Microsoft has released Windows 11 Build 26300.7674 via KB5074170 to Insiders in the Dev channel. Starting today, the Dev channel is switching to the 26300 build branch. This will effectively remove the ability to switch to the Beta channel. If you're still on the Dev channel and want to switch to the Beta channel, when prompted to install build 26300.7674, you should pause updates in Windows Update, switch to the Beta channel, and then resume receiving updates.
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Builds 26300 will include many of the features and improvements introduced in build 26220 for the Beta channel. As the company continues to make changes to the platform, the list of known issues may vary.
What's new in Windows 11 Build 26300.7674 (Dev)
For Insiders with the "Get the latest updates as soon as they're available" toggle enabled
Fixes
File Explorer
- Fixed an issue where the Extract All option would not appear in the toolbar when browsing folders containing non-ZIP archives.
Start Menu
- Fixed an issue where for some Insiders, clicking the "Hide this panel" button in the Phone Link sidebar might not take you to the setting to hide the panel.
Search
- Fixed an issue where the Search process would display an X icon instead of a magnifying glass.
Settings
- We've made some changes to fix an issue where the Settings app home page could sometimes load very slowly.
Display
- Fixed an issue resulting in a small number of Insiders experiencing issues with additional monitors not working correctly (displaying a black screen) in recent builds.
Other
- Fixed an issue that could cause unexpected login failures when using Azure Virtual Desktop and Windows 365.
- Fixed an issue resulting in some Insiders experiencing a GSOD with the error code SYSTEM_SERVICE_EXCEPTION in recent flights.
Known issues
Start Menu
- [New] Working on a fix for an issue where, in the Start menu in Categories view, clicking an item to show more apps in a category may not work.
File Explorer
- [New] Working on a fix for an issue where all open File Explorer windows and tabs would sometimes unexpectedly move to the Desktop or Home page.
"Xbox Full Screen Experience" for PC
- Some applications may behave incorrectly when using FSE, especially if they have a fixed window size or launch additional windows.
Taskbar and system tray
- Investigating an issue where some Insiders aren't seeing apps in the system tray area when they should be.
Click to Do
- Investigating an issue where the Microsoft 365 Copilot input field for selected images doesn't work if Microsoft 365 Copilot isn't running.
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