what's new 128 content

microsoft-edge/devtools-guide-chromium/whats-new/2024/08/devtools-128.md

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+---
+title: What's New in DevTools (Microsoft Edge 128)
+description: "Use Copilot to explain HTML and CSS in the Elements tool. And more."
+author: MSEdgeTeam
+ms.author: msedgedevrel
+ms.topic: conceptual
+ms.service: microsoft-edge
+ms.subservice: devtools
+ms.date: 08/22/2024
+---
+# What's New in DevTools (Microsoft Edge 128)
+
+[!INCLUDE [Microsoft Edge team note for top of What's New](../../includes/edge-whats-new-note.md)]
+
+
+<!-- ====================================================================== -->
+## Updated labels for selector stats
+
+<!-- Subtitle: Use the "Enable CSS selector stats" setting instead of the "Enable advanced paint instrumentation (slow)" to capture CSS selector statistics for Recalculate Style events -->
+
+In the **Performance** tool, we've removed the duplicate **Selector Stats** label that appears in `Recalculate Style` event details. Selector stats can be enabled by using the dedicated setting for it.
+
+Also, the **Enable advanced rendering instrumentation (slow)** setting has been renamed back to **Enable advanced paint instrumentation (slow)**. Previously this setting was used for both paint instrumentation and selector stats. We updated the setting label since there's a dedicated setting for selector stats now.
+
+Before:
+
+![Old selector stats labels](./devtools-128-images/old-selector-stats.png)
+
+After:
+
+![New selector stats labels](./devtools-128-images/new-selector-stats.png)
+
+<!-- ====================================================================== -->
+## Fixed extra padding in the Activity Bar context menu headers
+
+<!-- Subtitle: Header titles in the Activity Bar are restored. -->
+
+In recent versions of Microsoft Edge, the context menus in the Activity Bar displayed some empty whitespace in the header:
+
+![Old context menu header](./devtools-128-images/missing-header-title.png)
+
+The context menus header has been changed back to include its title:
+
+![New context menu header](./devtools-128-images/header-title.png)
+
+<!-- ====================================================================== -->
+## Announcements from the Chromium project
+
+Microsoft Edge 128 also includes the following updates from the Chromium project:
+
+
+<!-- ====================================================================== -->
+<!-- uncomment if content is copied from developer.chrome.com to this page -->
+
+<!-- > [!NOTE]
+> Portions of this page are modifications based on work created and [shared by Google](https://developers.google.com/terms/site-policies) and used according to terms described in the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0).
+> The original page for announcements from the Chromium project is [What's New in DevTools (Chrome 127)](https://developer.chrome.com/blog/new-in-devtools-127) and is authored by [Sofia Emelianova](https://developers.google.com/web/resources/contributors) (Senior Technical Writer working on Chrome DevTools at Google). -->
+
+
+<!-- ====================================================================== -->
+<!-- uncomment if content is copied from developer.chrome.com to this page -->
+
+<!-- [![Creative Commons License](../../../../media/cc-logo/88x31.png)](https://creativecommons.org/licenses/by/4.0)
+This work is licensed under a [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0). -->