11Changelog
22=========
33
4- Changes in Version 3.11.0b1.dev0
5- --------------------------------
4+ Changes in Version 3.11.0b1
5+ ---------------------------
66
77Version 3.11 adds support for MongoDB 4.4. Highlights include:
88
@@ -14,6 +14,11 @@ Version 3.11 adds support for MongoDB 4.4. Highlights include:
1414- Support for the :ref:`MONGODB-AWS` authentication mechanism.
1515- Support for the ``directConnection`` URI option and kwarg to
1616 :class:`~pymongo.mongo_client.MongoClient`.
17+ - Support for speculative authentication attempts in connection handshakes
18+ which reduces the number of network roundtrips needed to authenticate new
19+ connections on MongoDB 4.4+.
20+ - Support for creating collections in multi-document transactions with
21+ :meth:`~pymongo.database.Database.create_collection` on MongoDB 4.4+.
1722- Added index hinting support to the
1823 :meth:`~pymongo.collection.Collection.replace_one`,
1924 :meth:`~pymongo.collection.Collection.update_one`,
@@ -34,8 +39,12 @@ Version 3.11 adds support for MongoDB 4.4. Highlights include:
3439 of this parameter see the MongoDB documentation for the `validate command`_.
3540- Added the ``allow_disk_use`` parameters to
3641 :meth:`pymongo.collection.Collection.find`.
37- - Support for creating collections in multi-document transactions with
38- :meth:`~pymongo.database.Database.create_collection` on MongoDB 4.4+.
42+ - Added the ``hedge`` parameter to
43+ :class:`~pymongo.read_preferences.PrimaryPreferred`,
44+ :class:`~pymongo.read_preferences.Secondary`,
45+ :class:`~pymongo.read_preferences.SecondaryPreferred`,
46+ :class:`~pymongo.read_preferences.Nearest` to support disabling
47+ (or explicitly enabling) hedged reads in MongoDB 4.4+.
3948- Deprecated the ``oplog_replay`` parameter to
4049 :meth:`pymongo.collection.Collection.find`. Starting in MongoDB 4.4, the
4150 server optimizes queries against the oplog collection without requiring
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