Just confirming that this page www.indilib.org/download.html
contains the up-to-date instructions for switching to/from the bleeding edge version? e.g.
As a result this is what UbuntuMate 20.0.4 shows when reverting to the stable branch
It's not clear to me how to ensure "make sure you're using the latest Indi when using the latest KStars" this is happening with this environment. It appears to be automatic (assuming I switch back to the nightlies).
Cheers