Most of the time the game crashes when I save a ship design, the ship design isn't lost though. this is the crash report: https://drive.google.com/file/d/193mnOKTxy0YaJHT-aLA7xfqLGoxt2Ei_/view
If the link didn't work.
That Google drive link does not work for me, but it's possible this is fixed in the latest release candidate (see announcements).
Also, is there anything unusual about your setup, like running on a VM or anything like that?