Microsoft has been fixing Windows 11's annoying white flash bug in File Explorer for over 2 years

The latest Windows 11 preview build mentions a fix for File Explorer that should stop it from flash banging you in dark mode.
Bleeping Computer

Microsoft still working to fix Windows Explorer white flashes

Microsoft has confirmed that it's still working to fully address a known issue that causes bright white flashes when opening the File Explorer on some Windows 11 systems. "Removed white flash when ...

KB5083631: Microsoft explains how Windows 11 will get significantly faster soon0 0

Microsoft says multiple upgrades are coming to Windows 11 components that should lead to a hefty performance improvement.
Forbes

Windows 11 Urgent Warning: Microsoft Confirms New Update Is Causing Annoying Issues

The latest Windows 11 optional update is KB5070311. It is the November 2025 update and it came a little late (Dec. 1). But now it’s here, it’s provided some headaches alongside the new improvements.