Steps to reproduce: 1. In Wayland session, Launch any SDL game such as OpenArena or Urban Terror 2. Adjust gamma settings Expected Results: Gamma levels change like in xorg 1.9 (or < 1.6.99.9) session, Relaunch game Actual Results: Gamma levels do not change leaving all games too dark to play The xorg-server version of this bug was fixed in Bug 27222 with https://cgit.freedesktop.org/xorg/xserver/commit/?id=b4e46c0444bb09f4af59d9d13acc939a0fbbc6d6
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