Merge pull request #3627 from MicrosoftDocs/main

main to live - Nov. 5, 2025

Author: mikehoffms

microsoft-edge/devtools/whats-new/2025/10/devtools-142-images/activity-bar.png

@@ -0,0 +1,40 @@
+---
+title: What's New in DevTools (Microsoft Edge 142)
+description: Activity Bar horizontal in Edge 144. Application tool storage inspection for all worker types.  :target-current in Elements tool Styles tab.  Network tool filters requests on Is ad-related boolean. # key words before col 158
+author: MSEdgeTeam
+ms.author: msedgedevrel
+ms.topic: conceptual
+ms.service: microsoft-edge
+ms.subservice: devtools
+ms.date: 10/30/2025
+---
+# What's New in DevTools (Microsoft Edge 142)
+
+These are the latest features in the Stable release of Microsoft Edge DevTools.
+
+
+<!-- ====================================================================== -->
+## Activity Bar will only appear horizontally in Edge 144
+
+<!-- Subtitle: Starting with Microsoft Edge 144, the vertical Activity Bar will no longer be supported.-->
+
+Upcoming change:
+
+Starting with Microsoft Edge 144, the **Activity Bar** will always be displayed horizontally, at the top of the DevTools window.  Displaying the **Activity Bar** vertically will no longer be supported.
+
+![Horizontal Activity Bar](./devtools-142-images/activity-bar.png)
+
+
+<!-- ====================================================================== -->
+## Announcements from the Chromium project
+
+Microsoft Edge 142 also includes the following updates from the Chromium project:
+
+* [Miscellaneous highlights](https://developer.chrome.com/blog/new-in-devtools-142#misc)
+
+
+<!-- ====================================================================== -->
+## See also
+
+* [What's New in Microsoft Edge DevTools](../../whats-new.md)
+* [Release notes for Microsoft Edge web platform](../../../../web-platform/release-notes/index.md)

microsoft-edge/devtools/whats-new/2025/10/devtools-142.md

@@ -70,9 +70,12 @@
           href: ./web-platform/release-notes/134.md
           displayName: Microsoft Edge 134 web platform release notes (Mar. 2025)  # page title
 
-        - name: Microsoft Edge 133
-          href: ./web-platform/release-notes/133.md
-          displayName: Microsoft Edge 133 web platform release notes (Feb. 2025)  # page title
+        # keep 10 items above
+        - name: Archive
+          items:
+            - name: Microsoft Edge 133
+              href: ./web-platform/release-notes/133.md
+              displayName: Microsoft Edge 133 web platform release notes (Feb. 2025)  # page title
 
         - name: Site compatibility-impacting changes coming to Microsoft Edge
           href: ./web-platform/site-impacting-changes.md
@@ -113,6 +116,10 @@
               href: ./devtools/whats-new/whats-new.md
               displayName: release notes, announcements
 # latest 10 What's New
+            - name: Microsoft Edge 142
+              href: ./devtools/whats-new/2025/10/devtools-142.md
+              displayName: What's New in DevTools (Microsoft Edge 142)  # page title
+
             - name: Microsoft Edge 141
               href: ./devtools/whats-new/2025/10/devtools-141.md
               displayName: What's New in DevTools (Microsoft Edge 141)  # page title
@@ -149,15 +156,12 @@
               href: ./devtools/whats-new/2025/02/devtools-133.md
               displayName: What's New in DevTools (Microsoft Edge 133)  # page title
 
-            - name: Microsoft Edge 132
-              href: ./devtools/whats-new/2025/01/devtools-132.md
-              displayName: What's New in DevTools (Microsoft Edge 132)  # page title
-
             # keep 10 items above
             - name: Archive
               items:
-                - name: What's New in DevTools archive
-                  href: ./devtools/whats-new/whats-new-archive.md
+                - name: Microsoft Edge 132
+                  href: ./devtools/whats-new/2025/01/devtools-132.md
+                  displayName: What's New in DevTools (Microsoft Edge 132)  # page title
 
                 - name: Microsoft Edge 131
                   href: ./devtools/whats-new/2024/11/devtools-131.md

microsoft-edge/devtools/whats-new/whats-new-archive.md

@@ -160,6 +160,16 @@
       "redirect_url": "/microsoft-edge/devtools/whats-new/whats-new",
       "redirect_document_id": false
     },
+    {
+      "source_path": "../microsoft-edge/devtools-guide-chromium/whats-new/whats-new-archive.md",
+      "redirect_url": "/microsoft-edge/devtools/whats-new/whats-new",
+      "redirect_document_id": false
+    },
+    {
+      "source_path": "../microsoft-edge/devtools/whats-new/whats-new-archive.md",
+      "redirect_url": "/microsoft-edge/devtools/whats-new/whats-new",
+      "redirect_document_id": false
+    },
     {
       "source_path": "../microsoft-edge/devtools-guide-chromium/whats-new/2025/06/devtools-137.md",
       "redirect_url": "/microsoft-edge/devtools/whats-new/2025/06/devtools-137",
@@ -210,12 +220,6 @@
       "redirect_url": "/microsoft-edge/devtools/whats-new/2024/08/devtools-128",
       "redirect_document_id": false
     },
-    // movable, sits 10 below whats-new.md:
-    {
-      "source_path": "../microsoft-edge/devtools-guide-chromium/whats-new/whats-new-archive.md",
-      "redirect_url": "/microsoft-edge/devtools/whats-new/whats-new-archive",
-      "redirect_document_id": false
-    },
     {
       "source_path": "../microsoft-edge/devtools-guide-chromium/whats-new/2024/07/devtools-127.md",
       "redirect_url": "/microsoft-edge/devtools/whats-new/2024/07/devtools-127",