It's slow on Linux with a 4K display too, I don't know if I'd go as far as "unusable". I don't know what toolkit they're using or what's slowing it down but it

It's slow on Linux with a 4K display too, I don't know if I'd go as far as "unusable". I don't know what toolkit they're using or what's slowing it down but it's a really slow UI. It looks nice though.