I have the same behavior since yesterday. I tried to install unstable version, with no change.
Same bug reported as #794102. $ cat /var/log/dpkg.log|grep " installed"|grep amd64|grep kwin 2015-07-28 22:33:35 status installed libkwinxrenderutils6:amd64 4:5.3.2-2 2015-07-28 22:33:35 status installed libkwineffects6:amd64 4:5.3.2-2 2015-07-28 22:33:35 status installed libkwinglutils6:amd64 4:5.3.2-2 2015-07-28 22:33:36 status installed libkwin4-effect-builtins1:amd64 4:5.3.2-2 2015-07-28 22:33:36 status installed kwin-common:amd64 4:5.3.2-2 2015-07-28 22:33:36 status installed kwin-x11:amd64 4:5.3.2-2 2015-07-29 10:35:59 status installed libkwineffects1abi5:amd64 4:4.11.13-2 2015-07-29 10:36:00 status installed libkwinglesutils1:amd64 4:4.11.13-2 2015-07-29 10:36:00 status installed libkwinglutils1abi2:amd64 4:4.11.13-2 2015-07-30 22:32:59 status installed kwin-common:amd64 4:5.3.2-3 2015-07-30 22:32:59 status installed kwin-x11:amd64 4:5.3.2-3 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/55bb7cc1.3020...@friry.net