Create new user sudo cp -r /home/foo/.config ~/foo-config sudo chown -R connorcc ~/foo-config

for i in *; do\
        diff ~/.config/$i ~/foo-config/$i > /dev/null || echo $i\
done > test

do experiment (backup first!)

mv kwinrc kwinrc.BAK

Logout and log back in

[Compositing]
OpenGLIsUnsafe=false