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…

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