After many months of hard work the Freespace 2 Source Code Project team have released a new version of Freespace Open. The details of this new release can be found in the 3.6.7 Readme File.
Detailed installation instructions can be found here.
For those of you running Linux and those of you with a Pentium 4/Athlon XP/64 there are builds targetted specifically at you. To find these builds and also to discuss the release in general please visit the official release thread at HLP.