In Gentoo, we have been supporting custom policy packages for a while now. Unlike most other distributions, which focus on binary packages, Gentoo has always supported source-based packages as default (although binary packages are supported as well).
A recent commit now also allows CIL files to be used.
In between conferences, technical writing jobs and traveling, we did a few changes under the hood for SELinux in Gentoo.
First of all, new policies are bumped and also stabilized (2.20130411-r3 is now stable, 2.20130411-r5 is \~arch). These have a few updates (mergers from upstream), and r5 also …