@kkarhan Yes. Please read this other part of the thread:

mas.to/@libreleah/113135360019

I have determined that Stenzek is indeed violating the GPL. I will be doing more auditing for this, and submit to those entities.

I'll contact Stenzek myself first, to tell him why I think the code should remain under GPL.

The freedom to fork, including for commercial purposes, is a right everyone must have and it's the reason free software thrives.

Also, there is a fork of DuckStation:

github.com/libretro/swanstatio