SilverStripe 3.1.12 stable is now available, and all users of 3.1.11 or older are strongly advised to upgrade.
This update includes some recently disclosed security issues, and has been released early in order to minimise harm. We apologise for any issues this release schedule could cause some users.
Release and upgrading notes can be found at http://docs.silverstripe.org/en/changelogs/3.1.12/.
Download: http://www.silverstripe.org/software/download/.
Announcement: https://groups.google.com/forum/#!topic/silverstripe-announce/gHVWD_wOI-o