Microsoft released the optional Windows 11 preview update KB5083631, introducing 34 quality improvements such as a new Xbox mode, haptic feedback, faster startup app launches, and enhanced batch file security. The update is non-security, intended for testing before Patch Tuesday, and also rolls out updated Secure Boot certificates while potentially triggering BitLocker recovery on some server devices. #KB5083631 #SecureBoot
Keypoints
- KB5083631 is an optional, non-security preview update that lets administrators test fixes and features before they ship on Patch Tuesday.
- You can install the update via Settings > Windows Update (click “Download and install” for optional updates) or from the Microsoft Update Catalog.
- The update adds a full-screen Xbox mode for Windows 11 PCs, accessible from the Xbox app, Game Bar settings, or Windows logo key + F11.
- It introduces a more secure processing mode for batch files and CMD scripts that prevents batch files from changing during execution.
- Updated Secure Boot certificates are rolling out and some Windows Server 2025 devices with certain BitLocker Group Policy settings may enter BitLocker recovery after the update.