Version 0.3.0 is out now with some new exciting things
https://github.com/switchports/xash3d-switch/releases/tag/v0.3.0
Please report all bugs on GitHub.
sadly due to the way the save system works, it can easily take a lot of file operations. depending on the situation it might take 2 seconds or 20 (or more). But I find it to be much better now
I am aware of the hard crash and it is documented in the release notes. But the current behavior is more in close with the correct usage of libnx, and reviewing the stack trace it seems to be the hbmenu process causing the cash. But this is probably triggered by not closing / freeing something...