Important: If you are not running 4.1.9r1 (released November 30th) or newer, make sure you read the associated information on upgrading to 4.1.9r1 before you upgrade to 4.1.10r2.
This release is very similar to 4.1.10r1, with only a few bug fixes. We encourage every user on 4.1 to upgrade to this version.
See the change log for details on this and previous releases.