# v0.76b 02/02/2014 * Feature #5990: EC: [link] Factor out the ReplciatedPG object replication and client write paths * Feature #5996: EC: [link] PG::calc_acting and friends should always choose the shortest of the available logs * Feature #5997: EC: [link] Refactor scrub to use PGBackend methods * Feature #6173: Add LevelDB support to ceph cluster backend store * Feature #6831: EC: Adapt ReplicatedPG read path to handle async reads * Feature #6832: EC: Adapt pg log to include information necessary for rollback * Bug #7211: Mon: does not validate snapshot removal commands * Fix #7215: mon: prevent old monitors which do not support new encodings from joining the cluster