diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d31d8f..acc9a6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## 2.5.10 - 2026-08-05
+
+### Fixed
+
+- Slide editor rich-text updates now keep the hidden field and preview state in sync after inline formatting actions.
+
 ## 2.5.9 - 2026-08-05
 
 ### Fixed
diff --git a/package.json b/package.json
index 17bff15..e157469 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pulse-signage",
-  "version": "2.5.9",
+  "version": "2.5.10",
   "private": false,
   "description": "Pulse Signage application with MySQL and media storage",
   "repository": {
diff --git a/src/web/public/js/slides/slide-form-editor.js b/src/web/public/js/slides/slide-form-editor.js
index 0d230dd..f509499 100644
--- a/src/web/public/js/slides/slide-form-editor.js
+++ b/src/web/public/js/slides/slide-form-editor.js
@@ -94,6 +94,39 @@ export function createSlideFormEditorController(options) {
     };
   }
 
+  function syncEditorState(regionId, editor, shouldLock, hydrated) {
+    if (editor && typeof editor.save === 'function') {
+      editor.save();
+    }
+
+    var content = editor.getContent({ format: 'html' });
+    content = isEmptyRichTextValue(content) ? '' : content;
+    var hidden = getEditorHiddenInput(regionId);
+    var sourceElm = editor && editor.targetElm ? editor.targetElm : null;
+
+    if (hidden) {
+      hidden.value = content;
+    }
+    if (sourceElm) {
+      sourceElm.value = content;
+    }
+    if (typeof editor.nodeChanged === 'function') {
+      editor.nodeChanged();
+    }
+    if (typeof editor.setDirty === 'function') {
+      editor.setDirty(true);
+    }
+    if (shouldLock && templateSelectorLock && typeof templateSelectorLock.arm === 'function') {
+      templateSelectorLock.arm();
+    }
+    if (shouldLock && templateSelectorLock && typeof templateSelectorLock.markEdited === 'function') {
+      templateSelectorLock.markEdited();
+    }
+    if (hydrated) {
+      requestPreviewRender();
+    }
+  }
+
   function getEditorRegionType(card) {
     if (!card) {
       return '';
@@ -228,38 +261,6 @@ export function createSlideFormEditorController(options) {
       });
     }
 
-    function syncEditorState(regionId, editor, shouldLock, hydrated) {
-      if (editor && typeof editor.save === 'function') {
-        editor.save();
-      }
-      var content = editor.getContent({ format: 'html' });
-      content = isEmptyRichTextValue(content) ? '' : content;
-      var hidden = getEditorHiddenInput(regionId);
-      var sourceElm = editor && editor.targetElm ? editor.targetElm : null;
-
-      if (hidden) {
-        hidden.value = content;
-      }
-      if (sourceElm) {
-        sourceElm.value = content;
-      }
-      if (typeof editor.nodeChanged === 'function') {
-        editor.nodeChanged();
-      }
-      if (typeof editor.setDirty === 'function') {
-        editor.setDirty(true);
-      }
-      if (shouldLock && templateSelectorLock && typeof templateSelectorLock.arm === 'function') {
-        templateSelectorLock.arm();
-      }
-      if (shouldLock && templateSelectorLock && typeof templateSelectorLock.markEdited === 'function') {
-        templateSelectorLock.markEdited();
-      }
-      if (hydrated) {
-        requestPreviewRender();
-      }
-    }
-
     function applyInlineFormat(regionId, editor, formatName) {
       if (editor && editor.undoManager && typeof editor.undoManager.transact === 'function') {
         editor.undoManager.transact(function () {