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DOCS-4488: add release notes, changelog for 2.6.6 #2075

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104 changes: 104 additions & 0 deletions source/release-notes/2.6-changelog.txt
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Expand Up @@ -4,6 +4,110 @@

.. default-domain:: mongodb

.. _2.6.6-changelog:

2.6.6 -- Changes
----------------

Security
~~~~~~~~

- :issue:`SERVER-15673` Disable SSLv3 ciphers
- :issue:`SERVER-15515` New test for mixed version replSet, 2.4 primary, user updates
- :issue:`SERVER-15500` New test for system.user operations

Stability
~~~~~~~~~

- :issue:`SERVER-12061` Do not silently ignore read errors when syncing a replica set node
- :issue:`SERVER-12058` Primary should abort if encountered problems writing to the oplog

Querying
~~~~~~~~

- :issue:`SERVER-16291` Cannot set/list/clear index filters on the secondary
- :issue:`SERVER-15958` The "isMultiKey" value is not correct in the output of aggregation explain plan
- :issue:`SERVER-15899` Querying against path in document containing long array of subdocuments with nested arrays causes stack overflow
- :issue:`SERVER-15696` $regex, $in and $sort with index returns too many results
- :issue:`SERVER-15639` Text queries can return incorrect results and leak memory when multiple predicates given on same text index prefix field
- :issue:`SERVER-15580` Evaluating candidate query plans with concurrent writes on same collection may crash mongod
- :issue:`SERVER-15528` Distinct queries can scan many index keys without yielding read lock
- :issue:`SERVER-15485` CanonicalQuery::canonicalize can leak a LiteParsedQuery
- :issue:`SERVER-15403` $min and $max equal errors in 2.6 but not in 2.4
- :issue:`SERVER-15233` Cannot run planCacheListQueryShapes on a Secondary
- :issue:`SERVER-14799` Count with hint doesn't work when hint is a document

Replication/Pairing
~~~~~~~~~~~~~~~~~~~

- :issue:`SERVER-16107` 2.6 mongod crashes with segfault when added to a 2.8 replica set with >= 12 nodes.
- :issue:`SERVER-15994` listIndexes and listCollections can be run on secondaries without slaveOk bit
- :issue:`SERVER-15849` do not forward replication progress for nodes that are no longer part of a replica set
- :issue:`SERVER-15491` SyncSourceFeedback can crash due to a SocketException in authenticateInternalUser

Sharding
~~~~~~~~

- :issue:`SERVER-15318` copydb should not use exhaust flag when used against mongos
- :issue:`SERVER-14728` Shard depends on string comparison of replica set connection string
- :issue:`SERVER-14506` special top chunk logic can move max chunk to a shard with incompatible tag
- :issue:`SERVER-14299` For sharded limit=N queries with sort, mongos can request >N results from shard
- :issue:`SERVER-14080` Have migration result reported in the changelog correctly
- :issue:`SERVER-12472` Fail MoveChunk if an index is needed on TO shard and data exists

Storage
~~~~~~~

- :issue:`SERVER-16283` Can't start new wiredtiger node with log file or config file in data directory - false detection of old mmapv1 files
- :issue:`SERVER-15986` Starting with different storage engines in the same dbpath should error/warn
- :issue:`SERVER-14057` Changing TTL expiration time with collMod does not correctly update index definition

Indexing
~~~~~~~~

- :issue:`SERVER-14287` ensureIndex can abort reIndex and lose indexes

Write Ops
~~~~~~~~~

- :issue:`SERVER-14886` Updates against paths composed with array index notation and positional operator fail with error

MapReduce/Distinct/Group
~~~~~~~~~~~~~~~~~~~~~~~~

- :issue:`SERVER-15552` Errors writing to temporary collections during mapReduce command execution should be operation-fatal

Build and Packaging
~~~~~~~~~~~~~~~~~~~

- :issue:`SERVER-14184` Unused preprocessor macros from s2 conflict on OS X Yosemite
- :issue:`SERVER-14015` S2 Compilation on GCC 4.9/Solaris fails
- :issue:`SERVER-16017` Suse11 enterprise packages fail due to unmet dependencies
- :issue:`SERVER-15598` Ubuntu 14.04 Enterprise packages depend on unavailable libsnmp15 package
- :issue:`SERVER-13595` Red Hat init.d script error: YAML config file parsing

Logging and Diagnostics
~~~~~~~~~~~~~~~~~~~~~~~

- :issue:`SERVER-13471` Increase log level of "did reduceInMemory" message in map/reduce
- :issue:`SERVER-16324` Command execution log line displays "query not recording (too large)" instead of abbreviated command object
- :issue:`SERVER-10069` Improve errorcodes.py so it captures multiline messages

Internal Code
~~~~~~~~~~~~~

- :issue:`SERVER-15632` MultiHostQueryOp::PendingQueryContext::doBlockingQuery can leak a cursor object
- :issue:`SERVER-15629` GeoParser::parseMulti{Line|Polygon} does not clear objects owned by out parameter

Testing
~~~~~~~

- :issue:`SERVER-16316` Remove unsupported behavior in shard3.js
- :issue:`SERVER-14763` Update jstests/sharding/split_large_key.js
- :issue:`SERVER-14249` Add tests for querying oplog via mongodump using --dbpath
- :issue:`SERVER-13726` indexbg_drop.js


.. _2.6.5-changelog:

2.6.5 -- Changes
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15 changes: 15 additions & 0 deletions source/release-notes/2.6.txt
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Expand Up @@ -25,6 +25,21 @@ Minor Releases

/release-notes/2.6-changelog

2.6.6 -- December 09, 2014
~~~~~~~~~~~~~~~~~~~~~~~~~~

- Evaluating candidate query plans with concurrent writes on same
collection may crash mongod :issue:`SERVER-15580`

- Querying against path in document containing long array of subdocuments
with nested arrays causes stack overflow :issue:`SERVER-15899`

- 2.6 mongod crashes with segfault when added to a 2.8 replica set with >=
12 nodes :issue:`SERVER-16107`

- `All issues closed in 2.6.6 <https://jira.mongodb.org/issues/?jql=fixVersion%20%3D%20%222.6.6%22%20AND%20project%20%3D%20SERVER>`_


2.6.5 -- October 07, 2014
~~~~~~~~~~~~~~~~~~~~~~~~~

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