when quiting, not crashing, UE4Editor on linux I get this message
Signal 11 caught.
EngineCrashHandler: Signal=11
Segmentation fault (core dumped)
Here is my core dump file in a .tar.xz format, if you can’t un-compress that format please let me know what formats you can use and I will upload a different file.
System Specs, and this is with the latest 4.11 branch from github.