Just installed the new version 3.2.1. Love the new features but I think there is an issue with the cat control for PTT. When selecting a radio and doing a save the selection gets cleared. This may be how it is supposed to work. The other issue I see is that When using the cat control, one can not change the radio frequency from the VARAC User interface. This does work in the Omnirig configuration through.
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Both expected behavior.
for first thing about not saving - read this : https://www.varac-hamradio.com/forum/varac-discussion-forum/ft-991a-rig-name
For the frequency - this screenshot will better answer your question.
When you upgraded to 3.2.1 did you also copy over the .conf file for cat??