Sourced from pymongo's releases.

PyMongo 4.13.2

Community notes: https://www.mongodb.com/community/forums/t/pymongo-4-13-2-released/323705

PyMongo 4.13.1

Community notes: https://www.mongodb.com/community/forums/t/pymongo-4-13-1-released/323356

PyMongo 4.13.0

Community notes: https://www.mongodb.com/community/forums/t/pymongo-4-13-0-released/321391.

Sourced from pymongo's changelog.

Changes in Version 4.13.2 (2025/06/17)

Version 4.13.2 is a bug fix release.

• Fixed a bug where AsyncMongoClient would block the event loop while creating new connections, potentially significantly increasing latency for ongoing operations.

Issues Resolved ...............

See the PyMongo 4.13.2 release notes in JIRA_ for the list of resolved issues in this release.

.. _PyMongo 4.13.2 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=43937

Changes in Version 4.13.1 (2025/06/10)

Version 4.13.1 is a bug fix release.

• Fixed a bug that could raise ServerSelectionTimeoutError when using timeouts with AsyncMongoClient.
• Fixed a bug that could raise NetworkTimeout errors on Windows.

Issues Resolved ...............

See the PyMongo 4.13.1 release notes in JIRA_ for the list of resolved issues in this release.

.. _PyMongo 4.13.1 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=43924

Changes in Version 4.13.0 (2025/05/14)

PyMongo 4.13 brings a number of changes including:

• The asynchronous API is now stable and no longer in beta. See the :mod:pymongo.asynchronous docs or the migration guide <https://www.mongodb.com/docs/languages/python/pymongo-driver/current/reference/migration/>_ for more information.
• Fixed a bug where :class:pymongo.write_concern.WriteConcern repr was not eval-able when using w="majority".

Issues Resolved ...............

See the PyMongo 4.13 release notes in JIRA_ for the list of resolved issues in this release.

... (truncated)

• 0a150fe PYTHON-5416 Prep for 4.13.2 release (#2389)
• ad34174 [v4.13] PYTHON-5414 Fix "module service_identity has no attribute SICertifica...
• b127460 [v4.13] PYTHON 5212 - Use asyncio.loop.sock_connect in _async_create_connecti...
• a2077f6 BUMP 4.13.2.dev0
• 5f800da [v4.13] PYTHON-5406 - Use correct client for test (#2378)
• 386d1af [v4.13] PYTHON-5400 Migrate away from Windows Server 2019 runner image on Git...
• 1eee90f [v4.13] PYTHON-5405 Use legacy wait_for_read cancellation approach on Windows...
• 09a32f6 [v4.13] PYTHON-5406 - AsyncPeriodicExecutor must reset CSOT contextvars befor...
• 14417ad PYTHON-5411 Prep for 4.13.1 release (#2370)
• 56e6f1c [v4.13] Update release metadata (#2365)
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