Originally Posted by AaronP
Well, ABI 5.0 doesn't exist yet and it's up to the whims of the next X.Org release manager to decide when it will. That said, I plan to keep up-to-date experimental (i.e. requiring "-ignoreABI") support for the latest git master ABI in future driver releases, though I can't promise that I'll be able to keep up if sweeping changes get checked into git.
At least it works for xorg-server 1.5.0. For now that's enough for me.
The last time I tried the git version the driver refuses to start because of some ABI change. But maybe this was something else.