Hi, we are facing the same issue : Date/Time: 2022-06-29 08:37:19.0160 +0100 Launch Time: 2022-06-27 20:29:15.7296 +0100 OS Version: iPhone OS 15.5 (19F77) Release Type: User Baseband Version: 2.54.02 Report Version: 104 Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000001, 0x000000021536806c Exception Note: EXC_CORPSE_NOTIFY Termination Reason: SIGNAL 5 Trace/BPT trap: 5 Terminating Process: exc handler [11588] Triggered by Thread: 16 Thread 16 name: Thread 16 Crashed: 0 libquic.dylib 0x000000021536806c qlog_abort_internal + 276 (qlog.c:190) 1 libquic.dylib 0x0000000215368058 qlog_abort_internal + 256 (qlog.c:188) 2 libquic.dylib 0x00000002153209e4 quic_send_frames_for_key_state + 3928 (strict.h:96) 3 libquic.dylib 0x000000021532d1e0 quic_migration_probe_path + 1532 (protocol_quic.c:579) 4 libquic.dylib 0x0000000215330010 quic_migration_new_cid + 156 (quic_migration.c:803) 5 libquic.dylib 0x000000021530e0e0 quic_frame_process_NEW_CONNECTION_ID + 4080 (quic_frame.c:1675) 6 libquic.dylib 0x00000002153617cc quic_frame_process + 140 (quic_frame.c:3457) 7 libquic.dylib 0x00000002153139c4 quic_process_inbound + 1376 (protocol_quic.c:1443) 8 libnetwork.dylib 0x00000001a538a5f0 nw_protocol_data_access_buffer + 1064 (protocol_implementation.m:6076) 9 libquic.dylib 0x00000002153127cc __quic_handle_inbound_block_invoke + 152 (protocol_quic.c:2761) 10 libquic.dylib 0x00000002152fe0bc quic_handle_inbound + 124 (protocol_quic.c:2757) 11 libnetwork.dylib 0x00000001a536d48c __nw_protocol_implementation_get_input_internal_block_invoke + 136 (protocol_implementation.m:1459) 12 libnetwork.dylib 0x00000001a536c60c nw_protocol_implementation_get_input_internal + 252 (frame_internal.h:1246) 13 libnetwork.dylib 0x00000001a536b7f8 nw_protocol_implementation_read + 436 (protocol_implementation.m:1852) 14 libnetwork.dylib 0x00000001a536af08 nw_protocol_implementation_input_available + 96 (protocol_implementation.m:1890) 15 libnetwork.dylib 0x00000001a52c1698 nw_channel_add_input_frames + 9236 (channel.c:1362) 16 libnetwork.dylib 0x00000001a52bf198 nw_channel_update_input_source + 328 (channel.c:1462) 17 libnetwork.dylib 0x00000001a52be3a4 __nw_channel_create_block_invoke.29 + 72 (channel.c:2387) 18 libdispatch.dylib 0x00000001a3dcca30 _dispatch_client_callout + 20 (object.m:560) 19 libdispatch.dylib 0x00000001a3dcfeec _dispatch_continuation_pop + 500 (inline_internal.h:2622) 20 libdispatch.dylib 0x00000001a3de313c _dispatch_source_invoke + 1596 (source.c:596) 21 libdispatch.dylib 0x00000001a3dd5f80 _dispatch_workloop_invoke + 1784 (inline_internal.h:0) 22 libdispatch.dylib 0x00000001a3ddf500 _dispatch_workloop_worker_thread + 648 (queue.c:6732) 23 libsystem_pthread.dylib 0x0000000215a240bc _pthread_wqthread + 288 (pthread.c:2599) 24 libsystem_pthread.dylib 0x0000000215a23e5c start_wqthread + 8 The volume is increasing :-€ No idea which server may have activated Quic !