Ok, setting the keyboard layout to US makes <enter> working again. Here 3x <enter>:
$ setxkbmap -model pc105 -layout us $ openscad --debug=scintillaeditor scintillaeditor: KeyPress - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: shift ctrl alt meta keypad group scintillaeditor: KeyPress - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: shift ctrl alt meta keypad group scintillaeditor: KeyPress - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: SHIFT ctrl alt meta keypad group scintillaeditor: KeyRelease - modifiers: shift ctrl alt meta keypad group Two KeyRelase for one KeyPress is a bit strange. > 2. See if you can reproduce the problem with the Qt example program > "codeeditor", as in the Qt bug. It is available from package > qtbase5-examples as > /usr/lib/x86_64-linux-gnu/qt5/examples/widgets/widgets/codeeditor/codeeditor No, here the <enter>-key works as expected. > 3. It would be interesting to try to downgrade Qt to some 5.15.4 version and > see if that solves the problem. However, I'm not sure how feasible that is, > the dependencies around Qt are probably quite complex. The bug also mentions > that reverting patch from QTBUG-49771 fixes their issue, but again I'm not > sure how easy it would be to get a rebuilt Qt with that patch reverted to > test with. This is a thing most likely to solve the problem, 'cause the update I dis on 5th November replaced QT 5.15.4 with 5.15.6. Is there an archive where I can get the old version? Nik > Would be good to determine if the bug QTBUG-95108 could be the root cause. > If not, I'll try to think of a way to debug what is eating the KeyPress > events before they get into the openscad Editor event handler code. > > - Kristian. > -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ...