https://bugs.winehq.org/show_bug.cgi?id=24501
--- Comment #24 from Esme Povirk madewokherd@gmail.com --- With the release of Wine Mono 5.1.1, I think this bug can be closed. Lots of stuff is broken in our version of WPF, but we have it and it has a decent chance of at least starting a given application.