diff --git a/packages/node_modules/@node-red/editor-api/lib/admin/nodes.js b/packages/node_modules/@node-red/editor-api/lib/admin/nodes.js
index 187bd823f..058053a29 100644
--- a/packages/node_modules/@node-red/editor-api/lib/admin/nodes.js
+++ b/packages/node_modules/@node-red/editor-api/lib/admin/nodes.js
@@ -60,6 +60,7 @@ module.exports = {
         runtimeAPI.nodes.addModule(opts).then(function(info) {
             res.json(info);
         }).catch(function(err) {
+            console.log(err.stack);
             apiUtils.rejectHandler(req,res,err);
         })
     },
diff --git a/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json b/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
index 0b92fc18c..7894f1ed2 100755
--- a/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
+++ b/packages/node_modules/@node-red/editor-client/locales/en-US/editor.json
@@ -339,6 +339,17 @@
         "deleteSubflow": "delete subflow",
         "info": "Description",
         "category": "Category",
+        "module": "Module",
+        "license": "License",
+        "licenseOther": "Other",
+        "type": "Node Type",
+        "version": "Version",
+        "versionPlaceholder": "x.y.z",
+        "keys": "Keywords",
+        "keysPlaceholder": "Comma-separated keywords",
+        "author": "Author",
+        "authorPlaceholder": "Your Name <email@example.com>",
+        "desc": "Description",
         "env": {
             "restore": "Restore to subflow default",
             "remove": "Remove environment variable"
@@ -1079,6 +1090,7 @@
     "editor-tab": {
         "properties": "Properties",
         "envProperties": "Environment Variables",
+        "module": "Module Properties",
         "description": "Description",
         "appearance": "Appearance",
         "preview": "UI Preview",
diff --git a/packages/node_modules/@node-red/editor-client/locales/ja/editor.json b/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
index f5774d57d..5d6c6ebf6 100644
--- a/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
+++ b/packages/node_modules/@node-red/editor-client/locales/ja/editor.json
@@ -339,6 +339,12 @@
         "deleteSubflow": "サブフローを削除",
         "info": "詳細",
         "category": "カテゴリ",
+        "module": "モジュール",
+        "license": "ライセンス",
+        "version": "バージョン",
+        "keys": "キーワード",
+        "author": "作者",
+        "desc": "説明",
         "env": {
             "restore": "デフォルト値に戻す",
             "remove": "環境変数を削除"
diff --git a/packages/node_modules/@node-red/editor-client/src/js/nodes.js b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
index 0d664ce3c..3e513de08 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/nodes.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/nodes.js
@@ -670,6 +670,7 @@ RED.nodes = (function() {
         node.in = [];
         node.out = [];
         node.env = n.env;
+        node.meta = n.meta;
 
         if (exportCreds) {
             var credentialSet = {};
@@ -1920,6 +1921,18 @@ RED.nodes = (function() {
         RED.events.emit("groups:remove",group);
     }
 
+    function getNodeHelp(type) {
+        var helpContent = "";
+        var helpElement = $("script[data-help-name='"+type+"']");
+        if (helpElement) {
+            helpContent = helpElement.html();
+            var helpType = helpElement.attr("type");
+            if (helpType === "text/markdown") {
+                helpContent = RED.utils.renderMarkdown(helpContent);
+            }
+        }
+        return helpContent;
+    }
 
     return {
         init: function() {
@@ -1999,6 +2012,7 @@ RED.nodes = (function() {
 
         registerType: registry.registerNodeType,
         getType: registry.getNodeType,
+        getNodeHelp: getNodeHelp,
         convertNode: convertNode,
 
         add: addNode,
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
index 4488f86c0..e8c0daa39 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
@@ -414,18 +414,20 @@ RED.editor = (function() {
         for (var cred in credDefinition) {
             if (credDefinition.hasOwnProperty(cred)) {
                 var input = $("#" + prefix + '-' + cred);
-                var value = input.val();
-                if (credDefinition[cred].type == 'password') {
-                    node.credentials['has_' + cred] = (value !== "");
-                    if (value == '__PWRD__') {
-                        continue;
-                    }
-                    changed = true;
+                if (input.length > 0) {
+                    var value = input.val();
+                    if (credDefinition[cred].type == 'password') {
+                        node.credentials['has_' + cred] = (value !== "");
+                        if (value == '__PWRD__') {
+                            continue;
+                        }
+                        changed = true;
 
-                }
-                node.credentials[cred] = value;
-                if (value != node.credentials._[cred]) {
-                    changed = true;
+                    }
+                    node.credentials[cred] = value;
+                    if (value != node.credentials._[cred]) {
+                        changed = true;
+                    }
                 }
             }
         }
@@ -465,6 +467,7 @@ RED.editor = (function() {
                     definition.oneditprepare.call(node);
                 } catch(err) {
                     console.log("oneditprepare",node.id,node.type,err.toString());
+                    console.log(err.stack);
                 }
             }
             // Now invoke any change handlers added to the fields - passing true
@@ -1192,7 +1195,7 @@ RED.editor = (function() {
                                     changed = true;
                                 }
                             } catch(err) {
-                                console.log("oneditsave",editing_node.id,editing_node.type,err.toString());
+                                console.warn("oneditsave",editing_node.id,editing_node.type,err.toString());
                             }
 
                             for (d in editing_node._def.defaults) {
@@ -1890,7 +1893,7 @@ RED.editor = (function() {
                         try {
                             configTypeDef.oneditsave.call(editing_config_node);
                         } catch(err) {
-                            console.log("oneditsave",editing_config_node.id,editing_config_node.type,err.toString());
+                            console.warn("oneditsave",editing_config_node.id,editing_config_node.type,err.toString());
                         }
                     }
 
@@ -2250,6 +2253,14 @@ RED.editor = (function() {
                             changed = true;
                         }
 
+                        var newMeta = RED.subflow.exportSubflowModuleProperties(editing_node);
+
+                        if (!isSameObj(editing_node.meta,newMeta)) {
+                            changes.meta = editing_node.meta;
+                            editing_node.meta = newMeta;
+                            changed = true;
+                        }
+
                         if (changed) {
                             var wasChanged = editing_node.changed;
                             editing_node.changed = true;
@@ -2356,6 +2367,16 @@ RED.editor = (function() {
                 };
                 editorTabs.addTab(nodePropertiesTab);
 
+                var moduleTab = {
+                    id: "editor-tab-module",
+                    label: RED._("editor-tab.module"),
+                    name: RED._("editor-tab.module"),
+                    content: $('<div>', {class:"red-ui-tray-content"}).appendTo(editorContent).hide(),
+                    iconClass: "fa fa-cube",
+                };
+                editorTabs.addTab(moduleTab);
+                RED.subflow.buildModuleForm(moduleTab.content, editing_node);
+
                 var descriptionTab = {
                     id: "editor-tab-description",
                     label: RED._("editor-tab.description"),
@@ -2457,7 +2478,7 @@ RED.editor = (function() {
                                     changed = true;
                                 }
                             } catch(err) {
-                                console.log("oneditsave",editing_node.id,editing_node.type,err.toString());
+                                console.warn("oneditsave",editing_node.id,editing_node.type,err.toString());
                             }
 
                             for (d in editing_node._def.defaults) {
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
index ecee89d70..bd0b55cba 100755
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/palette.js
@@ -147,7 +147,7 @@ RED.palette = (function() {
         var popOverContent;
         try {
             var l = "<p><b>"+RED.text.bidi.enforceTextDirectionWithUCC(label)+"</b></p>";
-            popOverContent = $('<div></div>').append($(l+(info?info:$("script[data-help-name='"+type+"']").html()||"<p>"+RED._("palette.noInfo")+"</p>").trim())
+            popOverContent = $('<div></div>').append($(l+(info?info:RED.nodes.getNodeHelp(type)||"<p>"+RED._("palette.noInfo")+"</p>").trim())
                                 .filter(function(n) {
                                     return (this.nodeType == 1 && this.nodeName == "P") || (this.nodeType == 3 && this.textContent.trim().length > 0)
                                 }).slice(0,2));
@@ -264,27 +264,6 @@ RED.palette = (function() {
 
             d.data('popover',popover);
 
-            // $(d).popover({
-            //     title:d.type,
-            //     placement:"right",
-            //     trigger: "hover",
-            //     delay: { show: 750, hide: 50 },
-            //     html: true,
-            //     container:'body'
-            // });
-            // d.on("click", function() {
-            //     RED.view.focus();
-            //     var helpText;
-            //     if (nt.indexOf("subflow:") === 0) {
-            //         helpText = RED.utils.renderMarkdown(RED.nodes.subflow(nt.substring(8)).info||"")||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>');
-            //     } else {
-            //         helpText = $("script[data-help-name='"+d.attr("data-palette-type")+"']").html()||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>');
-            //     }
-            //     // Don't look too closely. RED.sidebar.info.set will set the 'Description'
-            //     // section of the sidebar. Pass in the title of the Help section so it looks
-            //     // right.
-            //     RED.sidebar.type.show(helpText,RED._("sidebar.info.nodeHelp"));
-            // });
             var chart = $("#red-ui-workspace-chart");
             var chartSVG = $("#red-ui-workspace-chart>svg").get(0);
             var activeSpliceLink;
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js b/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
index e89f3c235..b4cf4be08 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/subflow.js
@@ -47,6 +47,37 @@ RED.subflow = (function() {
         '</div>'+
         '</script>';
 
