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 2a6d0bdc6..4437f6c40 100644
--- 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
@@ -37,6 +37,8 @@ RED.palette = (function() {
 
     let paletteState = { filter: "", collapsed: [] };
 
+    let filterRefreshTimeout
+
     function createCategory(originalCategory,rootCategory,category,ns) {
         if ($("#red-ui-palette-base-category-"+rootCategory).length === 0) {
             createCategoryContainer(originalCategory,rootCategory, ns+":palette.label."+rootCategory);
@@ -460,6 +462,10 @@ RED.palette = (function() {
                     categoryContainers[rootCategory].close(true);
                 }
             }
+            clearTimeout(filterRefreshTimeout)
+            filterRefreshTimeout = setTimeout(() => {
+                refreshFilter()
+            }, 200)
 
         }
     }
@@ -559,7 +565,8 @@ RED.palette = (function() {
         paletteNode.css("backgroundColor", sf.color);
     }
 
-    function filterChange(val) {
+    function refreshFilter() {
+        const val = $("#red-ui-palette-search input").val()
         var re = new RegExp(val.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'),'i');
         $("#red-ui-palette-container .red-ui-palette-node").each(function(i,el) {
             var currentLabel = $(el).attr("data-palette-label");
@@ -655,7 +662,7 @@ RED.palette = (function() {
         $("#red-ui-palette-search input").searchBox({
             delay: 100,
             change: function() {
-                filterChange($(this).val());
+                refreshFilter();
                 paletteState.filter = $(this).val();
                 savePaletteState();
             }
@@ -735,6 +742,11 @@ RED.palette = (function() {
         } catch (error) {
             console.error("Unexpected error loading palette state from localStorage: ", error);
         }
+        setTimeout(() => {
+            // Lazily tidy up any categories that haven't been reloaded
+            paletteState.collapsed = paletteState.collapsed.filter(category => !!categoryContainers[category])
+            savePaletteState()
+        }, 10000)
     }
 
     function togglePalette(state) {