The windows should properly close when necessary, and the setup can no
longer loop itself because it didn't re-read the game version. You can
now select another profile's game installation when setting up a new
profile.
This includes Japanese, English, German and French - instead of being stuck to English only. I don't have access to a
Chinese or Korean client, so these options are not available.
Giant commit overhauling the interface to use KDE's Kirigami framework,
which is based on Qt Quick. The logic is all but rewritten, allowing
accounts to be separate from profiles.