Every time I load a flight I get a CTD with 'threading violation' in the log.
2026-03-31 13:55:31 CL650[libsvs.c:4912]: libsvs(SVC): utilizing background rendering via IOSurface
Threading violation calling XPLMGetDatai (/Users/administrator/.gitlab-runner/builds/5iac3Er_D/0/x-plane/design/SDK/COMMON/xplanesdk/Src/XPLM/XPLMDataAccess.cpp:327)
Violation by Challenger 650 by Hot Start (hotstart.challenger650)
2026-03-31 13:55:31 CL650[except.c:120]: Caught SIGABORT: abort (0x1a049d5b0)
Backtrace is:
2 libsystem_platform.dylib 0x00000001a04e1764 _sigtramp + 56
3 libsystem_pthread.dylib 0x00000001a04d7888 pthread_kill + 296
4 libsystem_c.dylib 0x00000001a03dc850 abort + 124
5 XPLM 0x000000012aba52c4 _Z26__XPLMValidateThreadSafetyPKcS0_i + 536
6 XPLM 0x000000012ab938ac XPLMGetDatai + 56
7 systems.xpl 0x000000037117028c wfETC1_DecodeImage + 130948
8 systems.xpl 0x0000000370ed55b4 XPluginReceiveMessage + 4031316
9 systems.xpl 0x0000000370edbed0 XPluginReceiveMessage + 4058224
10 systems.xpl 0x00000003711a6e78 wfETC1_DecodeImage + 355184
11 systems.xpl 0x00000003711a3840 wfETC1_DecodeImage + 341304
12 libsystem_pthread.dylib 0x00000001a04d7c08 _pthread_start + 136
13 libsystem_pthread.dylib 0x00000001a04d2ba8 thread_start + 8
--=={This application has crashed!}==--
In the X-Plane release notes it acknowledges that the Challenger 650 is not compatible:
https://www.x-plane.com/kb/x-plane-12-4-1-release-notes/