The Patch Tuesday updates for the last few months have quietly rolled out a new UCPD driver. This new driver by Microsoft is seemingly intended to block default app switches by Registry hacks.
Kb5035845 RSS
Microsoft has released new Patch Tuesday updates today for March 2024 on Windows 10 versions 21H2, and 22H2 under KB5035845. There are also updates for older Windows 10 versions too.