Redis 2.8.9 has been released on April 22nd 2014, bringing the HyperLogLog data structure…
You can read more about it in this blog post.
Beside this great announcement, the “Sorted Set” data type has now support for lexicographic range queries, check the new commands ZRANGEBYLEX, ZLEXCOUNT and ZREMRANGEBYLEX, which are documented at http://redis.io.
The upgrade urgency is low because only new features were introduced, no bugs were fixed.
The packages are now available for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze” on both amd64 and i386 architectures.