+    var _subflowModulePaneTemplate = '<form class="dialog-form form-horizontal" autocomplete="off">'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-module" data-i18n="[append]editor:subflow.module"><i class="fa fa-cube"></i> </label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-module" data-i18n="[placeholder]common.label.name">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-type" data-i18n="[append]editor:subflow.type"> </label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-type">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-version" data-i18n="[append]editor:subflow.version"></label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-version" data-i18n="[placeholder]editor:subflow.versionPlaceholder">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-desc" data-i18n="[append]editor:subflow.desc"></label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-desc">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-license" data-i18n="[append]editor:subflow.license"></label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-license">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-author" data-i18n="[append]editor:subflow.author"></label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-author" data-i18n="[placeholder]editor:subflow.authorPlaceholder">'+
+        '</div>'+
+        '<div class="form-row">'+
+            '<label for="subflow-input-module-keywords" data-i18n="[append]editor:subflow.keys"></label>'+
+            '<input style="width: calc(100% - 110px)" type="text" id="subflow-input-module-keywords" data-i18n="[placeholder]editor:subflow.keysPlaceholder">'+
+        '</div>'+
+    '</form>';
+
     function findAvailableSubflowIOPosition(subflow,isInput) {
         var pos = {x:50,y:30};
         if (!isInput) {
@@ -993,6 +1024,7 @@ RED.subflow = (function() {
                                 icon: "",
                                 type: "cred"
                             }
+                            opt.ui.type = "cred";
                         } else {
                             opt.ui = opt.ui || {
                                 icon: "",
@@ -1488,6 +1520,7 @@ RED.subflow = (function() {
         var locale = RED.i18n.lang();
         var labelText = lookupLabel(labels, labels["en-US"]||tenv.name, locale);
         var label = $('<label>').appendTo(row);
+        $('<span>&nbsp;</span>').appendTo(row);
         var labelContainer = $('<span></span>').appendTo(label);
         if (ui.icon) {
             var newPath = RED.utils.separateIconPath(ui.icon);
@@ -1723,22 +1756,54 @@ RED.subflow = (function() {
                     parentEnv[env.name] = item;
                 })
             }
-        }
-
-        if (node.env) {
-            for (var i = 0; i < node.env.length; i++) {
-                var env = node.env[i];
-                if (parentEnv.hasOwnProperty(env.name)) {
-                    parentEnv[env.name].type = env.type;
-                    parentEnv[env.name].value = env.value;
-                } else {
-                    // envList.push({
-                    //     name: env.name,
-                    //     type: env.type,
-                    //     value: env.value,
-                    // });
+            if (node.env) {
+                for (var i = 0; i < node.env.length; i++) {
+                    var env = node.env[i];
+                    if (parentEnv.hasOwnProperty(env.name)) {
+                        parentEnv[env.name].type = env.type;
+                        parentEnv[env.name].value = env.value;
+                    } else {
+                        // envList.push({
+                        //     name: env.name,
+                        //     type: env.type,
+                        //     value: env.value,
+                        // });
+                    }
                 }
             }
+        } else if (node._def.subflowModule) {
+            var keys = Object.keys(node._def.defaults);
+            keys.forEach(function(name) {
+                if (name !== 'name') {
+                    var prop = node._def.defaults[name];
+                    var nodeProp = node[name];
+                    var nodePropType;
+                    var nodePropValue = nodeProp;
+                    if (prop.ui && prop.ui.type === "cred") {
+                        nodePropType = "cred";
+                    } else {
+                        switch(typeof nodeProp) {
+                            case "string": nodePropType = "str"; break;
+                            case "number": nodePropType = "num"; break;
+                            case "boolean": nodePropType = "bool"; nodePropValue = nodeProp?"true":"false"; break;
+                            default:
+                            nodePropType = nodeProp.type;
+                            nodePropValue = nodeProp.value;
+                        }
+                    }
+                    var item = {
+                        name: name,
+                        type: nodePropType,
+                        value: nodePropValue,
+                        parent: {
+                            type: prop.type,
+                            value: prop.value
+                        },
+                        ui: $.extend(true,{},prop.ui)
+                    }
+                    envList.push(item);
+                }
+            })
         }
         return envList;
     }
@@ -1859,6 +1924,122 @@ RED.subflow = (function() {
         buildPropertiesList(list, node);
     }
 
+    function setupInputValidation(input,validator) {
+        var errorTip;
+        var validateTimeout;
+
+        var validateFunction = function() {
+            if (validateTimeout) {
+                return;
+            }
+            validateTimeout = setTimeout(function() {
+                var error = validator(input.val());
+                // if (!error && errorTip) {
+                //     errorTip.close();
+                //     errorTip = null;
+                // } else if (error && !errorTip) {
+                //     errorTip = RED.popover.create({
+                //         tooltip: true,
+                //         target:input,
+                //         size: "small",
+                //         direction: "bottom",
+                //         content: error,
+                //     }).open();
+                // }
+                input.toggleClass("input-error",!!error);
+                validateTimeout = null;
+            })
+        }
+        input.on("change keyup paste", validateFunction);
+    }
+
+    function buildModuleForm(container, node) {
+        $(_subflowModulePaneTemplate).appendTo(container);
+        var moduleProps = node.meta || {};
+        [
+            'module',
+            'type',
+            'version',
+            'author',
+            'desc',
+            'keywords',
+            'license'
+        ].forEach(function(property) {
+            $("#subflow-input-module-"+property).val(moduleProps[property]||"")
+        })
+        $("#subflow-input-module-type").attr("placeholder",node.id);
+
+        setupInputValidation($("#subflow-input-module-module"), function(newValue) {
+            newValue = newValue.trim();
+            var isValid = newValue.length < 215;
+            isValid = isValid && !/^[._]/.test(newValue);
+            isValid = isValid && !/[A-Z]/.test(newValue);
+            if (newValue !== encodeURIComponent(newValue)) {
+                var m = /^@([^\/]+)\/([^\/]+)$/.exec(newValue);
+                if (m) {
+                    isValid = isValid && (m[1] === encodeURIComponent(m[1]) && m[2] === encodeURIComponent(m[2]))
+                } else {
+                    isValid = false;
+                }
+            }
+            return isValid?"":"Invalid module name"
+        })
+        setupInputValidation($("#subflow-input-module-version"), function(newValue) {
+            newValue = newValue.trim();
+            var isValid = newValue === "" ||
+                          /^(\d|[1-9]\d*)\.(\d|[1-9]\d*)\.(\d|[1-9]\d*)(-(0|[1-9A-Za-z-][0-9A-Za-z-]*|[0-9]*[A-Za-z-][0-9A-Za-z-]*)(\.(0|[1-9A-Za-z-][0-9A-Za-z-]*|[0-9]*[A-Za-z-][0-9A-Za-z-]*))*)?(\+[0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*)?$/.test(newValue);
+            return isValid?"":"Invalid version number"
+        })
+
+        var licenses = ["none", "Apache-2.0", "BSD-3-Clause", "BSD-2-Clause", "GPL-2.0", "GPL-3.0", "MIT", "MPL-2.0", "CDDL-1.0", "EPL-2.0"];
+        var typedLicenses = {
+            types: licenses.map(function(l) {
+                return {value:l,label:l,hasValue:false}
+            })
+        }
+        typedLicenses.types.push({
+            value:"_custom_", label:RED._("editor:subflow.licenseOther"), icon:"red/images/typedInput/az.svg"
+        })
+        if (!moduleProps.license) {
+            typedLicenses.default = "none";
+        } else if (licenses.indexOf(moduleProps.license) > -1) {
+            typedLicenses.default = moduleProps.license;
+        } else {
+            typedLicenses.default = "_custom_";
+        }
+        $("#subflow-input-module-license").typedInput(typedLicenses)
+    }
+
+    function exportSubflowModuleProperties(node) {
+        var value;
+        var moduleProps = {};
+        [
+            'module',
+            'type',
+            'version',
+            'author',
+            'desc',
+            'keywords'
+        ].forEach(function(property) {
+            value = $("#subflow-input-module-"+property).val().trim();
+            if (value) {
+                moduleProps[property] = value;
+            }
+        })
+        var selectedLicenseType = $("#subflow-input-module-license").typedInput("type");
+
+        if (selectedLicenseType === '_custom_') {
+            value = $("#subflow-input-module-license").val();
+            if (value) {
+                moduleProps.license = value;
+            }
+        } else if (selectedLicenseType !== "none") {
+            moduleProps.license = selectedLicenseType;
+        }
+        return moduleProps;
+    }
+
+
     return {
         init: init,
         createSubflow: createSubflow,
@@ -1872,9 +2053,11 @@ RED.subflow = (function() {
 
         buildEditForm: buildEditForm,
         buildPropertiesForm: buildPropertiesForm,
+        buildModuleForm: buildModuleForm,
 
         exportSubflowTemplateEnv: exportEnvList,
-        exportSubflowInstanceEnv: exportSubflowInstanceEnv
+        exportSubflowInstanceEnv: exportSubflowInstanceEnv,
+        exportSubflowModuleProperties: exportSubflowModuleProperties
 
     }
 })();
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-help.js b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-help.js
index c1344e755..cc86de358 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-help.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-help.js
@@ -247,7 +247,7 @@ RED.sidebar.help = (function() {
             helpText = (RED.utils.renderMarkdown(subflowNode.info||"")||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>'));
             title = subflowNode.name || nodeType;
         } else {
-            helpText = $("script[data-help-name='"+nodeType+"']").html()||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>');
+            helpText = RED.nodes.getNodeHelp(nodeType)||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>');
             title = nodeType;
         }
         setInfoText(title, helpText, helpSection);
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
index d84f47f73..a8e5583cb 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/tab-info.js
@@ -382,21 +382,14 @@ RED.sidebar.info = (function() {
                 var category = subflowNode.category||"subflows";
                 $(propRow.children()[1]).text(RED._("palette.label."+category,{defaultValue:category}))
                 $('<tr class="node-info-subflow-row"><td>'+RED._("sidebar.info.instances")+"</td><td>"+subflowUserCount+'</td></tr>').appendTo(tableBody);
+                if (subflowNode.meta) {
+                    propRow = $('<tr class="red-ui-help-info-row"><td>'+RED._("subflow.module")+'</td><td></td></tr>').appendTo(tableBody);
+                    $(propRow.children()[1]).text(subflowNode.meta.module||"")
+                    propRow = $('<tr class="red-ui-help-info-row"><td>'+RED._("subflow.version")+'</td><td></td></tr>').appendTo(tableBody);
+                    $(propRow.children()[1]).text(subflowNode.meta.version||"")
+                }
             }
 
-            // var helpText = "";
-            // if (node.type === "tab" || node.type === "subflow") {
-            // } else {
-            //     if (subflowNode && node.type !== "subflow") {
-            //         // Selected a subflow instance node.
-            //         // - The subflow template info goes into help
-            //         helpText = (RED.utils.renderMarkdown(subflowNode.info||"")||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>'));
-            //     } else {
-            //         helpText = $("script[data-help-name='"+node.type+"']").html()||('<span class="red-ui-help-info-none">'+RED._("sidebar.info.none")+'</span>');
-            //     }
-            //     setInfoText(helpText, helpSection.content);
-            // }
-
             var infoText = "";
 
             if (node._def && node._def.info) {
@@ -409,23 +402,6 @@ RED.sidebar.info = (function() {
             }
             var infoSectionContainer = $("<div>").css("padding","0 6px 6px").appendTo(propertiesPanelContent)
 
-            // var editInfo = $('<button class="red-ui-button red-ui-button-small" style="float: right"><i class="fa fa-file-text-o"></button>').appendTo(infoSectionContainer).on("click", function(evt) {
-            //     //.text(RED._("sidebar.info.editDescription"))
-            //     evt.preventDefault();
-            //     evt.stopPropagation();
-            //     if (node.type === 'tab') {
-            //
-            //     } else if (node.type === 'subflow') {
-            //
-            //     } else if (node.type === 'group') {
-            //
-            //     } else if (node._def.category !== 'config') {
-            //         RED.editor.edit(node,"editor-tab-description");
-            //     } else {
-            //
-            //     }
-            // })
-
             setInfoText(infoText, infoSectionContainer);
 
