Today Microsoft is releasing Windows 11 Build 26100.994 (KB5039304) to Insiders in the Release Preview Channel. Details as follows:

This update includes the following features and improvements:

  • This update addresses an issue that affects Windows Defender Application Control (WDAC). It fails to verify the policies of some apps.
  • This update addresses an issue that affects WDAC. It reports a certain class of its policies as not active or not authorized.
  • This update addresses an issue that might cause DWM.exe to stop responding.
  • This update brings Country and Operator Settings Asset (COSA) profiles up to date for certain mobile operators.
  • This update addresses an issue that affects Unified Write Filter (UWF). Windows Management Instrumentation (WMI) API calls to shut down or restart a system throws an access denied exception.
  • This update addresses an issue believed to be the underlying cause of some Insiders noticing stutters in some animations recently (dropping frames), particularly with Task View.