッセージのプロパティによって、呼び出し対象のlinkを動的に指定できるようになりました。</li>
-                         <li>HTTP Requestノードは、HTTPヘッダを事前設定できるようになりました。</li>
-                       </ul>`
+                "en-US": `<p>The core nodes have received lots of minor fixes, documentation updates and
+                          small enhancements. Check the full changelog in the Help sidebar for a full list.</p>`,
+                // "ja": ``
             }
         }
     ]

packages/node_modules/@node-red/nodes/core/common/20-inject.js

@@ -95,45 +95,64 @@ module.exports = function(RED) {
         }
 
         this.on("input", function(msg, send, done) {
-            var errors = [];
-            var props = this.props;
+            const errors = [];
+            let props = this.props;
             if (msg.__user_inject_props__ && Array.isArray(msg.__user_inject_props__)) {
                 props = msg.__user_inject_props__;
             }
             delete msg.__user_inject_props__;
-            props.forEach(p => {
-                var property = p.p;
-                var value = p.v ? p.v : '';
-                var valueType = p.vt ? p.vt : 'str';
+            props = [...props]
+            function evaluateProperty(doneEvaluating) {
+                if (props.length === 0) { 
+                    doneEvaluating()
+                    return
+                }
+                const p = props.shift()
+                const property = p.p;
+                const value = p.v ? p.v : '';
+                const valueType = p.vt ? p.vt : 'str';
 
-                if (!property) return;
-
-                if (valueType === "jsonata") {
-                    if (p.v) {
-                        try {
-                            var exp = RED.util.prepareJSONataExpression(p.v, node);
-                            var val = RED.util.evaluateJSONataExpression(exp, msg);
-                            RED.util.setMessageProperty(msg, property, val, true);
+                if (property) {
+                    if (valueType === "jsonata") {
+                        if (p.v) {
+                            try {
+                                var exp = RED.util.prepareJSONataExpression(p.v, node);
+                                var val = RED.util.evaluateJSONataExpression(exp, msg);
+                                RED.util.setMessageProperty(msg, property, val, true);
+                            }
+                            catch  (err) {
+                                errors.push(err.message);
+                            }
                         }
-                        catch  (err) {
-                            errors.push(err.message);
+                        evaluateProperty(doneEvaluating)
+                    } else {
+                        try {
+                            RED.util.evaluateNodeProperty(value, valueType, node, msg, (err, newValue) => {
+                                if (err) {
+                                    errors.push(err.toString())
+                                } else {
+                                    RED.util.setMessageProperty(msg,property,newValue,true);
+                                }
+                                evaluateProperty(doneEvaluating)
+                            })
+                        } catch (err) {
+                            errors.push(err.toString());
+                            evaluateProperty(doneEvaluating)
                         }
                     }
-                    return;
+                } else {
+                    evaluateProperty(doneEvaluating)
                 }
-                try {
-                    RED.util.setMessageProperty(msg,property,RED.util.evaluateNodeProperty(value, valueType, this, msg),true);
-                } catch (err) {
-                    errors.push(err.toString());
-                }
-            });
-
-            if (errors.length) {
-                done(errors.join('; '));
-            } else {
-                send(msg);
-                done();
             }
+           
+            evaluateProperty(() => {
+                if (errors.length) {
+                    done(errors.join('; '));
+                } else {
+                    send(msg);
+                    done();
+                }
+            })
         });
     }
 

packages/node_modules/@node-red/nodes/core/common/25-catch.html

@@ -4,7 +4,7 @@
         <label style="width: auto" for="node-input-scope" data-i18n="catch.label.source"></label>
         <select id="node-input-scope-select">
             <option value="all" data-i18n="catch.scope.all"></option>
-            <option value="target" data-i18n="catch.scope.selected"></options>
+            <option value="target" data-i18n="catch.scope.selected"></option>
         </select>
     </div>
     <div class="form-row node-input-uncaught-row">

packages/node_modules/@node-red/nodes/core/common/25-status.html

@@ -4,7 +4,7 @@
         <label style="width: auto" for="node-input-scope" data-i18n="status.label.source"></label>
         <select id="node-input-scope-select">
             <option value="all" data-i18n="status.scope.all"></option>
-            <option value="target" data-i18n="status.scope.selected"></options>
+            <option value="target" data-i18n="status.scope.selected"></option>
         </select>
     </div>
     <div class="form-row node-input-target-row">

packages/node_modules/@node-red/nodes/core/common/91-global-config.html

@@ -0,0 +1,27 @@
+<script type="text/html" data-template-name="global-config">
+　　<div class="form-row">
+        <label style="width: 100%"><span data-i18n="global-config.label.open-conf"></span>:</label>
+    </div>
+    <div class="form-row">
+        <button class="red-ui-button" type="button" id="node-input-edit-env-var" data-i18n="editor:env-var.header" style="margin-left: 20px"></button>
+    </div>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('global-config',{
+        category: 'config',
+        defaults: {
+            name: { value: "" },
+            env: { value: [] },
+        },
+        credentials: {
+            map: { type: "map" }
+        },
+        oneditprepare: function() {
+            $('#node-input-edit-env-var').on('click', function(evt) {
+                RED.actions.invoke('core:show-user-settings', 'envvar')
+            });
+        },
+        hasUsers: false
+    });
+</script>

packages/node_modules/@node-red/nodes/core/common/91-global-config.js

@@ -0,0 +1,7 @@
+module.exports = function(RED) {
+    "use strict";
+    function GlobalConfigNode(n) {
+        RED.nodes.createNode(this,n);
+    }
+    RED.nodes.registerType("global-config", GlobalConfigNode);
+}

packages/node_modules/@node-red/nodes/core/function/10-function.html

@@ -17,6 +17,8 @@
             display: flex;
             background: var(--red-ui-tertiary-background);
             padding-right: 75px;
+            border-top-left-radius: 3px;
+            border-top-right-radius: 3px;
         }
         #node-input-libs-container-row .red-ui-editableList-header > div {
             flex-grow: 1;

packages/node_modules/@node-red/nodes/core/function/15-change.js

@@ -318,7 +318,7 @@ module.exports = function(RED) {
             }
             var r = node.rules[currentRule];
             if (r.t === "move") {
-                if ((r.tot !== r.pt) || (r.p.indexOf(r.to) !== -1)) {
+                if ((r.tot !== r.pt) || (r.p.indexOf(r.to) !== -1) && (r.p !== r.to)) {
                     applyRule(msg,{t:"set", p:r.to, pt:r.tot, to:r.p, tot:r.pt},(err,msg) => {
                         applyRule(msg,{t:"delete", p:r.p, pt:r.pt}, (err,msg) => {
                             completeApplyingRules(msg,currentRule,done);

packages/node_modules/@node-red/nodes/core/function/16-range.html

@@ -10,6 +10,7 @@
             <option value="scale" data-i18n="range.scale.payload"></option>
             <option value="clamp" data-i18n="range.scale.limit"></option>
             <option value="roll" data-i18n="range.scale.wrap"></option>
+            <option value="drop" data-i18n="range.scale.drop"></option>
         </select>
     </div>
     <br/>

packages/node_modules/@node-red/nodes/core/function/16-range.js

@@ -32,11 +32,15 @@ module.exports = function(RED) {
             if (value !== undefined) {
                 var n = Number(value);
                 if (!isNaN(n)) {
-                    if (node.action == "clamp") {
+                    if (node.action === "drop") {
+                        if (n < node.minin) { done(); return; }
+                        if (n > node.maxin) { done(); return; }
+                    }
+                    if (node.action === "clamp") {
                         if (n < node.minin) { n = node.minin; }
                         if (n > node.maxin) { n = node.maxin; }
                     }
-                    if (node.action == "roll") {
+                    if (node.action === "roll") {
                         var divisor = node.maxin - node.minin;
                         n = ((n - node.minin) % divisor + divisor) % divisor + node.minin;
                     }

packages/node_modules/@node-red/nodes/core/function/80-template.html

@@ -21,6 +21,7 @@
                 <option value="javascript">JavaScript</option>
                 <option value="css">CSS</option>
                 <option value="markdown">Markdown</option>
+                <option value="php">PHP</option>
                 <option value="python">Python</option>
                 <option value="sql">SQL</option>
                 <option value="yaml">YAML</option>

packages/node_modules/@node-red/nodes/core/function/89-delay.js

@@ -201,6 +201,7 @@ module.exports = function(RED) {
             });
             node.on("close", function() { clearDelayList(); });
         }
+
         else if (node.pauseType === "random") {
             node.on("input", function(msg, send, done) {
                 var wait = node.randomFirst + (node.diff * Math.random());
@@ -226,34 +227,19 @@ module.exports = function(RED) {
         // The rate limit/queue type modes
         else if (node.pauseType === "rate") {
             node.on("input", function(msg, send, done) {
-                if (msg.hasOwnProperty("reset")) {
-                    if (node.intervalID !== -1 ) {
-                        clearInterval(node.intervalID);
-                        node.intervalID = -1;
-                    }
-                    delete node.lastSent;
-                    node.buffer = [];
-                    node.rate = node.fixedrate;
-                    node.status({fill:"blue",shape:"ring",text:0});
-                    done();
-                    return;
-                }
-
                 if (!node.drop) {
                     var m = RED.util.cloneMessage(msg);
-                    delete m.flush;
-                    delete m.lifo;
                     if (Object.keys(m).length > 1) {
                         if (node.intervalID !== -1) {
-                            if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate)) && node.rate !== msg.rate) {
-                                node.rate = msg.rate;
+                            if (node.allowrate && m.hasOwnProperty("rate") && !isNaN(parseFloat(m.rate)) && node.rate !== m.rate) {
+                                node.rate = m.rate;
                                 clearInterval(node.intervalID);
                                 node.intervalID = setInterval(sendMsgFromBuffer, node.rate);
                             }
                             var max_msgs = maxKeptMsgsCount(node);
                             if ((max_msgs > 0) && (node.buffer.length >= max_msgs)) {
                                 node.buffer = [];
-                                node.error(RED._("delay.errors.too-many"), msg);
+                                node.error(RED._("delay.errors.too-many"), m);
                             } else if (msg.toFront === true) {
                                 node.buffer.unshift({msg: m, send: send, done: done});
                                 node.reportDepth();
@@ -263,8 +249,8 @@ module.exports = function(RED) {
                             }
                         }
                         else {
-                            if (node.allowrate && msg.hasOwnProperty("rate") && !isNaN(parseFloat(msg.rate))) {
-                                node.rate = msg.rate;
+                            if (node.allowrate && m.hasOwnProperty("rate") && !isNaN(parseFloat(m.rate))) {
+                                node.rate = m.rate;
                             }
                             send(m);
                             node.reportDepth();
@@ -282,6 +268,8 @@ module.exports = function(RED) {
                         else {
                             while (len > 0) {
                                 const msgInfo = node.buffer.shift();
+                                delete msgInfo.msg.flush;
+                                delete msgInfo.msg.reset;
                                 if (Object.keys(msgInfo.msg).length > 1) {
                                     node.send(msgInfo.msg);
                                     msgInfo.done();
@@ -335,6 +323,21 @@ module.exports = function(RED) {
                     }
                     done();
                 }
+
+                if (msg.hasOwnProperty("reset")) {
+                    if (msg.flush === undefined) {
+                        if (node.intervalID !== -1 ) {
+                            clearInterval(node.intervalID);
+                            node.intervalID = -1;
+                        }
+                        delete node.lastSent;
+                    }
+                    node.buffer = [];
+                    node.rate = node.fixedrate;
+                    node.status({fill:"blue",shape:"ring",text:0});
+                    done();
+                    return;
+                }
             });
             node.on("close", function() {
                 clearInterval(node.intervalID);
@@ -387,6 +390,22 @@ module.exports = function(RED) {
                     node.buffer.push({msg, send, done}); // if not add to end of queue
                     node.reportDepth();
                 }
+                if (msg.hasOwnProperty("flush")) {
+                    var len = node.buffer.length;
+                    if (typeof(msg.flush) == 'number') { len = Math.min(Math.floor(msg.flush,len)); }
+                    while (len > 0) {
+                        const msgInfo = node.buffer.shift();
+                        delete msgInfo.msg.flush;
+                        delete msgInfo.msg.reset;
+                        if (Object.keys(msgInfo.msg).length > 2) {
+                            node.send(msgInfo.msg);
+                            msgInfo.done();
+                        }
+                        len = len - 1;
+                    }
+                    node.status({});
+                    done();
+                }
                 if (msg.hasOwnProperty("reset")) {
                     while (node.buffer.length > 0) {
                         const msgInfo = node.buffer.shift();
@@ -397,21 +416,6 @@ module.exports = function(RED) {
                     node.status({text:"reset"});
                     done();
                 }
-                if (msg.hasOwnProperty("flush")) {
-                    var len = node.buffer.length;
-                    if (typeof(msg.flush) == 'number') { len = Math.min(Math.floor(msg.flush,len)); }
-                    while (len > 0) {
-                        const msgInfo = node.buffer.shift();
-                        delete msgInfo.msg.flush;
-                        if (Object.keys(msgInfo.msg).length > 2) {
-                            node.send(msgInfo.msg);
-                            msgInfo.done();
-                        }
-                        len = len - 1;
-                    }
-                    node.status({});
-                    done();
-                }
             });
             node.on("close", function() {
                 clearInterval(node.intervalID);