             $(".red-ui-sidebar-info-stack").scrollTop(0);
diff --git a/packages/node_modules/@node-red/editor-client/src/sass/editor.scss b/packages/node_modules/@node-red/editor-client/src/sass/editor.scss
index 1f3cdb181..aefd617c0 100644
--- a/packages/node_modules/@node-red/editor-client/src/sass/editor.scss
+++ b/packages/node_modules/@node-red/editor-client/src/sass/editor.scss
@@ -765,6 +765,10 @@ button.red-ui-toggleButton.toggle {
                     width: calc(100% - 10px);
                     padding-left: 3px;
                 }
+                select {
+                    padding: 0 3px;
+                    font-size: 11px;
+                }
                 .placeholder-input {
                     span:first-child {
                         display:inline-block;
diff --git a/packages/node_modules/@node-red/editor-client/src/sass/flow.scss b/packages/node_modules/@node-red/editor-client/src/sass/flow.scss
index 6690c22ed..f63c26279 100644
--- a/packages/node_modules/@node-red/editor-client/src/sass/flow.scss
+++ b/packages/node_modules/@node-red/editor-client/src/sass/flow.scss
@@ -139,6 +139,9 @@
     stroke-width: 2;
 }
 .red-ui-flow-node-icon-group {
+    text {
+        @include disable-selection;
+    }
     .fa-lg {
         @include disable-selection;
         stroke: none;
diff --git a/packages/node_modules/@node-red/registry/lib/index.js b/packages/node_modules/@node-red/registry/lib/index.js
index 426dfcb61..03f979424 100644
--- a/packages/node_modules/@node-red/registry/lib/index.js
+++ b/packages/node_modules/@node-red/registry/lib/index.js
@@ -99,6 +99,8 @@ module.exports = {
      */
     get: registry.getNodeConstructor,
 
+    registerSubflow: registry.registerSubflow,
+
     /**
      * Get a node's set information.
      *
diff --git a/packages/node_modules/@node-red/registry/lib/installer.js b/packages/node_modules/@node-red/registry/lib/installer.js
index c7cd0d5e0..459220774 100644
--- a/packages/node_modules/@node-red/registry/lib/installer.js
+++ b/packages/node_modules/@node-red/registry/lib/installer.js
@@ -94,20 +94,6 @@ function checkModulePath(folder) {
         version: moduleVersion
     };
 }
-
-function checkExistingModule(module,version) {
-    var info = registry.getModuleInfo(module);
-    if (info) {
-        if (!version || info.version === version) {
-            var err = new Error("Module already loaded");
-            err.code = "module_already_loaded";
-            throw err;
-        }
-        return true;
-    }
-    return false;
-}
-
 async function installModule(module,version,url) {
     if (Buffer.isBuffer(module)) {
         return installTarball(module)
@@ -118,6 +104,7 @@ async function installModule(module,version,url) {
         var installName = module;
         let isRegistryPackage = true;
         var isUpgrade = false;
+        var isExisting = false;
         if (url) {
             if (pkgurlRe.test(url) || localtgzRe.test(url)) {
                 // Git remote url or Tarball url - check the valid package url
@@ -158,7 +145,21 @@ async function installModule(module,version,url) {
                 throw e;
             }
         }
-        isUpgrade = checkExistingModule(module,version);
+
+        var info = registry.getModuleInfo(module);
+        if (info) {
+            if (!info.user) {
+                log.debug(`Installing existing module: ${module}`)
+                isExisting = true;
+            } else if (!version || info.version === version) {
+                var err = new Error("Module already loaded");
+                err.code = "module_already_loaded";
+                throw err;
+            }
+            isUpgrade = true;
+        } else {
+            isUpgrade = false;
+        }
 
         if (!isUpgrade) {
             log.info(log._("server.install.installing",{name: module,version: version||"latest"}));
@@ -172,7 +173,17 @@ async function installModule(module,version,url) {
         return exec.run(npmCommand,args,{
             cwd: installDir
         }, true).then(result => {
-            if (!isUpgrade) {
+            if (isExisting) {
+                // This is a module we already have installed as a non-user module.
+                // That means it was discovered when loading, but was not listed
+                // in package.json and has been hidden from the editor.
+                // The user has requested to install this module. Having run
+                // the npm install above, it will now be listed in package.json.
+                // Update the registry to mark it as a user module so it will
+                // be available to the editor.
+                log.info(log._("server.install.installed",{name:module}));
+                return require("./registry").setUserInstalled(module,true).then(reportAddedModules);
+            } else if (!isUpgrade) {
                 log.info(log._("server.install.installed",{name:module}));
                 return require("./index").addModule(module).then(reportAddedModules);
             } else {
@@ -212,7 +223,6 @@ async function installModule(module,version,url) {
 }
 
 function reportAddedModules(info) {
-    //comms.publish("node/added",info.nodes,false);
     if (info.nodes.length > 0) {
         log.info(log._("server.added-types"));
         for (var i=0;i<info.nodes.length;i++) {
diff --git a/packages/node_modules/@node-red/registry/lib/loader.js b/packages/node_modules/@node-red/registry/lib/loader.js
index 18d202420..f35987732 100644
--- a/packages/node_modules/@node-red/registry/lib/loader.js
+++ b/packages/node_modules/@node-red/registry/lib/loader.js
@@ -158,13 +158,10 @@ async function loadNodeTemplate(node) {
         }
         return node
     }).catch(err => {
-        node.types = [];
-        if (err.code === 'ENOENT') {
-            if (!node.types) {
-                node.types = [];
-            }
-            node.err = "Error: "+node.template+" does not exist";
-        } else {
+        // ENOENT means no html file. We can live with that. But any other error
+        // should be fatal
+        // node.err = "Error: "+node.template+" does not exist";
+        if (err.code !== 'ENOENT') {
             node.types = [];
             node.err = err.toString();
         }
@@ -311,15 +308,37 @@ function addModule(module) {
         throw new Error("Settings unavailable");
     }
     var nodes = [];
-    if (registry.getModuleInfo(module)) {
+    var existingInfo = registry.getModuleInfo(module);
+    if (existingInfo) {
         // TODO: nls
         var e = new Error("module_already_loaded");
         e.code = "module_already_loaded";
         return Promise.reject(e);
     }
     try {
-        var moduleFiles = localfilesystem.getModuleFiles(module);
-        return loadNodeFiles(moduleFiles);
+        var moduleFiles = {};
+        var moduleStack = [module];
+        while(moduleStack.length > 0) {
+            var moduleToLoad = moduleStack.shift();
+            var files = localfilesystem.getModuleFiles(moduleToLoad);
+            if (files[moduleToLoad]) {
+                moduleFiles[moduleToLoad] = files[moduleToLoad];
+                if (moduleFiles[moduleToLoad].dependencies) {
+                    log.debug(`Loading dependencies for ${module}`)
+                    for (var i=0; i<moduleFiles[moduleToLoad].dependencies.length; i++) {
+                        var dep = moduleFiles[moduleToLoad].dependencies[i]
+                        if (!registry.getModuleInfo(dep)) {
+                            log.debug(` - load ${dep}`)
+                            moduleStack.push(dep);
+                        } else {
+                            log.debug(` - already loaded ${dep}`)
+                            registry.addModuleDependency(dep,moduleToLoad)
+                        }
+                    }
+                }
+            }
+        }
+        return loadNodeFiles(moduleFiles).then(() => module)
     } catch(err) {
         return Promise.reject(err);
     }
diff --git a/packages/node_modules/@node-red/registry/lib/localfilesystem.js b/packages/node_modules/@node-red/registry/lib/localfilesystem.js
index 25e423571..ed4b81d8e 100644
--- a/packages/node_modules/@node-red/registry/lib/localfilesystem.js
+++ b/packages/node_modules/@node-red/registry/lib/localfilesystem.js
@@ -28,6 +28,7 @@ let loadDenyList = [];
 var settings;
 var disableNodePathScan = false;
 var iconFileExtensions = [".png", ".gif", ".svg"];
+var packageList = {};
 
 function init(_settings) {
     settings = _settings;
@@ -187,9 +188,17 @@ function scanTreeForNodesModules(moduleName) {
     var userDir;
 
     if (settings.userDir) {
+        packageList = getPackageList();
         userDir = path.join(settings.userDir,"node_modules");
         results = scanDirForNodesModules(userDir,moduleName);
-        results.forEach(function(r) { r.local = true; });
+        results.forEach(function(r) {
+            // If it was found in <userDir>/node_modules then it is considered
+            // a local module.
+            // Also check to see if it is listed in the package.json file as a user-installed
+            // module. This distinguishes modules installed as a dependency
+            r.local = true;
+            r.user = !!packageList[r.package.name];
+        });
     }
 
     if (dir) {
@@ -288,20 +297,19 @@ function getNodeFiles(disableNodePathScan) {
         }
     }
 
-    var nodeList = {
-        "node-red": {
-            name: "node-red",
-            version: settings.version,
-            nodes: {},
-            icons: iconList
-        }
+    var nodeList = {};
+    var coreNodeEntry = {
+        name: "node-red",
+        version: settings.version,
+        nodes: {},
+        icons: iconList
     }
     nodeFiles.forEach(function(node) {
-        nodeList["node-red"].nodes[node.name] = node;
+        coreNodeEntry.nodes[node.name] = node;
     });
     if (settings.coreNodesDir) {
         var examplesDir = path.join(settings.coreNodesDir,"examples");
-        nodeList["node-red"].examples = {path: examplesDir};
+        coreNodeEntry.examples = {path: examplesDir};
     }
 
     if (!disableNodePathScan) {
@@ -310,7 +318,6 @@ function getNodeFiles(disableNodePathScan) {
         // Filter the module list to ignore global modules
         // that have also been installed locally - allowing the user to
         // update a module they may not otherwise be able to touch
-
         moduleFiles.sort(function(A,B) {
             if (A.local && !B.local) {
                 return -1
@@ -323,7 +330,7 @@ function getNodeFiles(disableNodePathScan) {
         moduleFiles = moduleFiles.filter(function(mod) {
             var result;
             if (!knownModules[mod.package.name]) {
-                knownModules[mod.package.name] = true;
+                knownModules[mod.package.name] = mod;
                 result = true;
             } else {
                 result = false;
@@ -332,48 +339,62 @@ function getNodeFiles(disableNodePathScan) {
             return result;
         });
 
-        moduleFiles.forEach(function(moduleFile) {
-            var nodeModuleFiles = getModuleNodeFiles(moduleFile);
-            nodeList[moduleFile.package.name] = {
-                name: moduleFile.package.name,
-                version: moduleFile.package.version,
-                path: moduleFile.dir,
-                local: moduleFile.local||false,
-                nodes: {},
-                icons: nodeModuleFiles.icons,
-                examples: nodeModuleFiles.examples
-            };
-            if (moduleFile.package['node-red'].version) {
-                nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
+        // Do a second pass to check we have all the declared node dependencies
+        // As this is only done as part of the initial palette load, `knownModules` will
+        // contain a list of everything discovered during this phase. This means
+        // we can check for missing dependencies here.
+        moduleFiles = moduleFiles.filter(function(mod) {
+            if (Array.isArray(mod.package["node-red"].dependencies)) {
+                const deps = mod.package["node-red"].dependencies;
+                const missingDeps = mod.package["node-red"].dependencies.filter(dep => {
+                    if (knownModules[dep]) {
+                        knownModules[dep].usedBy = knownModules[dep].usedBy || [];
+                        knownModules[dep].usedBy.push(mod.package.name)
+                    } else {
+                        return true;
+                    }
+                })
+                if (missingDeps.length > 0) {
+                    log.error(`Module: ${mod.package.name} missing dependencies:`);
+                    missingDeps.forEach(m => { log.error(` - ${m}`)});
+                    return false;
+                }
             }
-            nodeModuleFiles.files.forEach(function(node) {
-                node.local = moduleFile.local||false;
-                nodeList[moduleFile.package.name].nodes[node.name] = node;
-            });
-            nodeFiles = nodeFiles.concat(nodeModuleFiles.files);
+            return true;
         });
+        nodeList = convertModuleFileListToObject(moduleFiles);
     } else {
         // console.log("node path scan disabled");
     }
+    nodeList["node-red"] = coreNodeEntry;
     return nodeList;
 }
 
 function getModuleFiles(module) {
-    var nodeList = {};
-
+    // Update the package list
     var moduleFiles = scanTreeForNodesModules(module);
     if (moduleFiles.length === 0) {
         var err = new Error(log._("nodes.registry.localfilesystem.module-not-found", {module:module}));
         err.code = 'MODULE_NOT_FOUND';
         throw err;
     }
+    // Unlike when doing the initial palette load, this call cannot verify the
+    // dependencies of the new module as it doesn't have visiblity of what
+    // is in the registry. That will have to be done be the caller in loader.js
+    return convertModuleFileListToObject(moduleFiles);
+}
 
