I use my Touptek ATR3CMOS26000KPA (IMX571 color) in Kstars/Ekos It works well!
but I don't know in case of ATR3CMOS26000KMA (IMX571 mono)
a few weeks ago, mono version was not working but now it
There is an ongoing discussion on this camera.
I am an owner of this cam. Works fine with INDI apart the issues I mention on the other discussion.
The driver toupdate covers the toupcam and this cam too.
There is in controls tab of the Touptek driver panel a button heat that propose 2 options connected or disconnected. Maybe this is the dew heater. But I am not sure.