The changelog below explains why this release took quite a long time, as many core features were changed and updated. The previous version 0.6.5 was difficult to connect with other users, so this release is truly a big step forward, and if you were planning to test this network out, this is the best version to get going with.
See 
Release notes for v0.6.6
by Cyril on RetroShare Team
#technology #socialnetwork #P2P #retroshare #opensource