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What's new in DevTools (Microsoft Edge 149) #3827

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67 changes: 67 additions & 0 deletions microsoft-edge/devtools/whats-new/149.md
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---
title: What's new in DevTools (Microsoft Edge 149)
description: todo. And more. # key words before col 158
author: MSEdgeTeam
ms.author: msedgedevrel
ms.topic: article
ms.service: microsoft-edge
ms.subservice: devtools
ms.date: 06/04/2026
---
# What's new in DevTools (Microsoft Edge 149)
<!-- todo: desc yaml field -->

These are the latest features in the Stable release of Microsoft Edge DevTools.


<!-- ====================================================================== -->
## Feature 1

<!-- Subtitle: .-->

desc

![Feature 1](./149-images/feature.png)


<!-- ====================================================================== -->
## Feature 2

<!-- Subtitle: .-->

desc

![Feature 2](./149-images/feature.png)


<!-- ====================================================================== -->
## Feature 3

<!-- Subtitle: .-->

desc

![Feature 3](./149-images/feature.png)


<!-- ====================================================================== -->
## Announcements from the Chromium project
<!-- https://developer.chrome.com/blog/new-in-devtools-149 -->

Microsoft Edge 149 also includes the following updates from the Chromium project:

* [DevTools for agents](https://developer.chrome.com/blog/new-in-devtools-149#agents)
* [AI assistance](https://developer.chrome.com/blog/new-in-devtools-149#ai-assistance)
* [WebMCP](https://developer.chrome.com/blog/new-in-devtools-149#webmcp)
* [Code completion for CSS](https://developer.chrome.com/blog/new-in-devtools-149#css-code-completion)
* [APCA color contrast guidelines promoted to stable](https://developer.chrome.com/blog/new-in-devtools-149#apca)
* [Dynamic Device Mode user agent](https://developer.chrome.com/blog/new-in-devtools-149#device-mode-user-agent)
* [Other highlights](https://developer.chrome.com/blog/new-in-devtools-149#misc)
<!-- todo: maybe remove some links -->


<!-- ====================================================================== -->
## See also

* [What's new in Microsoft Edge DevTools](./index.md)
* [Release notes for Microsoft Edge web platform](../../web-platform/release-notes/index.md)
12 changes: 8 additions & 4 deletions microsoft-edge/toc.yml
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href: ./devtools/whats-new/index.md
displayName: release notes, announcements
# latest 10 What's new
- name: Microsoft Edge 149
href: ./devtools/whats-new/149.md
displayName: What's new in DevTools (Microsoft Edge 149) # page title

- name: Microsoft Edge 148
href: ./devtools/whats-new/148.md
displayName: What's new in DevTools (Microsoft Edge 148) # page title
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- name: Microsoft Edge 140
href: ./devtools/whats-new/2025/09/devtools-140.md
displayName: What's new in DevTools (Microsoft Edge 140) # page title

- name: Microsoft Edge 139
href: ./devtools/whats-new/2025/08/devtools-139.md
displayName: What's new in DevTools (Microsoft Edge 139) # page title
# keep 10 items above
# -------------------------------------
- name: Archive
items:
- name: Microsoft Edge 139
href: ./devtools/whats-new/2025/08/devtools-139.md
displayName: What's new in DevTools (Microsoft Edge 139) # page title

- name: Microsoft Edge 138
href: ./devtools/whats-new/2025/06/devtools-138.md
displayName: What's new in DevTools (Microsoft Edge 138) # page title
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3 changes: 0 additions & 3 deletions microsoft-edge/web-platform/release-notes/149.md
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<!-- ====================================================================== -->
## Edge DevTools

See [What's new in Microsoft Edge DevTools](../../devtools/whats-new/index.md).
<!-- todo: when exists, use instead:
See [What's new in DevTools (Microsoft Edge 149)](../../devtools/whats-new/149.md).
-->


<!-- ====================================================================== -->
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