Chinese IME typing lag in certain apps (PowerPoint, Notepad). Fixed in later update (KB5031455).
Should you encounter severe bugs (e.g., boot loops on x64 RAID configurations), removal is straightforward:
Via Settings:
Via Command Line (elevated):
wusa /uninstall /kb:5031358 /quiet /norestart
Warning: Uninstalling a security update re-exposes your x64 system to all October 2023 vulnerabilities, including the HTTP/2 rapid reset attack. Only uninstall if absolutely necessary. Chinese IME typing lag in certain apps (PowerPoint,
Silent install with progress:
wusa.exe windows11.0-kb5031358-x64.msu /quiet /norestart
Quiet install with auto-restart:
wusa.exe windows11.0-kb5031358-x64.msu /quiet /forcerestart
Extract CAB from MSU (for DISM):
expand -F:* windows11.0-kb5031358-x64.msu .\extracted\
dism /online /add-package /packagepath:.\extracted\Windows11.0-KB5031358-x64.cab