After new upgrades and removing ~/.xsession, session starts and I have window decorations.
There are other issues (I cannot put pidgin or kwallet in tray. I lost my hotkeys and cannot add new ones). I think it's due to migration in progress (4.12->4.14). KDE in stretch is broken. But that's another story. I will just wait new versions to be available. Merci, Benoit -- To UNSUBSCRIBE, email to debian-qt-kde-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/55bdedeb.5030...@friry.net