+function convertModuleFileListToObject(moduleFiles) {
+    const nodeList = {};
     moduleFiles.forEach(function(moduleFile) {
+
         var nodeModuleFiles = getModuleNodeFiles(moduleFile);
         nodeList[moduleFile.package.name] = {
             name: moduleFile.package.name,
             version: moduleFile.package.version,
             path: moduleFile.dir,
+            local: moduleFile.local||false,
+            user: moduleFile.user||false,
             nodes: {},
             icons: nodeModuleFiles.icons,
             examples: nodeModuleFiles.examples
@@ -381,7 +402,14 @@ function getModuleFiles(module) {
         if (moduleFile.package['node-red'].version) {
             nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
         }
+        if (moduleFile.package['node-red'].dependencies) {
+            nodeList[moduleFile.package.name].dependencies = moduleFile.package['node-red'].dependencies;
+        }
+        if (moduleFile.usedBy) {
+            nodeList[moduleFile.package.name].usedBy = moduleFile.usedBy;
+        }
         nodeModuleFiles.files.forEach(function(node) {
+            node.local = moduleFile.local||false;
             nodeList[moduleFile.package.name].nodes[node.name] = node;
             nodeList[moduleFile.package.name].nodes[node.name].local = moduleFile.local || false;
         });
@@ -412,6 +440,23 @@ function scanIconDir(dir) {
     })
     return iconList;
 }
+/**
+ * Gets the list of modules installed in this runtime as reported by package.json
+ * Note: these may include non-Node-RED modules
+ */
+function getPackageList() {
+    var list = {};
+    if (settings.userDir) {
+        try {
+            var userPackage = path.join(settings.userDir,"package.json");
+            var pkg = JSON.parse(fs.readFileSync(userPackage,"utf-8"));
+            return pkg.dependencies;
+        } catch(err) {
+            log.error(err);
+        }
+    }
+    return list;
+}
 
 module.exports = {
     init: init,
diff --git a/packages/node_modules/@node-red/registry/lib/registry.js b/packages/node_modules/@node-red/registry/lib/registry.js
index a91735071..730280d72 100644
--- a/packages/node_modules/@node-red/registry/lib/registry.js
+++ b/packages/node_modules/@node-red/registry/lib/registry.js
@@ -20,6 +20,7 @@ var fs = require("fs");
 
 var library = require("./library");
 const {events} = require("@node-red/util")
+var subflows = require("./subflow");
 var settings;
 var loader;
 
@@ -27,6 +28,8 @@ var nodeConfigCache = {};
 var moduleConfigs = {};
 var nodeList = [];
 var nodeConstructors = {};
+var subflowModules = {};
+
 var nodeTypeToId = {};
 var moduleNodes = {};
 
@@ -36,6 +39,7 @@ function init(_settings,_loader) {
     moduleNodes = {};
     nodeTypeToId = {};
     nodeConstructors = {};
+    subflowModules = {};
     nodeList = [];
     nodeConfigCache = {};
 }
@@ -54,7 +58,8 @@ function filterNodeInfo(n) {
         name: n.name,
         types: n.types,
         enabled: n.enabled,
-        local: n.local||false
+        local: n.local||false,
+        user: n.user || false
     };
     if (n.hasOwnProperty("module")) {
         r.module = n.module;
@@ -90,6 +95,7 @@ function saveNodeList() {
                         name: module,
                         version: moduleConfigs[module].version,
                         local: moduleConfigs[module].local||false,
+                        user: moduleConfigs[module].user||false,
                         nodes: {}
                     };
                     if (moduleConfigs[module].hasOwnProperty('pending_version')) {
@@ -175,6 +181,7 @@ function loadNodeConfigs() {
 function addModule(module) {
     moduleNodes[module.name] = [];
     moduleConfigs[module.name] = module;
+    // console.log("registry.js.addModule",module.name,"user?",module.user,"usedBy",module.usedBy,"dependencies",module.dependencies)
     for (var setName in module.nodes) {
         if (module.nodes.hasOwnProperty(setName)) {
             var set = module.nodes[setName];
@@ -225,6 +232,7 @@ function removeNode(id) {
     config.types.forEach(function(t) {
         var typeId = nodeTypeToId[t];
         if (typeId === id) {
+            delete subflowModules[t];
             delete nodeConstructors[t];
             delete nodeTypeToId[t];
         }
@@ -235,21 +243,47 @@ function removeNode(id) {
     return filterNodeInfo(config);
 }
 
-function removeModule(module) {
+function removeModule(name,skipSave) {
     if (!settings.available()) {
         throw new Error("Settings unavailable");
     }
-    var nodes = moduleNodes[module];
-    if (!nodes) {
-        throw new Error("Unrecognised module: "+module);
-    }
     var infoList = [];
-    for (var i=0;i<nodes.length;i++) {
-        infoList.push(removeNode(module+"/"+nodes[i]));
+    var module = moduleConfigs[name];
+    var nodes = moduleNodes[name];
+    if (!nodes) {
+        throw new Error("Unrecognised module: "+name);
+    }
+    if (module.usedBy && module.usedBy > 0) {
+        // We are removing a module that is used by other modules... so whilst
+        // this module should be removed from the editor palette, it needs to
+        // stay in the runtime... for now.
+        module.user = false;
+        for (var i=0;i<nodes.length;i++) {
+            infoList.push(filterNodeInfo(nodes[i]));
+        }
+    } else {
+        if (module.dependencies) {
+            module.dependencies.forEach(function(dep) {
+                // Check each dependency of this module to see if it is a non-user-installed
+                // module that we can expect to disappear once npm uninstall is run
+                if (!moduleConfigs[dep].user) {
+                    moduleConfigs[dep].usedBy = moduleConfigs[dep].usedBy.filter(m => m !== name);
+                    if (moduleConfigs[dep].usedBy.length === 0) {
+                        // Remove the dependency
+                        removeModule(dep,true);
+                    }
+                }
+            });
+        }
+        for (var i=0;i<nodes.length;i++) {
+            infoList.push(removeNode(name+"/"+nodes[i]));
+        }
+        delete moduleNodes[name];
+        delete moduleConfigs[name];
+    }
+    if (!skipSave) {
+        saveNodeList();
     }
-    delete moduleNodes[module];
-    delete moduleConfigs[module];
-    saveNodeList();
     return infoList;
 }
 
@@ -302,6 +336,9 @@ function getNodeList(filter) {
     for (var module in moduleConfigs) {
         /* istanbul ignore else */
         if (moduleConfigs.hasOwnProperty(module)) {
+            if (!moduleConfigs[module].user && (moduleConfigs[module].usedBy && moduleConfigs[module].usedBy.length > 0)) {
+                continue;
+            }
             var nodes = moduleConfigs[module].nodes;
             for (var node in nodes) {
                 /* istanbul ignore else */
@@ -341,9 +378,13 @@ function getModuleInfo(module) {
             name: module,
             version: moduleConfigs[module].version,
             local: moduleConfigs[module].local,
+            user: moduleConfigs[module].user,
             path: moduleConfigs[module].path,
             nodes: []
         };
+        if (moduleConfigs[module].dependencies) {
+            m.dependencies = moduleConfigs[module].dependencies;
+        }
         if (moduleConfigs[module] && moduleConfigs[module].pending_version) {
             m.pending_version = moduleConfigs[module].pending_version;
         }
@@ -393,13 +434,40 @@ function registerNodeConstructor(nodeSet,type,constructor) {
     events.emit("type-registered",type);
 }
 
+function registerSubflow(nodeSet, subflow) {
+    var nodeSetInfo = getFullNodeInfo(nodeSet);
+
+    const result = subflows.register(nodeSet,subflow);
+
+    if (subflowModules.hasOwnProperty(result.type)) {
+        throw new Error(result.type+" already registered");
+    }
+
+    if (nodeSetInfo) {
+        if (nodeSetInfo.types.indexOf(result.type) === -1) {
+            nodeSetInfo.types.push(result.type);
+            nodeTypeToId[result.type] = nodeSetInfo.id;
+        }
+        nodeSetInfo.config = result.config;
+    }
+    subflowModules[result.type] = result;
+    events.emit("type-registered",result.type);
+    return result;
+}
+
 function getAllNodeConfigs(lang) {
     if (!nodeConfigCache[lang]) {
         var result = "";
         var script = "";
         for (var i=0;i<nodeList.length;i++) {
             var id = nodeList[i];
-            var config = moduleConfigs[getModule(id)].nodes[getNode(id)];
+
+            var module = moduleConfigs[getModule(id)]
+            if (!module.user && (module.usedBy && module.usedBy.length > 0)) {
+                continue;
+            }
+
+            var config = module.nodes[getNode(id)];
             if (config.enabled && !config.err) {
                 result += "\n<!-- --- [red-module:"+id+"] --- -->\n";
                 result += config.config;
@@ -447,7 +515,7 @@ function getNodeConstructor(type) {
     }
 
     if (!config || (config.enabled && !config.err)) {
-        return nodeConstructors[type];
+        return nodeConstructors[type] || subflowModules[type];
     }
     return null;
 }
@@ -457,6 +525,7 @@ function clear() {
     moduleConfigs = {};
     nodeList = [];
     nodeConstructors = {};
+    subflowModules = {};
     nodeTypeToId = {};
 }
 
@@ -560,6 +629,17 @@ function setModulePendingUpdated(module,version) {
     });
 }
 
+function setUserInstalled(module,userInstalled) {
+    moduleConfigs[module].user = userInstalled;
+    return saveNodeList().then(function() {
+        return getModuleInfo(module);
+    });
+}
+function addModuleDependency(module,usedBy) {
+    moduleConfigs[module].usedBy = moduleConfigs[module].usedBy || [];
+    moduleConfigs[module].usedBy.push(usedBy);
+}
+
 var icon_paths = { };
 var iconCache = {};
 
@@ -613,6 +693,7 @@ var registry = module.exports = {
     registerNodeConstructor: registerNodeConstructor,
     getNodeConstructor: getNodeConstructor,
 
+    registerSubflow: registerSubflow,
 
     addModule: addModule,
 
@@ -620,6 +701,9 @@ var registry = module.exports = {
     disableNodeSet: disableNodeSet,
 
     setModulePendingUpdated: setModulePendingUpdated,
+    setUserInstalled: setUserInstalled,
+    addModuleDependency:addModuleDependency,
+
     removeModule: removeModule,
 
     getNodeInfo: getNodeInfo,
diff --git a/packages/node_modules/@node-red/registry/lib/subflow.js b/packages/node_modules/@node-red/registry/lib/subflow.js
new file mode 100644
index 000000000..97516691e
--- /dev/null
+++ b/packages/node_modules/@node-red/registry/lib/subflow.js
@@ -0,0 +1,127 @@
+function getSubflowType(subflow) {
+    if (subflow.meta && subflow.meta.type) {
+        return subflow.meta.type
+    }
+    return "sf:"+subflow.id
+}
+
+function generateSubflowConfig(subflow) {
+
+    const subflowType = getSubflowType(subflow)
+    const label = subflow.name || subflowType;
+    const category = subflow.category || "function";
+    const color = subflow.color || "#C0DEED";
+    const inputCount = subflow.in?subflow.in.length:0;
+    const outputCount = subflow.out?subflow.out.length:0;
+    const icon = subflow.icon || "arrow-in.svg";
+
+    const defaults = {
+        name: {value: ""}
+    }
+
+    const credentials = {}
+
+    if (subflow.env) {
+        subflow.env.forEach(prop => {
+            var defaultValue;
+
+            switch(prop.type) {
+                case "cred": defaultValue = ""; break;
+                case "str": defaultValue = prop.value||""; break;
+                case "bool": defaultValue = (typeof prop.value === 'boolean')?prop.value:prop.value === "true" ; break;
+                case "num": defaultValue = (typeof prop.value === 'number')?prop.value:Number(prop.value); break;
+                default:
+                    defaultValue = {
+                        type: prop.type,
+                        value: prop.value||""
+                    }
+            }
+
+
+
+            defaults[prop.name] = {
+                value: defaultValue,
+                ui: prop.ui
+            }
+            if (prop.type === 'cred') {
+                defaults[prop.name].ui.type = "cred";
+                credentials[prop.name] = {type:"password"}
+            }
+        })
+    }
+    const defaultString = JSON.stringify(defaults);
+    const credentialsString = JSON.stringify(credentials);
+
+    let nodeHelp = "";
+    if (subflow.info) {
+        nodeHelp = `<script type="text/markdown" data-help-name="${subflowType}">${subflow.info}</script>`
+    }
+
+    return `<script type="text/javascript">
+    RED.nodes.registerType("${subflowType}",{
+        subflowModule: true,
+        category: "${category}",
+        color: "${color}",
+        defaults: ${defaultString},
+        credentials: ${credentialsString},
+        inputs:${inputCount},
+        outputs:${outputCount},
+        icon: "${icon}",
+        paletteLabel: "${label}",
+        label: function() {
+            return this.name||"${label}";
+        },
+        labelStyle: function() {
+            return this.name?"node_label_italic":"";
+        },
+        oneditprepare: function() {
+            RED.subflow.buildEditForm('subflow', this);
+        },
+        oneditsave: function() {
+            var props = RED.subflow.exportSubflowInstanceEnv(this);
+            var i=0,l=props.length;
+            for (;i<l;i++) {
+                var prop = props[i];
+                if (this._def.defaults[prop.name].ui && this._def.defaults[prop.name].ui.type === "cred") {
+                    this[prop.name] = "";
+                    this.credentials[prop.name] = prop.value || "";
+                    this.credentials['has_' + prop.name] = (this.credentials[prop.name] !== "");
+                } else {
+                    switch(prop.type) {
+                        case "str": this[prop.name] = prop.value||""; break;
+                        case "bool": this[prop.name] = (typeof prop.value === 'boolean')?prop.value:prop.value === "true" ; break;
+                        case "num": this[prop.name] = (typeof prop.value === 'number')?prop.value:Number(prop.value); break;
+                        default:
+                            this[prop.name] = {
+                                type: prop.type,
+                                value: prop.value||""
+                            }
+                    }
+                }
+            }
+        }
+    });
+</script>
+<script type="text/x-red" data-template-name="${subflowType}">
+    <div class="form-row">
+        <label for="node-input-name" data-i18n="[append]editor:common.label.name"><i class="fa fa-tag"></i> </label>
+        <input type="text" id="node-input-name" data-i18n="[placeholder]editor:common.label.name">
+    </div>
+    <div id="subflow-input-ui"></div>
+</script>
+${nodeHelp}
+`
+}
+
+
+function register(id,subflow) {
+    return {
+        subflow: subflow,
+        type: getSubflowType(subflow),
+        config: generateSubflowConfig(subflow)
+    }
+}
+
+module.exports = {
+    register: register
+}
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/registry/lib/util.js b/packages/node_modules/@node-red/registry/lib/util.js
index 6e7609fd5..94690d6cb 100644
--- a/packages/node_modules/@node-red/registry/lib/util.js
+++ b/packages/node_modules/@node-red/registry/lib/util.js
@@ -83,6 +83,9 @@ function createNodeApi(node) {
     red.nodes.registerType = function(type,constructor,opts) {
         runtime.nodes.registerType(node.id,type,constructor,opts);
     }
+    red.nodes.registerSubflow = function(subflowDef) {
+        runtime.nodes.registerSubflow(node.id,subflowDef)
+    }
     copyObjectProperties(log,red.log,null,["init"]);
     copyObjectProperties(runtime.settings,red.settings,null,["init","load","reset"]);
     if (runtime.adminApi) {
diff --git a/packages/node_modules/@node-red/runtime/lib/api/nodes.js b/packages/node_modules/@node-red/runtime/lib/api/nodes.js
index dfaee4e54..556e57df9 100644
--- a/packages/node_modules/@node-red/runtime/lib/api/nodes.js
+++ b/packages/node_modules/@node-red/runtime/lib/api/nodes.js
@@ -194,7 +194,7 @@ var api = module.exports = {
         }
         if (opts.module) {
             var existingModule = runtime.nodes.getModuleInfo(opts.module);
-            if (existingModule) {
+            if (existingModule && existingModule.user) {
                 if (!opts.version || existingModule.version === opts.version) {
                     runtime.log.audit({event: "nodes.install",module:opts.module, version:opts.version, error:"module_already_loaded"}, opts.req);
                     var err = new Error("Module already loaded");
diff --git a/packages/node_modules/@node-red/runtime/lib/flows/Flow.js b/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
index 307da6d62..bd782256c 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/Flow.js
@@ -93,7 +93,7 @@ class Flow {
      * @param  {[type]} msg [description]
      * @return {[type]}     [description]
      */
-    log(msg) {
+    info(msg) {
         Log.log({
             id: this.id||"global",
             level: Log.INFO,
@@ -116,6 +116,17 @@ class Flow {
         })
     }
 
+    /**
+     * [log description]
+     * @param  {[type]} msg [description]
+     * @return {[type]}     [description]
+     */
+    log(msg) {
+        if (!msg.path) {
+            msg.path = this.path;
+        }
+        this.parent.log(msg);
+    }
 
     /**
      * Start this flow.
@@ -303,21 +314,13 @@ class Flow {
             if (node) {
                 delete this.activeNodes[stopList[i]];
                 if (this.subflowInstanceNodes[stopList[i]]) {
-                    try {
-                        (function(subflow) {
-                            promises.push(stopNode(node,false).then(() => subflow.stop()));
-                        })(this.subflowInstanceNodes[stopList[i]]);
-                    } catch(err) {
-                        node.error(err);
-                    }
                     delete this.subflowInstanceNodes[stopList[i]];
-                } else {
-                    try {
-                        var removed = removedMap[stopList[i]];
-                        promises.push(stopNode(node,removed).catch(()=>{}));
-                    } catch(err) {
-                        node.error(err);
-                    }
+                }
+                try {
+                    var removed = removedMap[stopList[i]];
+                    promises.push(stopNode(node,removed).catch(()=>{}));
+                } catch(err) {
+                    node.error(err);
                 }
                 if (removedMap[stopList[i]]) {
                     events.emit("node-status",{
diff --git a/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js b/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
index 87facdc23..3344d65d3 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/Subflow.js
@@ -208,7 +208,12 @@ class Subflow extends Flow {
 
         this.node = new Node(subflowInstanceConfig);
         this.node.on("input", function(msg) { this.send(msg);});
-        this.node.on("close", function() { this.status({}); })
+        // Called when the subflow instance node is being stopped
+        this.node.on("close", function(done) {
+            this.status({});
+            // Stop the complete subflow
+            self.stop().finally(done)
+        })
         this.node.status = status => this.parent.handleStatus(this.node,status);
         // Create a context instance
         // console.log("Node.context",this.type,"id:",this._alias||this.id,"z:",this.z)
@@ -499,11 +504,49 @@ function remapSubflowNodes(nodes,nodeMap) {
     }
 }
 
+class SubflowModule extends Subflow {
+    /**
+     * Create a Subflow Module object.
+     * This is a node that has been published as a subflow.
+     * @param {[type]} parent          [description]
+     * @param {[type]} globalFlow      [description]
+     * @param {[type]} subflowDef      [description]
+     * @param {[type]} subflowInstance [description]
+     */
+    constructor(type, parent,globalFlow,subflowDef,subflowInstance) {
+        super(parent,globalFlow,subflowDef,subflowInstance);
+        this.TYPE = `module:${type}`;
+        this.subflowType = type;
+    }
+
+    /**
+     * [log description]
+     * @param  {[type]} msg [description]
+     * @return {[type]}     [description]
+     */
+    log(msg) {
+        if (msg.id) {
+            msg.id = this.id
+        }
+        if (msg.type) {
+            msg.type = this.subflowType
+        }
+        super.log(msg);
+    }
+
+}
+
 function createSubflow(parent,globalFlow,subflowDef,subflowInstance) {
     return new Subflow(parent,globalFlow,subflowDef,subflowInstance)
 }
 
+
+function createModuleInstance(type, parent,globalFlow,subflowDef,subflowInstance) {
+    return new SubflowModule(type, parent,globalFlow,subflowDef,subflowInstance);
+}
+
 module.exports = {
     init: function(runtime) {},
-    create: createSubflow
+    create: createSubflow,
+    createModuleInstance: createModuleInstance
 }
diff --git a/packages/node_modules/@node-red/runtime/lib/flows/index.js b/packages/node_modules/@node-red/runtime/lib/flows/index.js
index 350115f81..b31dc7755 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/index.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/index.js
@@ -698,7 +698,8 @@ const flowAPI = {
     getNode: getNode,
     handleError: () => false,
     handleStatus: () => false,
-    getSetting: k => flowUtil.getEnvVar(k)
+    getSetting: k => flowUtil.getEnvVar(k),
+    log: m => log.log(m)
 }
 
 
diff --git a/packages/node_modules/@node-red/runtime/lib/flows/util.js b/packages/node_modules/@node-red/runtime/lib/flows/util.js
index d5a8cba9f..31c822313 100644
--- a/packages/node_modules/@node-red/runtime/lib/flows/util.js
+++ b/packages/node_modules/@node-red/runtime/lib/flows/util.js
@@ -19,6 +19,7 @@ var Log = require("@node-red/util").log;
 var subflowInstanceRE = /^subflow:(.+)$/;
 var typeRegistry = require("@node-red/registry");
 
