Last week we released a new version of OpenLucius: a lean and fast Drupal social collaboration distribution with features like: groups, social posts, messages, group chats, stories, file -and folder management, notebooks, categories, activity streams, notifications, @-mentions, comments and likes.
OpenLucius 2.0 has been in production for the last ~5 months, it's stable enough to go into beta! We also keep on improving: what we globally did since last release: