On Monday, 14 February 2022 at 00:39:30 UTC, Joel wrote: > My GtkD programs compile and run (on Monterey - works on > earlier versions), but not GUI displayed?! > > I asked on the GtkD forum, but they said about not having a mac > or something. Check this out: https://gitlab.gnome.org/GNOME/gtk/-/issues/4342 It may shed some light for you.