+
 var envVarExcludes = {};
 
 function diffNodes(oldNode,newNode) {
@@ -66,6 +67,195 @@ function mapEnvVarProperties(obj,prop,flow) {
     }
 }
 
+
+function createNode(flow,config) {
+    var newNode = null;
+    var type = config.type;
+    try {
+        var nodeTypeConstructor = typeRegistry.get(type);
+        if (typeof nodeTypeConstructor === "function") {
+            var conf = clone(config);
+            delete conf.credentials;
+            for (var p in conf) {
+                if (conf.hasOwnProperty(p)) {
+                    mapEnvVarProperties(conf,p,flow);
+                }
+            }
+            try {
+                Object.defineProperty(conf,'_flow', {value: flow, enumerable: false, writable: true })
+                newNode = new nodeTypeConstructor(conf);
+            } catch (err) {
+                Log.log({
+                    level: Log.ERROR,
+                    id:conf.id,
+                    type: type,
+                    msg: err
+                });
+            }
+        } else if (nodeTypeConstructor) {
+            // console.log(nodeTypeConstructor)
+            var subflowConfig = parseConfig([nodeTypeConstructor.subflow].concat(nodeTypeConstructor.subflow.flow));
+            var instanceConfig = clone(config);
+            instanceConfig.env = clone(nodeTypeConstructor.subflow.env);
+
+            instanceConfig.env = nodeTypeConstructor.subflow.env.map(nodeProp => {
+                var nodePropType;
+                var nodePropValue = config[nodeProp.name];
+                if (nodeProp.type === "cred") {
+                    nodePropType = "cred";
+                } else {
+                    switch(typeof config[nodeProp.name]) {
+                        case "string": nodePropType = "str"; break;
+                        case "number": nodePropType = "num"; break;
+                        case "boolean": nodePropType = "bool"; nodePropValue = nodeProp?"true":"false"; break;
+                        default:
+                            nodePropType = config[nodeProp.name].type;
+                            nodePropValue = config[nodeProp.name].value;
+                    }
+                }
+                return {
+                    name: nodeProp.name,
+                    type: nodePropType,
+                    value: nodePropValue
+                }
+            })
+
+            var subflow = require("./Subflow").createModuleInstance(
+                nodeTypeConstructor.type,
+                flow,
+                flow.global,
+                subflowConfig.subflows[nodeTypeConstructor.subflow.id],
+                instanceConfig
+            );
+            subflow.start();
+            return subflow.node;
+
+            Log.error(Log._("nodes.flow.unknown-type", {type:type}));
+        }
+    } catch(err) {
+        Log.error(err);
+    }
+    return newNode;
+}
+
+function parseConfig(config) {
+   var flow = {};
+   flow.allNodes = {};
+   flow.subflows = {};
+   flow.configs = {};
+   flow.flows = {};
+   flow.groups = {};
+   flow.missingTypes = [];
+
+   config.forEach(function(n) {
+       flow.allNodes[n.id] = clone(n);
+       if (n.type === 'tab') {
+           flow.flows[n.id] = n;
+           flow.flows[n.id].subflows = {};
+           flow.flows[n.id].configs = {};
+           flow.flows[n.id].nodes = {};
+       }
+       if (n.type === 'group') {
+           flow.groups[n.id] = n;
+       }
+   });
+
+   // TODO: why a separate forEach? this can be merged with above
+   config.forEach(function(n) {
+       if (n.type === 'subflow') {
+           flow.subflows[n.id] = n;
+           flow.subflows[n.id].configs = {};
+           flow.subflows[n.id].nodes = {};
+           flow.subflows[n.id].instances = [];
+       }
+   });
+   var linkWires = {};
+   var linkOutNodes = [];
+   config.forEach(function(n) {
+       if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
+           var subflowDetails = subflowInstanceRE.exec(n.type);
+
+           if ( (subflowDetails && !flow.subflows[subflowDetails[1]]) || (!subflowDetails && !typeRegistry.get(n.type)) ) {
+               if (flow.missingTypes.indexOf(n.type) === -1) {
+                   flow.missingTypes.push(n.type);
+               }
+           }
+           var container = null;
+           if (flow.flows[n.z]) {
+               container = flow.flows[n.z];
+           } else if (flow.subflows[n.z]) {
+               container = flow.subflows[n.z];
+           }
+           if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
+               if (subflowDetails) {
+                   var subflowType = subflowDetails[1]
+                   n.subflow = subflowType;
+                   flow.subflows[subflowType].instances.push(n)
+               }
+               if (container) {
+                   container.nodes[n.id] = n;
+               }
+           } else {
+               if (container) {
+                   container.configs[n.id] = n;
+               } else {
+                   flow.configs[n.id] = n;
+                   flow.configs[n.id]._users = [];
+               }
+           }
+           if (n.type === 'link in' && n.links) {
+               // Ensure wires are present in corresponding link out nodes
+               n.links.forEach(function(id) {
+                   linkWires[id] = linkWires[id]||{};
+                   linkWires[id][n.id] = true;
+               })
+           } else if (n.type === 'link out' && n.links) {
+               linkWires[n.id] = linkWires[n.id]||{};
+               n.links.forEach(function(id) {
+                   linkWires[n.id][id] = true;
+               })
+               linkOutNodes.push(n);
+           }
+       }
+   });
+   linkOutNodes.forEach(function(n) {
+       var links = linkWires[n.id];
+       var targets = Object.keys(links);
+       n.wires = [targets];
+   });
+
+
+   var addedTabs = {};
+   config.forEach(function(n) {
+       if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
+           for (var prop in n) {
+               if (n.hasOwnProperty(prop) && prop !== 'id' && prop !== 'wires' && prop !== 'type' && prop !== '_users' && flow.configs.hasOwnProperty(n[prop])) {
+                   // This property references a global config node
+                   flow.configs[n[prop]]._users.push(n.id)
+               }
+           }
+           if (n.z && !flow.subflows[n.z]) {
+
+               if (!flow.flows[n.z]) {
+                   flow.flows[n.z] = {type:'tab',id:n.z};
+                   flow.flows[n.z].subflows = {};
+                   flow.flows[n.z].configs = {};
+                   flow.flows[n.z].nodes = {};
+                   addedTabs[n.z] = flow.flows[n.z];
+               }
+               if (addedTabs[n.z]) {
+                   if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
+                       addedTabs[n.z].nodes[n.id] = n;
+                   } else {
+                       addedTabs[n.z].configs[n.id] = n;
+                   }
+               }
+           }
+       }
+   });
+   return flow;
+}
+
 module.exports = {
     init: function(runtime) {
         envVarExcludes = {};
@@ -79,123 +269,7 @@ module.exports = {
     diffNodes: diffNodes,
     mapEnvVarProperties: mapEnvVarProperties,
 
-    parseConfig: function(config) {
-        var flow = {};
-        flow.allNodes = {};
-        flow.subflows = {};
-        flow.configs = {};
-        flow.flows = {};
-        flow.groups = {};
-        flow.missingTypes = [];
-
-        config.forEach(function(n) {
-            flow.allNodes[n.id] = clone(n);
-            if (n.type === 'tab') {
-                flow.flows[n.id] = n;
-                flow.flows[n.id].subflows = {};
-                flow.flows[n.id].configs = {};
-                flow.flows[n.id].nodes = {};
-            }
-            if (n.type === 'group') {
-                flow.groups[n.id] = n;
-            }
-        });
-
-        // TODO: why a separate forEach? this can be merged with above
-        config.forEach(function(n) {
-            if (n.type === 'subflow') {
-                flow.subflows[n.id] = n;
-                flow.subflows[n.id].configs = {};
-                flow.subflows[n.id].nodes = {};
-                flow.subflows[n.id].instances = [];
-            }
-        });
-        var linkWires = {};
-        var linkOutNodes = [];
-        config.forEach(function(n) {
-            if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
-                var subflowDetails = subflowInstanceRE.exec(n.type);
-
-                if ( (subflowDetails && !flow.subflows[subflowDetails[1]]) || (!subflowDetails && !typeRegistry.get(n.type)) ) {
-                    if (flow.missingTypes.indexOf(n.type) === -1) {
-                        flow.missingTypes.push(n.type);
-                    }
-                }
-                var container = null;
-                if (flow.flows[n.z]) {
-                    container = flow.flows[n.z];
-                } else if (flow.subflows[n.z]) {
-                    container = flow.subflows[n.z];
-                }
-                if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
-                    if (subflowDetails) {
-                        var subflowType = subflowDetails[1]
-                        n.subflow = subflowType;
-                        flow.subflows[subflowType].instances.push(n)
-                    }
-                    if (container) {
-                        container.nodes[n.id] = n;
-                    }
-                } else {
-                    if (container) {
-                        container.configs[n.id] = n;
-                    } else {
-                        flow.configs[n.id] = n;
-                        flow.configs[n.id]._users = [];
-                    }
-                }
-                if (n.type === 'link in' && n.links) {
-                    // Ensure wires are present in corresponding link out nodes
-                    n.links.forEach(function(id) {
-                        linkWires[id] = linkWires[id]||{};
-                        linkWires[id][n.id] = true;
-                    })
-                } else if (n.type === 'link out' && n.links) {
-                    linkWires[n.id] = linkWires[n.id]||{};
-                    n.links.forEach(function(id) {
-                        linkWires[n.id][id] = true;
-                    })
-                    linkOutNodes.push(n);
-                }
-            }
-        });
-        linkOutNodes.forEach(function(n) {
-            var links = linkWires[n.id];
-            var targets = Object.keys(links);
-            n.wires = [targets];
-        });
-
-
-        var addedTabs = {};
-        config.forEach(function(n) {
-            if (n.type !== 'subflow' && n.type !== 'tab' && n.type !== 'group') {
-                for (var prop in n) {
-                    if (n.hasOwnProperty(prop) && prop !== 'id' && prop !== 'wires' && prop !== 'type' && prop !== '_users' && flow.configs.hasOwnProperty(n[prop])) {
-                        // This property references a global config node
-                        flow.configs[n[prop]]._users.push(n.id)
-                    }
-                }
-                if (n.z && !flow.subflows[n.z]) {
-
-                    if (!flow.flows[n.z]) {
-                        flow.flows[n.z] = {type:'tab',id:n.z};
-                        flow.flows[n.z].subflows = {};
-                        flow.flows[n.z].configs = {};
-                        flow.flows[n.z].nodes = {};
-                        addedTabs[n.z] = flow.flows[n.z];
-                    }
-                    if (addedTabs[n.z]) {
-                        if (n.hasOwnProperty('x') && n.hasOwnProperty('y')) {
-                            addedTabs[n.z].nodes[n.id] = n;
-                        } else {
-                            addedTabs[n.z].configs[n.id] = n;
-                        }
-                    }
-                }
-            }
-        });
-        return flow;
-    },
+    parseConfig: parseConfig,
 
