Excuse me if this is not the right place, but I don't know where else to post this. This ticket exists since 2012 and the issue remains until today. Extract Class (and maybe other refactorings?) are completely broken for abstract and sealed classes. The refactoring window simply closes and nothing else happens:
There is no comment from JetBrains anywhere. I also can't add comments to the ticket myself.
What's up with this ticket? Does JetBrains need further information to reproduce this or do they simply not care?