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Microsoft has released Windows 11 Insider Preview Build 23580 to Windows Insiders in the development channel.

Announcing Windows 11 Insider Preview Build 23580 (Dev Channel)

Hello Windows Insiders, today we are releasing Windows 11 Insider Preview Build 23580 to the Dev Channel. 

Changes and Improvements

[Copilot in Windows*]

  • Starting with Build 23580 in the Dev Channel, users with local accounts will be able to access Copilot in Windows for a limited number of queries before needing to sign in.

[Windows Share]

  • We have significantly improved nearby share transfer speed for users on same network. Before these changes, users had to be on the same private network but now users just have to be on the same network, which could be public or private. You can quickly turn on nearby share via Quick Settings and simply right-click on a local file in File Explorer, choose “Share”, and choose to share to a device listed under Nearby Share in the Windows share window.


  • [ADDED] We are temporarily disabling the update of our color font format to  COLRv1 (first introduced in  Build 23506) that displayed richer emoji with a 3D like appearance to fix some bugs. We plan to re-enable this in a future Dev Channel flight.


[File Explorer]

  • Fixed an issue where using mouse back and forward buttons didn’t react when hovering over the Recommended Files section of Home.
  • Fixed an issue where Gallery would stop displaying correctly if you applied Group By to all folders.


  • Fixed an issue that made the desktop tooltips in Task view hard to read in contrast themes.
  • Fixed an issue that was causing taskbar icons to disappear after switching desktops.

[Search on the Taskbar]

  • Fixed an issue where if your taskbar was close to being full of icons and you used the search box, clicking the search box would open search and then it would immediately close.

[Windows Spotlight]

  • Fixed an issue which was resulting in Windows Spotlight wallpapers not showing correctly in the desktop thumbnail in Task View.

NOTE: Some fixes noted here in Insider Preview builds from the Dev Channel may make their way into the servicing updates for the released version of Windows 11.

Announcing Windows 11 Insider Preview Build 23580 (Dev Channel)