I see that a lot of you are saying this happens only on certain voices. I only use one voice which is com.apple.speech.voice.Alex. And this crash occurs randomly (sometimes it works, sometimes it doesn't) in no particular cadence.
Relevant Stack Trace:
OS Version: iOS 14.3 (18C66)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: BUS_NOOP at 0x0000000119b00000
Crashed Thread: 34
Application Specific Information:
appendBytes:length: > appendData: > containsString: > countByEnumeratingWithState:objects:count: > dataUsingEncoding: > JBOs > path >
Attempted to dereference garbage pointer 0x119b00000.
Thread 34 Crashed:
0	 TextToSpeech										0x35cef4e38				 TTSCreateDecryptedDataFromEncryptedData
1	 TextToSpeech										0x35cef4e98				 TTSCreateDecryptedDataFromEncryptedData
2	 TextToSpeechBundleSupport			 0x36ec48670				 -[TTSVocalizer loadResource:mimeType:resourceURL:supportsAccurateWordCallbacks:]
3	 TextToSpeechBundleSupport			 0x36ec45a30				 -[TTSSpeechServerInstance _loadVoiceResource:voiceResource:]
4	 TextToSpeechBundleSupport			 0x36ec4550c				 -[TTSSpeechServerInstance _initializeSpeechEngine:]
5	 TextToSpeechBundleSupport			 0x36ec45790				 -[TTSSpeechServerInstance _initializeSpeech:]
6	 TextToSpeechBundleSupport			 0x36ec42c0c				 -[TTSSpeechServerInstance _processCurrentRequest:]
7	 TextToSpeechBundleSupport			 0x36ec43e40				 -[TTSSpeechServerInstance _handleSpeechThread]
8	 TextToSpeechBundleSupport			 0x36ec42bbc				 _SpeechThread
9	 libsystem_pthread.dylib				 0x3b3779b3c				 _pthread_start