All of Apple's software is rotting, from OSX to iOS to the developer tools. Massive bugs like the keyboard no longer working properly [1] are left unresolved for years. Whichever executive or engineering leader used to keep the quality bar high must have left or stopped paying attention. There also seems to be little culture of quality and ownership at the IC level.

[1] https://www.youtube.com/watch?v=hksVvXONrIo

They've just gotten some substantial amount of traffic of defectors from ChatGPT, so their system may be creaking under the load. They have previously said they don't degrade their models under excessive load, but the models sure behave like they do.