These release notes have been generated from the commit log of the 4.0 stream and the associated bugzillas.
The first commit is 599f437731224396424a20689ea6eabcee513846 in the streams/4.0-maintenance branch.
The last commit is 599f437731224396424a20689ea6eabcee513846 in the streams/4.0-maintenance branch.
The previous build of the 4.0 stream is M20120511-0436.