packages/node_modules/@node-red/nodes/core/function/89-trigger.html

@@ -25,7 +25,7 @@
         <select id="node-then-type" style="width:70%;">
             <option value="block" data-i18n="trigger.wait-reset"></option>
             <option value="wait" data-i18n="trigger.wait-for"></option>
-            <option value="loop" data-i18n="trigger.wait-loop"></option>
+            <option id="node-trigger-wait-loop" value="loop" data-i18n="trigger.wait-loop"></option>
         </select>
     </div>
     <div class="form-row node-type-duration">
@@ -181,6 +181,13 @@
                 $("#node-input-op2type").val('str');
             }
 
+            $("#node-input-op1").on("change", function() {
+                if ($("#node-input-op1type").val() === "nul") {
+                    $("#node-trigger-wait-loop").hide();
+                }
+                else { $("#node-trigger-wait-loop").show(); }
+            });
+
             var optionNothing = {value:"nul",label:this._("trigger.output.nothing"),hasValue:false};
             var optionPayload = {value:"pay",label:this._("trigger.output.existing"),hasValue:false};
             var optionOriginalPayload = {value:"pay",label:this._("trigger.output.original"),hasValue:false};

packages/node_modules/@node-red/nodes/core/network/10-mqtt.html

@@ -421,7 +421,11 @@
 <script type="text/javascript">
 (function() {
 
-    var typedInputNoneOpt = { value: 'none', label: '', hasValue: false };
+    var typedInputNoneOpt = {
+        value: 'none',
+        label: RED._("node-red:mqtt.label.none"),
+        hasValue: false
+    };
     var makeTypedInputOpt = function(value){
         return {
             value: value,
@@ -436,7 +440,11 @@
         makeTypedInputOpt("text/csv"),
         makeTypedInputOpt("text/html"),
         makeTypedInputOpt("text/plain"),
-        {value:"other", label:""}
+        {
+            value: "other",
+            label: RED._("node-red:mqtt.label.other"),
+            icon: "red/images/typedInput/az.svg"
+        }
     ];
 
     function getDefaultContentType(value) {
@@ -499,17 +507,17 @@
             cleansession: {value: true},
             birthTopic: {value:"", validate:validateMQTTPublishTopic},
             birthQos: {value:"0"},
-            birthRetain: {value:false},
+            birthRetain: {value:"false"},
             birthPayload: {value:""},
             birthMsg: { value: {}},
             closeTopic: {value:"", validate:validateMQTTPublishTopic},
             closeQos: {value:"0"},
-            closeRetain: {value:false},
+            closeRetain: {value:"false"},
             closePayload: {value:""},
             closeMsg: { value: {}},
             willTopic: {value:"", validate:validateMQTTPublishTopic},
             willQos: {value:"0"},
-            willRetain: {value:false},
+            willRetain: {value:"false"},
             willPayload: {value:""},
             willMsg: { value: {}},
             userProps: { value: ""},

packages/node_modules/@node-red/nodes/core/network/10-mqtt.js

@@ -295,7 +295,7 @@ module.exports = function(RED) {
                         /* mute error - it simply isnt JSON, just leave payload as a string */
                     }
                 }
-            } //else { 
+            } //else {
                 //leave as buffer
             //}
         }
@@ -357,7 +357,7 @@ module.exports = function(RED) {
                         return;
                     }
                     done(err);
-                }); 
+                });
             } else {
                 done();
             }
@@ -366,6 +366,16 @@ module.exports = function(RED) {
         }
     }
 
