Redis 2.8.7 has been released on March 5th 2014, bringing a lot of fixes… Take a look at the Changelog for more details.
The upgrade urgency is low for Redis, low for Sentinel. However this release adds new features so users may want to upgrade in order to exploit the new functionalities.
The packages are now available for both Debian 7.0 “Wheezy” and Debian 6.0 “Squeeze” on both amd64 and i386 architectures.