Same here, this is now the top crash in our app and only occurs on iOS 18 Crashed: com.apple.IPC.ReceiveQueue 0 libsystem_platform.dylib 0x70c8 _os_unfair_lock_recursive_abort + 36 1 libsystem_platform.dylib 0x42d8 _os_unfair_lock_lock_slow + 308 2 WebKit 0xe2a5b0 void IPC::Connection::dispatchToClient<IPC::Connection::enqueueIncomingMessage(WTF::UniqueRef<IPC::Decoder>)::$_0>(IPC::Connection::enqueueIncomingMessage(WTF::UniqueRef<IPC::Decoder>)::$_0&&) + 44 3 WebKit 0xe2a224 IPC::Connection::enqueueIncomingMessage(WTF::UniqueRef<IPC::Decoder>) + 320 4 WebKit 0xe29ae4 IPC::Connection::processIncomingMessage(WTF::UniqueRef<IPC::Decoder>) + 304 5 WebKit 0x1d81c invocation function for block in IPC::Connection::platformOpen() + 740 6 libdispatch.dylib 0x40d0 _dispatch_client_callout + 20 7 libdispatch.dylib 0x7580 _dispatch_continuation_pop + 596 8 libdispatch.dylib 0x1b53c _dispatch_source_latch_and_call + 420 9 libdispatch.dylib 0x1a104 _dispatch_source_invoke + 836 10 libdispatch.dylib 0xb560 _dispatch_lane_serial_drain + 368 11 libdispatch.dylib 0xc1e0 _dispatch_lane_invoke + 380 12 libdispatch.dylib 0x17258 _dispatch_root_queue_drain_deferred_wlh + 288 13 libdispatch.dylib 0x16aa4 _dispatch_workloop_worker_thread + 540 14 libsystem_pthread.dylib 0x4c7c _pthread_wqthread + 288 15 libsystem_pthread.dylib 0x1488 start_wqthread + 8

Solved here https://stackoverflow.com/a/71667372/2957534

Same issue here