+    function updateStatus(node, allNodes) {
+        let setStatus = setStatusDisconnected
+        if(node.connecting) {
+            setStatus = setStatusConnecting
+        } else if(node.connected) {
+            setStatus = setStatusConnected
+        }
+        setStatus(node, allNodes)
+    }
+
     function setStatusDisconnected(node, allNodes) {
         if(allNodes) {
             for (var id in node.users) {
@@ -459,7 +469,6 @@ module.exports = function(RED) {
             if(!opts || typeof opts !== "object") {
                 return; //nothing to change, simply return
             }
-            const originalBrokerURL = node.brokerurl;
 
             //apply property changes (only if the property exists in the opts object)
             setIfHasProperty(opts, node, "url", init);
@@ -468,7 +477,6 @@ module.exports = function(RED) {
             setIfHasProperty(opts, node, "clientid", init);
             setIfHasProperty(opts, node, "autoConnect", init);
             setIfHasProperty(opts, node, "usetls", init);
-            setIfHasProperty(opts, node, "usews", init);
             setIfHasProperty(opts, node, "verifyservercert", init);
             setIfHasProperty(opts, node, "compatmode", init);
             setIfHasProperty(opts, node, "protocolVersion", init);
@@ -571,9 +579,6 @@ module.exports = function(RED) {
             if (typeof node.usetls === 'undefined') {
                 node.usetls = false;
             }
-            if (typeof node.usews === 'undefined') {
-                node.usews = false;
-            }
             if (typeof node.verifyservercert === 'undefined') {
                 node.verifyservercert = false;
             }
@@ -702,16 +707,21 @@ module.exports = function(RED) {
             if (Object.keys(node.users).length === 1) {
                 if(node.autoConnect) {
                     node.connect();
+                    //update nodes status
+                    setTimeout(function() {
+                        updateStatus(node, true)
+                    }, 1)
                 }
             }
         };
 
-        node.deregister = function(mqttNode,done) {
+        node.deregister = function(mqttNode, done, autoDisconnect) {
             delete node.users[mqttNode.id];
-            if (!node.closing && node.connected && Object.keys(node.users).length === 0) {
-                node.disconnect();
+            if (autoDisconnect && !node.closing && node.connected && Object.keys(node.users).length === 0) {
+                node.disconnect(done);
+            } else {
+                done();
             }
-            done();
         };
         node.canConnect = function() {
             return !node.connected && !node.connecting;
@@ -845,7 +855,7 @@ module.exports = function(RED) {
             let waitEnd = (client, ms) => {
                 return new Promise( (resolve, reject) => {
                     node.closing = true;
-                    if(!client) { 
+                    if(!client) {
                         resolve();
                      } else {
                         const t = setTimeout(() => {
@@ -1000,7 +1010,7 @@ module.exports = function(RED) {
                     node.client.publish(msg.topic, msg.payload, options, function (err) {
                         if (done) {
                             done(err)
-                        } else {
+                        } else if(err) {
                             node.error(err, msg)
                         }
                     })
@@ -1024,7 +1034,7 @@ module.exports = function(RED) {
 
         /**
          * Add event handlers to the MQTT.js client and track them so that
-         * we do not remove any handlers that the MQTT client uses internally.  
+         * we do not remove any handlers that the MQTT client uses internally.
          * Use {@link node._clientRemoveListeners `node._clientRemoveListeners`} to remove handlers
          * @param {string} event The name of the event
          * @param {function} handler The handler for this event
@@ -1032,11 +1042,11 @@ module.exports = function(RED) {
          node._clientOn = function(event, handler) {
             node.clientListeners.push({event, handler})
             node.client.on(event, handler)
-        } 
+        }
 
