New paperdoll system are heavy on GPU af. It loads GPU up to 97-100% (on old cards at least) while you have slave info tab opened.
I'm trying to backport character info and slave shop interface from 6.10 to fix this shit.
This release is pretty bugged for now. You can try to copy project.binary from windows x64 version. Someone on the Maveriks discord says that worked for exact same problem in linux version.
Russian translation is also bugged and looks like machine-made.
p.s.: sorry for my englisth