"If all goes according to plan, X.Org 7.4 will finally be
released this month. This release isn't quite as elaborate as X.Org
7.3, which introduced input hot-plugging, EXA enhancements, and
RandR 1.2 to just name a few features, but X.Org 7.4 is another
update better enhancing this X server. In this article, we are
presenting a release overview of the features to be found in X.Org
7.4, what's been delayed, and how this release is panning out.
"X Server 1.5.0 / X.Org 7.4 was originally slated for release in
March of 2008, but that has come and passed..."