     diffConfigs: function(oldConfig, newConfig) {
         var id;
@@ -475,36 +549,5 @@ module.exports = {
      * @param  {object} config The node configuration object
      * @return {Node}          The instance of the node
      */
-    createNode: function(flow,config) {
-        var newNode = null;
-        var type = config.type;
-        try {
-            var nodeTypeConstructor = typeRegistry.get(type);
-            if (nodeTypeConstructor) {
-                var conf = clone(config);
-                delete conf.credentials;
-                for (var p in conf) {
-                    if (conf.hasOwnProperty(p)) {
-                        mapEnvVarProperties(conf,p,flow);
-                    }
-                }
-                try {
-                    Object.defineProperty(conf,'_flow', {value: flow, enumerable: false, writable: true })
-                    newNode = new nodeTypeConstructor(conf);
-                } catch (err) {
-                    Log.log({
-                        level: Log.ERROR,
-                        id:conf.id,
-                        type: type,
-                        msg: err
-                    });
-                }
-            } else {
-                Log.error(Log._("nodes.flow.unknown-type", {type:type}));
-            }
-        } catch(err) {
-            Log.error(err);
-        }
-        return newNode;
-    }
+    createNode: createNode
 }
diff --git a/packages/node_modules/@node-red/runtime/lib/nodes/Node.js b/packages/node_modules/@node-red/runtime/lib/nodes/Node.js
index dfc8b5ed1..faf07bda5 100644
--- a/packages/node_modules/@node-red/runtime/lib/nodes/Node.js
+++ b/packages/node_modules/@node-red/runtime/lib/nodes/Node.js
@@ -486,16 +486,14 @@ function log_helper(self, level, msg) {
     if (self._alias) {
         o._alias = self._alias;
     }
-    if (self._flow) {
-        o.path = self._flow.path;
-    }
+
     if (self.z) {
         o.z = self.z;
     }
     if (self.name) {
         o.name = self.name;
     }
-    Log.log(o);
+    self._flow.log(o);
 }
 /**
  * Log an INFO level message
diff --git a/packages/node_modules/@node-red/runtime/lib/nodes/index.js b/packages/node_modules/@node-red/runtime/lib/nodes/index.js
index 7c6b6085e..73e7baee8 100644
--- a/packages/node_modules/@node-red/runtime/lib/nodes/index.js
+++ b/packages/node_modules/@node-red/runtime/lib/nodes/index.js
@@ -112,6 +112,25 @@ function createNode(node,def) {
     }
 }
 
+function registerSubflow(nodeSet, subflow) {
+    // TODO: extract credentials definition from subflow properties
+    var registeredType = registry.registerSubflow(nodeSet,subflow);
+
+    if (subflow.env) {
+        var creds = {};
+        var hasCreds = false;
+        subflow.env.forEach(e => {
+            if (e.type === "cred") {
+                creds[e.name] = {type: "password"};
+                hasCreds = true;
+            }
+        })
+        if (hasCreds) {
+            credentials.register(registeredType.type,creds);
+        }
+    }
+}
+
 function init(runtime) {
     settings = runtime.settings;
     log = runtime.log;
@@ -162,11 +181,12 @@ function installModule(module,version,url) {
 
 function uninstallModule(module) {
     var info = registry.getModuleInfo(module);
-    if (!info) {
+    if (!info || !info.user) {
         throw new Error(log._("nodes.index.unrecognised-module", {module:module}));
     } else {
-        for (var i=0;i<info.nodes.length;i++) {
-            flows.checkTypeInUse(module+"/"+info.nodes[i].name);
+        var nodeTypesToCheck = info.nodes.map(n => `${module}/${n.name}`);
+        for (var i=0;i<nodeTypesToCheck.length;i++) {
+            flows.checkTypeInUse(nodeTypesToCheck[i]);
         }
         return registry.uninstallModule(module).then(function(list) {
             events.emit("runtime-event",{id:"node/removed",retain:false,payload:list});
@@ -196,6 +216,7 @@ module.exports = {
 
     // Node type registry
     registerType: registerType,
+    registerSubflow: registerSubflow,
     getType: registry.get,
 
     getNodeInfo: registry.getNodeInfo,
diff --git a/test/resources/subflow/package/README.md b/test/resources/subflow/package/README.md
new file mode 100644
index 000000000..60f4a4679
--- /dev/null
+++ b/test/resources/subflow/package/README.md
@@ -0,0 +1,3 @@
+curl -H "Content-Type: application/json" --request POST  --data '{"url":"/Users/nol/code/node-red/node-red/test/resources/subflow/test-subflow-mod-1.0.0.tgz","module":"test-subflow-mod"}' http://localhost:1880/nodes
+
+curl --request DELETE http://localhost:1880/nodes/test-subflow-mod
diff --git a/test/resources/subflow/package/package.json b/test/resources/subflow/package/package.json
new file mode 100644
index 000000000..92ff33e2b
--- /dev/null
+++ b/test/resources/subflow/package/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "test-subflow-mod",
+  "version": "1.0.1",
+  "description": "",
+  "keywords": [],
+  "license": "ISC",
+  "node-red": {
+      "nodes": {
+          "test-subflow": "subflow.js"
+      },
+      "dependencies": [
+          "node-red-node-random"
+      ]
+  },
+  "dependencies": {
+      "node-red-node-random": "*"
+  }
+}
diff --git a/test/resources/subflow/package/subflow.js b/test/resources/subflow/package/subflow.js
new file mode 100644
index 000000000..beea43f94
--- /dev/null
+++ b/test/resources/subflow/package/subflow.js
@@ -0,0 +1,4 @@
+
+module.exports = function(RED) {
+    RED.nodes.registerSubflow(JSON.parse(require('fs').readFileSync(require("path").join(__dirname,"subflow.json"))))
+}
\ No newline at end of file
diff --git a/test/resources/subflow/package/subflow.json b/test/resources/subflow/package/subflow.json
new file mode 100644
index 000000000..e5c6b25ab
--- /dev/null
+++ b/test/resources/subflow/package/subflow.json
@@ -0,0 +1,268 @@
+{
+    "id": "caf258cc.4e2c48",
+    "type": "subflow",
+    "name": "Test Subflow",
+    "info":"This is my exportable module subflow\n\nI hope this shows as help!",
+    "category": "common",
+    "in": [
+        {
+            "x": 120,
+            "y": 100,
+            "wires": [
+                {
+                    "id": "2f1d674f.a02d28"
+                }
+            ]
+        }
+    ],
+    "out": [
+        {
+            "x": 560,
+            "y": 100,
+            "wires": [
+                {
+                    "id": "1497236e.07f12d",
+                    "port": 0
+                }
+            ]
+        },
+        {
+            "x": 360,
+            "y": 200,
+            "wires": [
+                {
+                    "id": "f4334f5f.4905c",
+                    "port": 0
+                }
+            ]
+        }
+    ],
+    "env": [
+        {
+            "name": "FOO",
+            "type": "cred",
+            "ui": {
+                "icon": "font-awesome/fa-thermometer-0"
+            }
+        },
+        {
+            "name": "BAR",
+            "type": "str",
+            "value": "1",
+            "ui": {
+                "icon": "font-awesome/fa-thermometer-2",
+                "type": "select",
+                "opts": {
+                    "opts": [
+                        {
+                            "l": {
+                                "en-US": "option 1"
+                            },
+                            "v": "1"
+                        },
+                        {
+                            "l": {
+                                "en-US": "option 2"
+                            },
+                            "v": "2"
+                        },
+                        {
+                            "l": {
+                                "en-US": "option 3"
+                            },
+                            "v": "3"
+                        }
+                    ]
+                }
+            }
+        },
+        {
+            "name": "onewithaverylongname",
+            "type": "str",
+            "value": ""
+        },
+        {
+            "name": "BARRY",
+            "type": "bool",
+            "value": "true",
+            "ui": {
+                "icon": "font-awesome/fa-thermometer-4",
+                "type": "checkbox"
+            }
+        },
+        {
+            "name": "WILMA",
+            "type": "num",
+            "value": "10",
+            "ui": {
+                "icon": "font-awesome/fbomb",
+                "type": "spinner"
+            }
+        },
+        {
+            "name": "awg",
+            "type": "num",
+            "value": "",
+            "ui": {
+                "icon": "font-awesome/fa-address-book-o",
+                "type": "spinner"
+            }
+        },
+        {
+            "name": "awf",
+            "type": "str",
+            "value": "",
+            "ui": {
+                "type": "select",
+                "opts": {
+                    "opts": [
+                        {
+                            "l": {
+                                "en-US": "one"
+                            },
+                            "v": "1"
+                        },
+                        {
+                            "l": {
+                                "en-US": "two"
+                            },
+                            "v": "2"
+                        },
+                        {
+                            "l": {
+                                "en-US": "three"
+                            },
+                            "v": "3"
+                        }
+                    ]
+                }
+            }
+        },
+        {
+            "name": "aawf",
+            "type": "bool",
+            "value": "true",
+            "ui": {
+                "type": "checkbox"
+            }
+        },
+        {
+            "name": "awgawgawg",
+            "type": "str",
+            "value": "",
+            "ui": {
+                "type": "none"
+            }
+        },
+        {
+            "name": "seagseg",
+            "type": "str",
+            "value": "",
+            "ui": {
+                "type": "hide"
+            }
+        }
+    ],
+    "meta": {
+        "type": "fly-a-plane"
+    },
+    "color": "#A6BBCF",
+    "icon": "font-awesome/fa-space-shuttle",
+    "status": {
+        "x": 500,
+        "y": 300,
+        "wires": [
+            {
+                "id": "8252d1cc.54f94",
+                "port": 0
+            }
+        ]
+    },
+    "flow": [
+        {
+            "id": "2f1d674f.a02d28",
+            "type": "function",
+            "z": "caf258cc.4e2c48",
+            "name": "",
+            "func": "node.error(\"subflow error \"+msg.payload,msg);\nmsg.payload = {\n    FOO: env.get(\"FOO\"),\n    BAR: env.get(\"BAR\"),\n    WILMA: env.get(\"WILMA\"),\n    BARRY: env.get(\"BARRY\")\n}\nnode.warn(\"warning\");\n\nreturn msg;",
+            "outputs": 1,
+            "noerr": 0,
+            "initialize": "",
+            "finalize": "",
+            "x": 240,
+            "y": 100,
+            "wires": [
+                [
+                    "1497236e.07f12d"
+                ]
+            ]
+        },
+        {
+            "id": "f4334f5f.4905c",
+            "type": "catch",
+            "z": "caf258cc.4e2c48",
+            "name": "",
+            "scope": null,
+            "uncaught": false,
+            "x": 220,
+            "y": 200,
+            "wires": [
+                [
+                    "8252d1cc.54f94"
+                ]
+            ]
+        },
+        {
+            "id": "8252d1cc.54f94",
+            "type": "change",
+            "z": "caf258cc.4e2c48",
+            "name": "",
+            "rules": [
+                {
+                    "t": "set",
+                    "p": "payload",
+                    "pt": "msg",
+                    "to": "error.message",
+                    "tot": "msg"
+                }
+            ],
+            "action": "",
+            "property": "",
+            "from": "",
+            "to": "",
+            "reg": false,
+            "x": 350,
+            "y": 300,
+            "wires": [
+                []
+            ]
+        },
+        {
+            "id": "1497236e.07f12d",
+            "type": "random",
+            "z": "caf258cc.4e2c48",
+            "name": "",
+            "low": "1",
+            "high": "10",
+            "inte": "true",
+            "property": "random",
+            "x": 420,
+            "y": 100,
+            "wires": [
+                []
+            ]
+        },
+        {
+            "id": "876fc49e.f15268",
+            "type": "subflow:caf258cc.4e2c48",
+            "z": "d607ce33.4fa5a",
+            "name": "",
+            "x": 200,
+            "y": 760,
+            "wires": [
+                [],
+                []
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/resources/subflow/test-subflow-mod-1.0.1.tgz b/test/resources/subflow/test-subflow-mod-1.0.1.tgz
new file mode 100644
index 000000000..daa53b77a
Binary files /dev/null and b/test/resources/subflow/test-subflow-mod-1.0.1.tgz differ
diff --git a/test/unit/@node-red/registry/lib/installer_spec.js b/test/unit/@node-red/registry/lib/installer_spec.js
index e0e7380f6..c394956f6 100644
--- a/test/unit/@node-red/registry/lib/installer_spec.js
+++ b/test/unit/@node-red/registry/lib/installer_spec.js
@@ -131,6 +131,7 @@ describe('nodes/registry/installer', function() {
         it("rejects when update requested to existing version", function(done) {
             sinon.stub(typeRegistry,"getModuleInfo", function() {
                 return {
+                    user: true,
                     version: "0.1.1"
                 }
             });
@@ -142,6 +143,7 @@ describe('nodes/registry/installer', function() {
         it("rejects when update requested to existing version and url", function(done) {
             sinon.stub(typeRegistry,"getModuleInfo", function() {
                 return {
+                    user: true,
                     version: "0.1.1"
                 }
             });
diff --git a/test/unit/@node-red/registry/lib/loader_spec.js b/test/unit/@node-red/registry/lib/loader_spec.js
index d62a8a9b4..55f435069 100644
--- a/test/unit/@node-red/registry/lib/loader_spec.js
+++ b/test/unit/@node-red/registry/lib/loader_spec.js
@@ -414,60 +414,61 @@ describe("red/nodes/registry/loader",function() {
             });
         });
 
