Mercurial project is a lightweight, fast Source Control Management system designed for the efficient handling of very large distributed projects.
Mercurial is used by a number of large projects that require fast, reliable distributed revision control, such as Xen, OpenSolaris, and MoinMoin.
Mercurial is very easy to learn. Product's homepage
What's New in This Release: [ read full changelog ]
· This is a regularly-scheduled feature release. The most notable feature is a new safe '--amend' option for commit using our new phases infrastructure. There are also a number of signficant performance improvements for large repositories and improvements for case-folding filesystems.