If I understand correctly than this is compiz bug. Compiz should add _GTK_FRAME_EXTENTS to _NET_SUPPORTED.
https://git.gnome.org/browse/gtk+/commit/?id=5ced234144ce63decbf5afc8a3517290b9027018
Reverting above GTK+ commit should "fix" csd windows, but real fix is to add _GTK_FRAME_EXTENTS support to compiz.
If I understand correctly than this is compiz bug. Compiz should add _GTK_FRAME_EXTENTS to _NET_SUPPORTED.
https:/ /git.gnome. org/browse/ gtk+/commit/ ?id=5ced234144c e63decbf5afc8a3 517290b9027018
Reverting above GTK+ commit should "fix" csd windows, but real fix is to add _GTK_FRAME_EXTENTS support to compiz.