It's worse than the data harvesting (which required two hours to turn off), irritating ads (for an OS you pay for) and generally schizophrenic UX (don't get me started on the Start menu).
The Windows team has gone far beyond typical bugs. They're introducing new classes of bugs; one day your computer's working fine and the next, your GPU's 3D performance (somehow) drops by a half — you know, the thing I bought the computer for? — https://www.guru3d.com/story/windows-11-kb5066835-update-tri...
The bug impacted CAD too, AFAICT btw, though I couldn't find a publication that tested this update on solidworks / shapr 3D etc.
They shipped a patch that started bricking SSDs, https://www.tomshardware.com/pc-components/ssds/latest-windo... / https://www.pcmag.com/news/pc-building-group-figures-out-why... / https://www.windowscentral.com/microsoft/windows-11/reports-...
Another that kept crashing on certain motherboards and processors with integrated graphics, https://windowsforum.com/threads/windows-11-24h2-intel-z890-...
If I didn't have a Solidworks license and Solidworks wasn't Windows only, I'd have switched to Steam OS or another linux distro a long time ago. I'm currently being held hostage by Dassault (and – to a lesser degree — the Windows-Gaming Industrial Complex).
Forget Apple Maps bad, this is Windows 11 bad.