         /**
-         * Remove event handlers from the MQTT.js client & only the events 
-         * that we attached in {@link node._clientOn `node._clientOn`}.  
+         * Remove event handlers from the MQTT.js client & only the events
+         * that we attached in {@link node._clientOn `node._clientOn`}.
          * * If `event` is omitted, then all events matching `handler` are removed
          * * If `handler` is omitted, then all events named `event` are removed
          * * If both parameters are omitted, then all events are removed
@@ -1225,7 +1235,7 @@ module.exports = function(RED) {
                     } else {
                         node.brokerConn.unsubscribe(node.topic,node.id, removed);
                     }
-                    node.brokerConn.deregister(node, done);
+                    node.brokerConn.deregister(node, done, removed);
                     node.brokerConn = null;
                 } else {
                     done();
@@ -1288,9 +1298,9 @@ module.exports = function(RED) {
                 node.status({fill:"green",shape:"dot",text:"node-red:common.status.connected"});
             }
             node.brokerConn.register(node);
-            node.on('close', function(done) {
+            node.on('close', function(removed, done) {
                 if (node.brokerConn) {
-                    node.brokerConn.deregister(node,done);
+                    node.brokerConn.deregister(node, done, removed)
                     node.brokerConn = null;
                 } else {
                     done();

packages/node_modules/@node-red/nodes/core/network/21-httpin.js

@@ -46,7 +46,7 @@ module.exports = function(RED) {
                     isText = true;
                 } else if (parsedType.type !== "application") {
                     isText = false;
-                } else if ((parsedType.subtype !== "octet-stream") 
+                } else if ((parsedType.subtype !== "octet-stream")
                     && (parsedType.subtype !== "cbor")
                     && (parsedType.subtype !== "x-protobuf")) {
                     checkUTF = true;
@@ -200,6 +200,15 @@ module.exports = function(RED) {
             this.callback = function(req,res) {
                 var msgid = RED.util.generateId();
                 res._msgid = msgid;
+                // Since Node 15, req.headers are lazily computed and the property
+                // marked as non-enumerable.
+                // That means it doesn't show up in the Debug sidebar.
+                // This redefines the property causing it to be evaluated *and*
+                // marked as enumerable again.
+                Object.defineProperty(req, 'headers', {
+                    value: req.headers,
+                    enumerable: true
+                })
                 if (node.method.match(/^(post|delete|put|options|patch)$/)) {
                     node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.body});
                 } else if (node.method == "get") {

packages/node_modules/@node-red/nodes/core/network/21-httprequest.js

@@ -435,6 +435,10 @@ in your Node-RED user directory (${RED.settings.userDir}).
                                     formData.append(opt, val);
                                 } else if (typeof val === 'object' && val.hasOwnProperty('value')) {
                                     formData.append(opt,val.value,val.options || {});
+                                } else if (Array.isArray(val)) {
+                                    for (var i=0; i<val.length; i++) {
+                                        formData.append(opt, val[i])
+                                    }
                                 } else {
                                     formData.append(opt,JSON.stringify(val));
                                 }

packages/node_modules/@node-red/nodes/core/network/31-tcpin.js

@@ -86,7 +86,7 @@ module.exports = function(RED) {
         this.topic = n.topic;
         this.stream = (!n.datamode||n.datamode=='stream'); /* stream,single*/
         this.datatype = n.datatype||'buffer'; /* buffer,utf8,base64 */
-        this.newline = (n.newline||"").replace("\\n","\n").replace("\\r","\r").replace("\\t","\t");
+        this.newline = (n.newline||"").replace(/\\n/g,"\n").replace(/\\r/g,"\r").replace(/\\t/g,"\t");
         this.base64 = n.base64;
         this.trim = n.trim || false;
         this.server = (typeof n.server == 'boolean')?n.server:(n.server == "server");

