This bug was fixed in the package compiz - 1:0.9.12.3+16.04.20171116-0ubuntu1
--------------- compiz (1:0.9.12.3+16.04.20171116-0ubuntu1) xenial; urgency=medium [ Eleni Maria Stea ] * Added option to disable blend in grid plugin (LP: #1700859) * Move: add options for showing only the window shape (filled or not) (LP: #1700859) [ Alberts Muktupāvels ] * Ensure that surfaces used by metacity theme have device scale set to 1 . (LP: #1530277) (LP: #1530277) * Use AnyPropertyType when getting _MOTIF_WM_HINTS property. (LP: #1702297) [ Martin Wimpress ] * mate: Avoid artefacts of Windows Thumbnail Previews (LP: #1606369) [ Marco Trevisan (Treviño) ] * move: damage all the border area in outline mode and ignore transparent colors (LP: #1700859) * grid: ignore alpha in colors when not blending, and fix animations (LP: #1700859) * resize: add support for disabling transparency and avoid over- damaging in outline mode (LP: #1700859) * Screen: add averageColor to get the current desktop average color * unity-lowgfx.ini: remove unsupported unity option -- Marco Trevisan (Treviño) <m...@3v1n0.net> Thu, 16 Nov 2017 23:00:54 +0000 ** Changed in: compiz (Ubuntu Xenial) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/1606369 Title: Compiz ‘Thumbnail Window Previews’ artefacts (further fix +) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1606369/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp