X Server 1.5
/ X.Org 7.4
was released at the end of September
. X Server 1.5.1
was quickly released around the same time and X Server 1.5.2
was released in early October. A month later we now have another bug-fix release for X Server 1.5. Adam Jackson has announced the release of X Server 1.5.3 with about 21 fixes.
The fixes in X Server 1.5.3 range from EXA to EDID to RANDR areas. The release announcement and change-log can be read on the X.Org mailing list