I had similar issues with my XT-4, I partially solved, so the camera work pretty good !, turning off the setting "Force Bulb".
My Setup is:
- Laptop with Ubuntu 20.10
- Kstars-Ekos (latest Stable)
- Indi Lib (Latest Stable)
- QHYCCD 5II (PHD2 as Indi Camera)
- SW Eq3 Pro Synscan GoTo (Modified)