# v0.41 01/20/2012 * Feature #390: Implement bdrv_snapshot_goto (Rollback), bdrv_snapshot_delete * Feature #1658: osd: backfill instead of backlog * Bug #1750: xattr errors silently ignored, cause trouble later * Feature #1781: qa: readwrite and roundtrip rgw tests in qa suite * Documentation #1815: document librados C api * Bug #1832: osd: size tracking discrepancy (scrub stat mismatch) * Feature #1884: plan encoding strategy to test+facilitate non-disruptive upgrades * Cleanup #1886: objecter/osd: mux/demux in MOSDOpReply encoding * Feature #1887: mon: ability to specify pg_num for new pools * Bug #1898: very long scrub blocked write operation * Bug #1905: osd: preserve pg log when resetting backfill * Bug #1925: osd: segfault during _scan_list * Bug #1935: teuthology: readwrite/roundtrip jobs run manually, but not in suite * Bug #1936: teuthology: github downtime -> failed runs