maximilianocuria added a comment.
I can reproduce the issue in openbox and cinnamon. I think this is related to qt5ct which always tries to print things to stderr. I guess having the debug messages enabled would also trigger the issue. The problem is no longer present with either version of the patch. REPOSITORY R107 KWallet PAM Integration REVISION DETAIL https://phabricator.kde.org/D12702 To: maximilianocuria, #plasma, aacid Cc: asturmlechner, rdieter, davidedmundson, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart