same issue from firebase crashlytics iOS 16.0.0 iPhone 11 pro Max
Crashed: com.apple.TextToSpeech.SpeechThread
0 libobjc.A.dylib 0x3518 objc_release + 16
1 libobjc.A.dylib 0x3518 objc_release_x0 + 16
2 libobjc.A.dylib 0x15d8 AutoreleasePoolPage::releaseUntil(objc_object**) + 196
3 libobjc.A.dylib 0x4f40 objc_autoreleasePoolPop + 256
4 libobjc.A.dylib 0x329dc objc_tls_direct_base<AutoreleasePoolPage*, (tls_key)3, AutoreleasePoolPage::HotPageDealloc>::dtor_(void*) + 168
5 libsystem_pthread.dylib 0x1bd8 _pthread_tsd_cleanup + 620
6 libsystem_pthread.dylib 0x4674 _pthread_exit + 84
7 libsystem_pthread.dylib 0x16d8 _pthread_start + 160
8 libsystem_pthread.dylib 0xba4 thread_start + 8