I have not been following this closely but post here in case something has changed in the stable release 3.4.3. Tonight might have been the first chance to image with this release.
I am getting the following error. I am west of Greenwich and the Astro-Physics Experimental has been working well for me for a couple of years.
Earlier there was some confusion whether the mount was parked or not at startup. The UI showed parked but selecting unpark gave measage: Telescope already unparked.