I also think this issue can be closed. Thanks for investigating!
@AnErrupTion Unfortunately, I have just bluntly deleted them. Sorry! :(
Thanks, this was a good hint! I can confirm, after deleting the save.txt and save.ini files from the config directory, the login also works again for me with qtile and the current version...
@AnErrupTion Now I had the time to set up a virtual machine with a clean Arch Linux installation. I can confirm, the issue does not come up if I just install ly and qtile (and some other stuff...
@AnErrupTion What do you mean by 'fresh Arch install' exactly? Do you mean a full, clean re-install of a machine? Or just a re-install of the package, maybe including removal of the config file(s)?