Windows 11 Dev build 26120.2122 is out with taskbar thumbnail improvements and more

A Windows 11 Insider Preview banner

Microsoft is finishing this week with two new builds in the Beta and Dev channels. The latter got build 26120.2122 (KB5044374) with a few improvements to the taskbar and system tray, Task Manager, windowing, and more.

Here is the changelog:

Changes and Improvements gradually being rolled out to the Dev Channel with toggle on

[General]

  • This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs.

[Taskbar & System Tray]

  • We’ve updated the previews that show when you mouse-over/hover over apps on the taskbar. We have also improved the animations for when these previews show on the taskbar based on Insider feedback.
The updates taskbar thumbnails

[Task Manager]

  • We’ve updated the design of the Disconnect and Logoff dialogs in Task Manager to now support dark mode and text scaling.
  • In the Performance section we now label listed disks with their type.

Fixes gradually being rolled out to the Dev Channel with toggle on

[Windowing]

  • Fixed an underlying issue which could cause the screen to go black for a few seconds for some people when using ALT + Tab.
  • Fixes for everyone in the Dev Channel

[General]

  • Fixed an issue causing some Insiders to see error 0x800f0825 when trying to install the latest Dev Channel builds.

[Other]

  • This update includes fixes for the following issues:
  • [Remote Desktop Gateway Service] Fixed: The service stops responding. This occurs when a service uses remote procedure calls (RPC) over HTTP. Because of this, the clients that are using the service disconnect.

Known issues in build 26120.2122 include the following:

[General]

  • This build may fail to install with error 0x800f0983. If you see this error, please try to install it again, as it should work on retry. If it stays on 0%, please be patient – it should proceed.

[Start menu]

  • If you click or tap on a letter on Start menu’s All apps list, the All apps list may break. If you encounter this issue, please try rebooting or restarting explorer.exe to fix it.

[Live captions]

  • [NEW] After installing this build, live captions may crash if you try to use it.

If you want, you can find the announcement blog post by clicking this link.

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