I know this is an old thread but did this ever get resolved? I want to use my GH5s and it doesn't seem to be supported by Ekos.
Some issues that I will point out are:
The camera is detected and seems to connect.
I cannot change the ISO or change the mode from FITS to native.
It doesn't matter what exposure time I select. The camera does capture an image but not with the exposure time I'm selecting. I have even tried forcing the camera to bulb mode first - no change.
The files transferred to the application after capture are random. Sometimes it looks like it is sending the image just captured. Other times it's selecting an image already on the SD card. Weird.
I'm attaching logs to see if you can determine is this can be corrected.