Changelog for 4.2.2 beta

The Changelog for 4.2.2 Beta is missing the fixes you included in 4.1.9 but not in the 4.2.x versions.
"Back-propagates some improvements and fixes from upcoming 4.2.2 release"

4.2.2 seems great! Good job!

Ok, I've added link 4.1.9 change list to 4.2.2 change list.