Crash in AmplitudeDestinationPlugin due to objc_moveWeak error in uploadsQueue.amplitude.com

[rakeshCradle19]

Expected Behavior

The Amplitude SDK should process events without crashing.

Current Behavior

The application crashes intermittently during the execution.
This crash impacts app stability and user experience.

Environment
• SDK Version: 1.6.2
• OS Version: iOS 18.2.1
• Device Model: iPhone 15 Pro Max

Below is the full stack trace:

Crashed: uploadsQueue.amplitude.com
0 libobjc.A.dylib 0xeea0 objc_moveWeak + 196
1 CoreFoundation 0x4da84 _CFXNotificationRegistrarAddObserver + 392
2 CoreFoundation 0x4d880 CFXNotificationRegistrarAdd + 576
3 CoreFoundation 0x4d060 _CFXNotificationRegisterObserver + 248
4 FirebasePerformance 0x121e8 -[FPRNetworkTrace start] + 508
5 FirebasePerformance 0x187d0 __InstrumentUploadTaskWithRequestFromDataCompletionHandler_block_invoke + 128
6 AppName 0x6e0720 closure #1 in EventPipeline.flush(completion:) + 40 (HttpClient.swift:40)
7 AppName 0x613e74 thunk for @callee_guaranteed () -> () + 4317150836 (:4317150836)
8 AppName 0x5152b4 thunk for @escaping @callee_guaranteed () -> () + 4316107444 (:4316107444)
9 libdispatch.dylib 0x3fa8 _dispatch_client_callout + 20
10 libdispatch.dylib 0x137fc _dispatch_lane_barrier_sync_invoke_and_complete + 56
11 AppName 0x6dfff8 EventPipeline.flush(completion:) + 65 (EventPipeline.swift:65)
12 AppName 0x6df9f8 EventPipeline.put(event:completion:) + 47 (EventPipeline.swift:47)
13 AppName 0x6c44c4 AmplitudeDestinationPlugin.enqueue(event:) + 17 (AmplitudeDestinationPlugin.swift:17)
14 AppName 0x6c45ec AmplitudeDestinationPlugin.groupIdentify(event:) + 36 (AmplitudeDestinationPlugin.swift:36)
15 AppName 0x6c8454 DestinationPlugin.execute(event:) + 47 (DestinationPlugin.swift:47)
16 AppName 0x68c378 closure #1 in Amplitude.process(event:) + 31 (Mediator.swift:31)
17 AppName 0x404bf0 thunk for @escaping @callee_guaranteed () -> () + 4314991600 (:4314991600)
18 libdispatch.dylib 0x2248 _dispatch_call_block_and_release + 32
19 libdispatch.dylib 0x3fa8 _dispatch_client_callout + 20
20 libdispatch.dylib 0xb5cc _dispatch_lane_serial_drain + 768
21 libdispatch.dylib 0xc124 _dispatch_lane_invoke + 380
22 libdispatch.dylib 0x1738c _dispatch_root_queue_drain_deferred_wlh + 288
23 libdispatch.dylib 0x16bd8 _dispatch_workloop_worker_thread + 540
24 libsystem_pthread.dylib 0x3680 _pthread_wqthread + 288
25 libsystem_pthread.dylib 0x1474 start_wqthread + 8

[crleona]

Hi @rakeshCradle19, this appears to be a crash from Firebase, please see firebase/firebase-ios-sdk#14275.

I'd also recommend updating to the latest version of our SDK (1.11.2), as it contains some unrelated fixes.