On macOS 10.14 Mojave, KStars 3.5.9 connects without problem to my Microtouch focuser and my Celestron CGE Pro mount. (the released version KStars 3.6.0 doesn't run on Mojave yet)
However on macOS 11.6 Big Sur, both KStars 3.5.9 and KStars 3.6.0 don't connect.
I suspect that the drivers : indi_microtouch_focus and indi_celestron_gps are not 64-bit compatible

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