I am on 3.5.8 as well. The workaround for me is to disable the FITS viewer then I don't get the crashing when imaging.
I should say I didn't experience any crashing when I took lots of bias frames with FITS viewer on during the day, only experience frequent crashing when imaging at night whilst attempting observations. When I took the bias frames I had everything connected up just didn't turn the mount or dome on.
It seems crashing only happens with the observing sequence of focusing, aligning, guiding then imaging.
Running Kstars in the debugger and see lots of theses messages:
</oneNumber>
</setNumberVector>
Dispatch command error(-1): INDI: Could not find property CCD_TEMPERATURE in ZWO CCD ASI120MM Mini
<setNumberVector device="ZWO CCD ASI120MM Mini" name="CCD_TEMPERATURE" state="Idle" timeout="60" timestamp="2022-04-08T11:23:03">
<oneNumber name="CCD_TEMPERATURE_VALUE">
Strange but looking at the Indi Tab for the guide camera or selecting it in the imaging TAB , the temperature is being displayed.

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