Comment by john_alan

hey sure!

Not an exhaustive list but some simple recent examples:

in Messages on macOS across 3 Macs I own, turning on and off the global 'read receipts' setting has no effect, not even from the perspective of iOS. The iOS setting does seem to work though.

Bugs in iOS mail where notifications just freeze the app.

Layout issues in macOS settings.

Memory leaks in WindowServer.

Many iCloud services inconsistent and non-reliable.

Apple Pay not showing correctly in Apple Account settings.

Lots of little hiccups...