• Fixed: /etc/init.d/mongod startup script failure with dirname message SERVER-16081 633 

• Fixed: mongos can cause shards to hit the in-memory sort limit by requesting more results than needed SERVER-14306 634 

• All issues closed in 2.6.7 635 

## 2.6.6 – December 09, 2014 

• Fixed: Evaluating candidate query plans with concurrent writes on same collection may crash mongod SERVER-15580 636 

• Fixed: 2.6 mongod crashes with segfault when added to a 2.8 replica set with 12 or more members SERVER- 16107 637 

• Fixed: $regex , $in and $sort with index returns too many results SERVER-15696 638 

• Change: moveChunk will fail if there is data on the target shard and a required index does not exist. SERVER- 12472 639 

• Primary should abort if encountered problems writing to the oplog SERVER-12058 640 

• All issues closed in 2.6.6 641 

## 2.6.5 – October 07, 2014 

• $rename now uses correct dotted source paths SERVER-15029 642 

• Partially written journal last section does not affect recovery SERVER-15111 643 

• Explicitly zero .ns files on creation SERVER-15369 644 

• Plan ranker will no longer favor intersection plans if predicate generates empty range index scan SERVER- 14961 645 

• Generate Community and Enterprise packages for SUSE 11 SERVER-10642 646 

• All issues closed in 2.6.5 647 

## 2.6.4 – August 11, 2014 

• Fix for text index where under specific circumstances, in-place updates to a text -indexed field may result in incorrect/incomplete results SERVER-14738 648 

