I just downloaded this yesterday and installed it. After I removed the EQdir cable from my wiring harness, and replaced it with a flat USB 2.0 cable directly to the mount's USB-B port, the Air Pro booted up fine (all my settings had reset, was expected), mount connected at 115,200 baud as it should over USB, so I put it through its paces last night under a clear sky while I slept. Woke up with almost 4 hours of perfect, autofocused images, with multiple targets also showing meridian flip having occurred.
If anyone is having trouble, try replacing the SD card. The one that shipped with my Air Pro didn't last very long, I accidentally recorded some video to it one night, and it went into read-only mode to protect the data before the card fails. I bought a Samsung Endurance SD card (same one I've had in a Wyze cam recording 24/7/365 for over a year), and I've have had no issues with the Air Pro since. The easiest way to tell if this has happened is if your AAP isn't remembering changes you made to settings last time it was powered up, i.e. last time you used it, you were taking 120s previews, but when you boot it up this time, it has "defaulted" back to some other value. If this happens, you won't be able to write new, clean OS to the card because it is in read-only mode. If you download a newer version of the mobile app, the subsequent firmware upgrade will also run every time you re-connect. This is how I figured it out when it happened to me, but I had noticed the inability to remember settings before the update to the mobile app/firmware.