we have encountered this crash too. from the sensors we could see the crash scenario is users choosing the photos from gallery. but we could not reproduce it either. Crashed: com.apple.privacyaccounting.PAAccessLogger 0 libdispatch.dylib 0x194a8 dispatch_source_set_timer + 32 1 libdispatch.dylib 0x194a8 _dispatch_source_set_runloop_timer_4CF + 32 2 PrivacyAccounting 0xf1e8 -[PACoalescingIntervalTracker coalesce:] + 424 3 PrivacyAccounting 0x3d34 __22-[PAAccessLogger log:]_block_invoke + 360 4 libdispatch.dylib 0x13114 _dispatch_block_async_invoke2 + 148 5 libdispatch.dylib 0x3fdc _dispatch_client_callout + 20 6 libdispatch.dylib 0xb694 _dispatch_lane_serial_drain + 672 7 libdispatch.dylib 0xc214 _dispatch_lane_invoke + 436 8 libdispatch.dylib 0x16e10 _dispatch_workloop_worker_thread + 652 9 libsystem_pthread.dylib 0xdf8 _pthread_wqthread + 288 10 libsystem_pthread.dylib 0xb98 start_wqthread + 8 com.apple.main-thread 0 libsystem_platform.dylib 0xbe0 __bzero + 64 1 libsystem_platform.dylib 0xbe0 _platform_bzero + 64 2 ImageIO 0x1ff8c PNGReadPlugin::copyImageBlockSetStandard(InfoRec*, CGImageProvider*, CGRect, CGSize, __CFDictionary const*) + 1200 3 ImageIO 0x66dc4 PNGReadPlugin::copyImageBlockSet(InfoRec*, CGImageProvider*, CGRect, CGSize, __CFDictionary const*) + 44 4 ImageIO 0x19f98 IIO_Reader::CopyImageBlockSetProc(void*, CGImageProvider*, CGRect, CGSize, __CFDictionary const*) + 228 5 ImageIO 0x15aa8 IIOImageProviderInfo::copyImageBlockSetWithOptions(CGImageProvider*, CGRect, CGSize, __CFDictionary const*) + 744 6 ImageIO 0x1db4c IIOImageProviderInfo::CopyImageBlockSetWithOptions(void*, CGImageProvider*, CGRect, CGSize, __CFDictionary const*) + 828 7 ImageIO 0x6f50 IIOImagePixelDataProvider::getBytesImageProvider(void*, unsigned long) + 500 8 ImageIO 0x89c28 AppleJPEGWritePlugin::writeOne(IIOImagePixelDataProvider*, IIODictionary*, IIODictionary*, unsigned int) + 1228 9 ImageIO 0x89198 AppleJPEGWritePlugin::writeAll() + 404 10 ImageIO 0x6eaa0 IIO_Writer_AppleJPEG::write(void*, void*) + 84 11 ImageIO 0x3187c IIOImageDestination::finalizeDestination() + 652 12 ImageIO 0x9978 CGImageDestinationFinalize + 132 13 UIKitCore 0x42db24 _UIImageJPEGRepresentation + 652 14 HLLDriver-SEA 0xb453a0 -[UIImage(HLL) base64StringWithQuality:] + 18 (UIImage+HLL.m:18) 15 HLLDriver-SEA 0xd3e7b4 LMDImagePickerController.imagePickerController(_:didFinishPickingMediaWithInfo:) + 94 (LMDImagePickerController.swift:94) 16 HLLDriver-SEA 0xd3eafc @objc LMDImagePickerController.imagePickerController(_:didFinishPickingMediaWithInfo:) + 5844112 (<compiler-generated>:5844112) 17 UIKitCore 0x77a684 -[UIImagePickerController _imagePickerDidCompleteWithInfo:] + 92 18 UIKitCore 0x77a034 __60-[UIImagePickerController didSelectMediaWithInfoDictionary:]_block_invoke + 44 19 libdispatch.dylib 0x24b4 _dispatch_call_block_and_release + 32 20 libdispatch.dylib 0x3fdc _dispatch_client_callout + 20 21 libdispatch.dylib 0x127f4 _dispatch_main_queue_drain + 928 22 libdispatch.dylib 0x12444 _dispatch_main_queue_callback_4CF + 44 23 CoreFoundation 0x9aa08 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16 24 CoreFoundation 0x7c368 __CFRunLoopRun + 2036 25 CoreFoundation 0x811e4 CFRunLoopRunSpecific + 612 26 GraphicsServices 0x1368 GSEventRunModal + 164 27 UIKitCore 0x3a2d88 -[UIApplication _run] + 888 28 UIKitCore 0x3a29ec UIApplicationMain + 340 29 HLLDriver-SEA 0x590c main + 36 (main.m:36) 30 ??? 0x1abfc9948 (Missing) the related code is public func imagePickerController(   _ picker: UIImagePickerController,   didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]  ) {   if let block = completeBlock {    block(picker, info)   } else {    if (info[.mediaType] as? String) == "public.image" {     let image = (info[.originalImage] as? UIImage)?.normalized()     let base64 =      image?      .base64String(withQuality: 1.0)      .replacingOccurrences(of: "\r\n", with: "") ?? ""     let js = "\(callBackName)('data:image/jpeg;base64,\(base64)');"     sourceController?.evaluateJavaScript(jsStr: js) { _, _ in      picker.dismiss(animated: true, completion: nil)     }    }   }

we have encountered this crash too. from the sensors we could see the crash scenario is users choosing the photos from gallery. but we could not reproduce it either.