packages/node_modules/@node-red/nodes/core/parsers/70-CSV.js

@@ -19,9 +19,9 @@ module.exports = function(RED) {
     function CSVNode(n) {
         RED.nodes.createNode(this,n);
         this.template = (n.temp || "");
-        this.sep = (n.sep || ',').replace("\\t","\t").replace("\\n","\n").replace("\\r","\r");
+        this.sep = (n.sep || ',').replace(/\\t/g,"\t").replace(/\\n/g,"\n").replace(/\\r/g,"\r");
         this.quo = '"';
-        this.ret = (n.ret || "\n").replace("\\n","\n").replace("\\r","\r");
+        this.ret = (n.ret || "\n").replace(/\\n/g,"\n").replace(/\\r/g,"\r");
         this.winflag = (this.ret === "\r\n");
         this.lineend = "\n";
         this.multi = n.multi || "one";
@@ -110,7 +110,12 @@ module.exports = function(RED) {
                                         if (msg.payload[s].hasOwnProperty(p)) {
                                             /* istanbul ignore else */
                                             if (typeof msg.payload[s][p] !== "object") {
-                                                var q = "" + msg.payload[s][p];
+                                            // Fix to honour include null values flag
+                                            //if (typeof msg.payload[s][p] !== "object" || (node.include_null_values === true && msg.payload[s][p] === null)) {
+                                                var q = "";
+                                                if (msg.payload[s][p] !== undefined) {
+                                                    q += msg.payload[s][p];
+                                                }
                                                 if (q.indexOf(node.quo) !== -1) { // add double quotes if any quotes
                                                     q = q.replace(/"/g, '""');
                                                     ou += node.quo + q + node.quo + node.sep;
@@ -130,9 +135,15 @@ module.exports = function(RED) {
                                             ou += node.sep;
                                         }
                                         else {
-                                            var p = RED.util.ensureString(RED.util.getMessageProperty(msg,"payload["+s+"]['"+template[t]+"']"));
+                                            var tt = template[t];
+                                            if (template[t].indexOf('"') >=0 ) { tt = "'"+tt+"'"; }
+                                            else { tt = '"'+tt+'"'; }
+                                            var p = RED.util.getMessageProperty(msg,'payload["'+s+'"]['+tt+']');
                                             /* istanbul ignore else */
-                                            if (p === "undefined") { p = ""; }
+                                            if (p === undefined) { p = ""; }
+                                            // fix to honour include null values flag
+                                            //if (p === null && node.include_null_values !== true) { p = "";}
+                                            p = RED.util.ensureString(p);
                                             if (p.indexOf(node.quo) !== -1) { // add double quotes if any quotes
                                                 p = p.replace(/"/g, '""');
                                                 ou += node.quo + p + node.quo + node.sep;

packages/node_modules/@node-red/nodes/core/sequence/17-split.html

@@ -224,7 +224,12 @@
         outputs:1,
         icon: "join.svg",
         label: function() {
-            return this.name||this._("join.join");
+            var nam = this.name||this._("join.join");
+            if (this.mode === "custom" && !isNaN(Number(this.count))) {
+                nam += " "+this.count;
+                if (this.accumulate === true) { nam+= "+"; }
+            }
+            return nam;
         },
         labelStyle: function() {
             return this.name?"node_label_italic":"";

packages/node_modules/@node-red/nodes/core/sequence/17-split.js

@@ -251,7 +251,9 @@ module.exports = function(RED) {
                         }
                         else {
                             node.buffer = buff.slice(p,buff.length);
-                            node.pendingDones.push(done);
+                            if (node.buffer.length > 0) {
+                                node.pendingDones.push(done);
+                            }
                         }
                         if (node.buffer.length == 0) {
                             done();

packages/node_modules/@node-red/nodes/core/sequence/19-batch.html

@@ -107,7 +107,14 @@
         outputs:1,
         icon: "batch.svg",
         label: function() {
-            return this.name||this._("batch.batch");;
+            var nam = this.name||this._("batch.batch");
+            if (this.mode === "count" && !isNaN(Number(this.count))) {
+                nam += " "+this.count;
+            }
+            if (this.mode === "interval" && !isNaN(Number(this.interval))) {
+                nam += " "+this.interval+"s";
+            }
+            return nam;
         },
         labelStyle: function() {
             return this.name ? "node_label_italic" : "";