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[Bug 1436553] Re: Transparent windows render black with Gtk3.16 and compiz


I tested the pubished Ubuntu Wily binary packages Friday night, same
results in gtk3.17: a nasty black border around all of GNOME's CSD
applications and no shadows in application popup windows. Shadows and
other composited effected seemed fine on server-side decorated windows
but not popup windows of any kind, which gtk now sees as csd windows.

 At least I was able to force transparency support in my customised MATE
build (with 3 lines of added source code per affected window), but GTK
3.17 at least is still not detecting by default that Compiz is a
composiitng window manager. It appears that the temporary fix GTK used
in 3.16 (no borders but no compositing or shadows) may have been
reverted based on those borders, similar to those that appeared with

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  Transparent windows render black with Gtk3.16 and compiz

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