[Bug 23988] Alt + Tab woes on Ubuntu and Debian.

http://bugs.winehq.org/show_bug.cgi?id=23988

--- Comment #1 from Dmitry Timoshkov   2010-08-13 10:27:34 ---
There is no need to attach that:

f2f508856ba9f3e5439f7123efd70ccc7599fc3f is the first bad commit
commit f2f508856ba9f3e5439f7123efd70ccc7599fc3f
Author: Alexandre Julliard 
Date:   Tue Jun 29 11:08:51 2010 +0200

winex11: Set the user time property on top-level windows.

Helps convince some broken window managers to put new windows on top
    of the z-order.

Did you try to revert that patch?

Sounds like a gnome-shell bug.