LOW: No need to upgrade unless there are new features you want to use.
MODERATE: Program an upgrade of the server, but it's not urgent.
-HIGH: There is a critical bug that may affect some part of users. Upgrade!
+HIGH: There is a critical bug that may affect a subset of users. Upgrade!
CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP.
--------------------------------------------------------------------------------
+--[ Redis 2.6.7 ]
+
+UPGRADE URGENCY: MODERATE (unless you BLPOP using the same key multiple times).
+
+* [BUGFIX] Don't crash if BLPOP & co are called with the same key repeated
+ multiple times (Issue #801).
+
+--[ Redis 2.6.6 ]
+
+UPGRADE URGENCY: CRITICAL if you experienced one more more crashes.
+ MODERATE if Redis is running fine for you.
+
+* [BUGFIX] Jemalloc updated to 3.2.0.
+
+--[ Redis 2.6.5 ]
+
+UPGRADE URGENCY: MODERATE
+
+Warning: this release of Redis introduces a different behavior in MULTI/EXEC
+ handling of errors. This was done because the new behavior is safer
+ compared to the old one, and should not break any code targeting
+ Redis 2.6 in a critical way.
+
+ For more information check http://redis.io/topics/transactions
+
+* [IMPROVED] RDB/AOF childern now log amount of additional memory used
+ because of copy on write.
+* [BUGFIX] MIGRATE non critical fixes (see commits for details).
+* [BUGFIX] MULTI/EXEC: now EXEC aborts on errors before EXEC.
+* [BUGFIX] Fix integer overflow in zunionInterGenericCommand resulting
+ into Z[INTER|UNION][STORE] commands to crash under extremely
+ unlikely conditions (almost impossible in real world).
+* [BUGFIX] EVALSHA is now case insensitive (and will not crash).
+
+--[ Redis 2.6.4 ]
+
+UPGRADE URGENCY: LOW
+
+* [IMPROVED] BSD license and copyright notice added to every .c and .h file.
+
+--[ Redis 2.6.2 ]
+
+UPGRADE URGENCY: LOW
+
+* [BUGFIX] The compilation fix for RHLE5 in 2.6.1 was broken. Fixed.
+* [IMPROVED] Linenoise updated, now supports Ctrl+w.
+
+---[ Redis 2.6.1 ]
+
+UPGRADE URGENCY: LOW
+
+* [BUGFIX] Compilation on Linux < 2.6.17 or glibc < 2.6 fixed (RHLE5 & co).
+
+---[ Redis 2.6.0 ]
+
+UPGRADE URGENCY: HIGH
+
+* [BUGFIX] Allow AUTH when server is in -BUSY state because of a slow script.
+* [BUGFIX] MULTI/EXEC flow now makes sense when observed in MONITOR
+* [BUGFIX] SCRIPT KILL now uses different error prefixes for different errors.
+* [BUGFIX] Default memory limit for 32bit archs lowered from 3.5 to 3 GB.
+* [BUGFIX] redis-check-dump is now compatible with RDB files generated by 2.6.
+* [IMPROVED] New field in INFO: slave_read_only.
+
+---[ Redis 2.5.14 (2.6 Release Candidate 8) ]
+
+* [BUGFIX] Fixed compilation on FreeBSD.
+* [IMPROVED] SRANDMEMBER <count> that returns multiple random elements.
+* [IMPROVED] Sentinel backported to 2.6. It will be taken in sync with 2.8.
+* [IMPROVED] Helper function for scripting to return errors and status replies.
+* [IMPROVED] SORT by nosort [ASC|DESC] uses sorted set elements ordering.
+* [BUGFIX] Better resistence to system clock skew.
+* [IMPROVED] Warn the user when the configured maxmemory seems odd.
+* [BUGFIX] Hashing function is now murmurhash2 for security purposes.
+* [IMPROVED] Install script no longer uses a template but redis.conf itself.
+
+---[ Redis 2.5.13 (2.6 Release Candidate 7) ]
+
+UPGRADE URGENCY: HIGH
+
+* [BUGFIX] Theoretical bug in ziplist fixed.
+* [BUGFIX] Better out of memory handling (Log produced in log file).
+* [BUGFIX] Incrementally flush RDB file on slave side while performing the
+ first synchronization with the master. This makes Redis less
+ blocking in environments where disk I/O is slow.
+* [BUGFIX] Don't crash with Lua's redis.call() without arguments.
+* [BUGFIX] Don't crash after a big number of Lua calls on 32 bit systems
+ because of a failed assertion.
+* [BUGFIX] Fix SORT behaviour when called from scripting.
+* [BUGFIX] Adjust slave PING period accordingly to REDIS_HZ define.
+* [BUGFIX] BITCOUNT: fix crash on overflowing arguments.
+* [BUGFIX] Return an error when SELECT argument is not an integer.
+* [BUGFIX] Blocking operations on lists were completely reimplemented for
+ correctness. Now blocking list ops and pushes originated from
+ Lua scripts will play well together and will be replicated
+ and transmitted to the AOF correctly.
+* [IMPROVED] Send async PING before starting replication to avoid blocking if
+ master allows us to connect but it is actually not able to reply.
+* [IMPROVED] Support slave-priority for Redis Sentinel.
+* [IMPROVED] Hiredis library updated.
+
---[ Redis 2.5.12 (2.6 Release Candidate 6) ]
UPGRADE URGENCY: MODERATE.