Delta Keyer causes issues - crash or frozen viewers

Anytime I bring RAW footage in- and apply the Delta Keyer in Fusion- things start to break - especially when I go into Matte mode / pre-matte mode in DK. And when I have a clean plate input

The screen stops updating - and the program seems to work but when I close the app - the Davinci resolve process is still running - I have to kill task to restart DVR15

I can record it when this happens - if need be

Any one else getting this

Thanks

[Peter Chamberlain]

Is this a HD res RAW clip?
Your raw clip is likely using the GPU for debayer, using up much of your GPU memory.

Without system info, clip info and logs its a bit hard to repo.

I get the same and generally buggy behavior with a 10 bit GH5 file as input.

The background and the main key clip are not the same size - often. (even though I resize to get them the same size...)
It almost always happens when you click in and out of Matte view in the DK
The next time it happens I will record it and send the files

the other thing i that the picker does not work - I have to choose color then go into choose color - again I can make a video of this

thanks