-        it("load core node files scanned by lfs - missing html file", function(done) {
-            stubs.push(sinon.stub(localfilesystem,"getNodeFiles", function(){
-                var result = {};
-                result["node-red"] = {
-                    "name": "node-red",
-                    "version": "1.2.3",
-                    "nodes": {
-                        "DuffNode": {
-                            "file": path.join(resourcesDir,"DuffNode","DuffNode.js"),
-                            "module": "node-red",
-                            "name": "DuffNode"
-                        }
-                    }
-                };
-                return result;
-            }));
-
-            stubs.push(sinon.stub(registry,"saveNodeList", function(){ return }));
-            stubs.push(sinon.stub(registry,"addModule", function(){ return }));
-            // This module isn't already loaded
-            stubs.push(sinon.stub(registry,"getNodeInfo", function(){ return null; }));
-
-            stubs.push(sinon.stub(nodes,"registerType"));
-            loader.init({nodes:nodes,log:{info:function(){},_:function(){}},settings:{available:function(){return true;}}});
-            loader.load().then(function(result) {
-
-                registry.addModule.called.should.be.true();
-                var module = registry.addModule.lastCall.args[0];
-                module.should.have.property("name","node-red");
-                module.should.have.property("version","1.2.3");
-                module.should.have.property("nodes");
-                module.nodes.should.have.property("DuffNode");
-                module.nodes.DuffNode.should.have.property("id","node-red/DuffNode");
-                module.nodes.DuffNode.should.have.property("module","node-red");
-                module.nodes.DuffNode.should.have.property("name","DuffNode");
-                module.nodes.DuffNode.should.have.property("file");
-                module.nodes.DuffNode.should.have.property("template");
-                module.nodes.DuffNode.should.have.property("enabled",true);
-                module.nodes.DuffNode.should.have.property("loaded",false);
-                module.nodes.DuffNode.should.have.property("types");
-                module.nodes.DuffNode.types.should.have.a.length(0);
-                module.nodes.DuffNode.should.have.property("config","");
-                module.nodes.DuffNode.should.have.property("help",{});
-                module.nodes.DuffNode.should.have.property("namespace","node-red");
-                module.nodes.DuffNode.should.have.property('err');
-                module.nodes.DuffNode.err.should.endWith("DuffNode.html does not exist");
-
-                nodes.registerType.called.should.be.false();
-
-                done();
-            }).catch(function(err) {
-                done(err);
-            });
-        });
+        // it("load core node files scanned by lfs - missing html file", function(done) {
+        //     // This is now an okay situation
+        //     stubs.push(sinon.stub(localfilesystem,"getNodeFiles", function(){
+        //         var result = {};
+        //         result["node-red"] = {
+        //             "name": "node-red",
+        //             "version": "1.2.3",
+        //             "nodes": {
+        //                 "DuffNode": {
+        //                     "file": path.join(resourcesDir,"DuffNode","DuffNode.js"),
+        //                     "module": "node-red",
+        //                     "name": "DuffNode"
+        //                 }
+        //             }
+        //         };
+        //         return result;
+        //     }));
+        //
+        //     stubs.push(sinon.stub(registry,"saveNodeList", function(){ return }));
+        //     stubs.push(sinon.stub(registry,"addModule", function(){ return }));
+        //     // This module isn't already loaded
+        //     stubs.push(sinon.stub(registry,"getNodeInfo", function(){ return null; }));
+        //
+        //     stubs.push(sinon.stub(nodes,"registerType"));
+        //     loader.init({nodes:nodes,log:{info:function(){},_:function(){}},settings:{available:function(){return true;}}});
+        //     loader.load().then(function(result) {
+        //
+        //         registry.addModule.called.should.be.true();
+        //         var module = registry.addModule.lastCall.args[0];
+        //         module.should.have.property("name","node-red");
+        //         module.should.have.property("version","1.2.3");
+        //         module.should.have.property("nodes");
+        //         module.nodes.should.have.property("DuffNode");
+        //         module.nodes.DuffNode.should.have.property("id","node-red/DuffNode");
+        //         module.nodes.DuffNode.should.have.property("module","node-red");
+        //         module.nodes.DuffNode.should.have.property("name","DuffNode");
+        //         module.nodes.DuffNode.should.have.property("file");
+        //         module.nodes.DuffNode.should.have.property("template");
+        //         module.nodes.DuffNode.should.have.property("enabled",true);
+        //         module.nodes.DuffNode.should.have.property("loaded",false);
+        //         module.nodes.DuffNode.should.have.property("types");
+        //         module.nodes.DuffNode.types.should.have.a.length(0);
+        //         module.nodes.DuffNode.should.have.property("config","");
+        //         module.nodes.DuffNode.should.have.property("help",{});
+        //         module.nodes.DuffNode.should.have.property("namespace","node-red");
+        //         module.nodes.DuffNode.should.have.property('err');
+        //         module.nodes.DuffNode.err.should.endWith("DuffNode.html does not exist");
+        //
+        //         nodes.registerType.called.should.be.false();
+        //
+        //         done();
+        //     }).catch(function(err) {
+        //         done(err);
+        //     });
+        // });
     });
 
     describe("#addModule",function() {
@@ -527,7 +528,7 @@ describe("red/nodes/registry/loader",function() {
             stubs.push(sinon.stub(nodes,"registerType"));
             loader.init({nodes:nodes,log:{info:function(){},_:function(){}},settings:{available:function(){return true;}}});
             loader.addModule("TestNodeModule").then(function(result) {
-                result.should.eql("a node list");
+                result.should.eql("TestNodeModule");
 
                 registry.addModule.called.should.be.true();
                 var module = registry.addModule.lastCall.args[0];
@@ -584,7 +585,7 @@ describe("red/nodes/registry/loader",function() {
             stubs.push(sinon.stub(nodes,"registerType"));
             loader.init({log:{"_":function(){},warn:function(){}},nodes:nodes,version: function() { return "0.12.0"}, settings:{available:function(){return true;}}});
             loader.addModule("TestNodeModule").then(function(result) {
-                result.should.eql("a node list");
+                result.should.eql("TestNodeModule");
                 registry.addModule.called.should.be.false();
                 nodes.registerType.called.should.be.false();
                 done();
diff --git a/test/unit/@node-red/registry/lib/subflow_spec.js b/test/unit/@node-red/registry/lib/subflow_spec.js
new file mode 100644
index 000000000..2aa7db203
--- /dev/null
+++ b/test/unit/@node-red/registry/lib/subflow_spec.js
@@ -0,0 +1,3 @@
+describe("red/nodes/registry/subflow",function() {
+    it.skip("NEEDS TESTS");
+});
diff --git a/test/unit/@node-red/runtime/lib/nodes/Node_spec.js b/test/unit/@node-red/runtime/lib/nodes/Node_spec.js
index df362dc85..532fa96e7 100644
--- a/test/unit/@node-red/runtime/lib/nodes/Node_spec.js
+++ b/test/unit/@node-red/runtime/lib/nodes/Node_spec.js
@@ -653,42 +653,30 @@ describe('Node', function() {
 
     describe('#log', function() {
         it('produces a log message', function(done) {
-            var n = new RedNode({id:'123',type:'abc',z:'789'});
+            var n = new RedNode({id:'123',type:'abc',z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
             var loginfo = {};
-            sinon.stub(Log, 'log', function(msg) {
-                loginfo = msg;
-            });
             n.log("a log message");
             should.deepEqual({level:Log.INFO, id:n.id,
                                type:n.type, msg:"a log message",z:'789'}, loginfo);
-            Log.log.restore();
             done();
         });
         it('produces a log message with a name', function(done) {
-            var n = new RedNode({id:'123', type:'abc', name:"barney", z:'789'});
+            var n = new RedNode({id:'123', type:'abc', name:"barney", z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
             var loginfo = {};
-            sinon.stub(Log, 'log', function(msg) {
-                loginfo = msg;
-            });
             n.log("a log message");
             should.deepEqual({level:Log.INFO, id:n.id, name: "barney",
                               type:n.type, msg:"a log message",z:'789'}, loginfo);
-            Log.log.restore();
             done();
         });
     });
 
     describe('#warn', function() {
         it('produces a warning message', function(done) {
-            var n = new RedNode({id:'123',type:'abc',z:'789'});
+            var n = new RedNode({id:'123',type:'abc',z:'789', _flow: {log:function(msg) { loginfo = msg;}}});
             var loginfo = {};
-            sinon.stub(Log, 'log', function(msg) {
-                loginfo = msg;
-            });
             n.warn("a warning");
             should.deepEqual({level:Log.WARN, id:n.id,
                               type:n.type, msg:"a warning",z:'789'}, loginfo);
-            Log.log.restore();
             done();
         });
     });
@@ -696,7 +684,8 @@ describe('Node', function() {
     describe('#error', function() {
         it('handles a null error message', function(done) {
             var flow = {
-                handleError: sinon.stub()
+                handleError: sinon.stub(),
+                log:sinon.stub()
             }
             var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
             var message = {a:1};
@@ -712,7 +701,8 @@ describe('Node', function() {
 
         it('produces an error message', function(done) {
             var flow = {
-                handleError: sinon.stub()
+                handleError: sinon.stub(),
+                log:sinon.stub()
             }
             var n = new RedNode({_flow:flow, id:'123',type:'abc',z:'789'});
             var message = {a:2};