These release notes have been generated from the commit log of the 4.2 stream and the associated bugzillas.
The first commit is c931e969ea8971afefc867bd3a0a223537799fe9 in the master branch.
The last commit is 31c9b50ed9d3a82627843e3be2c0569da2426519 in the streams/4.2-maintenance branch.
The previous build of the 4.2 stream is R20130613-1157.