Originally Posted by AaronP
It's not the ABI change itself that's the problem, it's that combined with the fact that the extension ABI version number (which is the one libglx looks at) was not changed at the same time. I sent out a change to do that, but it's too late for the 1.11.0 release. Fortunately, working around the problem in libglx shouldn't be too hard and official support should appear in a release hopefully fairly soon.
So where would the fix be coming from, Xorg, Nvidia or both?
I am currently running 1.11 X with ignoreABI option. It seems OK but I am not using too much GL, just the screen saver and mplayer vo.