You can easily check that by looking the xserver commits, it isn't like they are hidden. The TearFree stuff was added by Sultan Alsawaf who doesn't work at Red

You can easily check that by looking the xserver commits, it isn't like they are hidden. The TearFree stuff was added by Sultan Alsawaf who doesn't work at RedHat (though note that above i wrote that this is the official RedHat position, that doesn't mean people from RedHat cant still contribute to the xserver).