USUM support is out   Is PKHeX compatible with Ultra Sun and Moon yet? No. There is no "stable" release of PKHeX that is compatible with USUM yet.   When will PKHeX be updated? It'll happen when it happens. Please let the developers work.   I'm a DEVELOPER. How can I contribute? PKHeX is open source and its code can be found on GitHub. If you'd like to report a bug please make sure that it hasn't already been reported under Issues, and that it ha