Qt based composer doesn't work without X11 while weston works.
I recently installed Qt11.5.2 and qtwayland. Qt-based composer works fine in x11, but when I try to run qt sample composers from tty I got some errors indicating that the composer could not initialize eglfs. But when I run weston from same tty it works fine.
I should note that I run the composer with
Out of curiosity (just to confirm), do you mean Qt 5.11.2? (I am sure Qt 11 won't be out for decades... ;) Unfortunately I don't use X11 so I can't really help.
@primem0ver Yes I'm using Qt5.11.2.