I've seen the reduced rate take affect in December, 2020 for USA sales. On January 2nd, 2020 I have still not seen a reduced rate for European sales, which are still at 30%.

Replying in hopes to get some more interest in this topic. Am I the only one that feels like the documentation is still (after quite a bit of time) is just woefully lacking? Where's the notorious missing manual when you need it?

I too am getting crashes on my iOS 12 and iOS 14 devices when running XCode 15. In my case, the crash happened just after the splash screen appears and the stack showed the app was trying to load. It works fine on my iOS 17 devices. I updated the "OTHER_LDFLAGS" in my project to include "-Wl -ld_classic" and it seems to have solved the issue for now. Unfortunately I'm not sure if using a "classic linker" makes any sense or will have repercussions.