http://code.google.com/p/memcached/wiki/ReleaseNotes1415

http://code.google.com/p/memcached/wiki/ReleaseNotes1414

http://code.google.com/p/memcached/wiki/ReleaseNotes1413

http://code.google.com/p/memcached/wiki/ReleaseNotes1412

http://code.google.com/p/memcached/wiki/ReleaseNotes1411

http://code.google.com/p/memcached/wiki/ReleaseNotes1411-rc1

http://code.google.com/p/memcached/wiki/ReleaseNotes1411-beta1

http://code.google.com/p/memcached/wiki/ReleaseNotes1410

http://code.google.com/p/memcached/wiki/ReleaseNotes149

Beta with some lock scaling patches