I just experienced another full freeze of the A350 after an auto step climb to FL400.
The entire aircraft systems stopped responding, displays were frozen, inputs had no effect, but the simulator itself was still running.
I opened the Dev Console and saw several repeating error messages, such as:
Key values outside of a section (ivao_mtl...) and [Coherent GT] Failed to locate file vfs://html_ui/global/undefined.
After ending the flight and reloading the autosave file, the aircraft worked normally again.
It seems similar to a WASM crash, but the simulator does not CTD, it’s more like a soft freeze or FMGC deadlock after the automatic step climb.
I use the latest MS Store Version of FS24