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2.2.3 (2024-09-12)
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Features
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- Added support for Python 3.13.
Bugfixes
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- Fixed the default encoding of chunked request bodies to be UTF-8 instead of ISO-8859-1.
All other methods of supplying a request body already use UTF-8 starting in urllib3 v2.0.
- Fixed ResourceWarning on CONNECT with Python < 3.11.4 by backporting python/cpython#103472.
- Adjust tolerance for floating-point comparison on Windows to avoid flakiness in CI
- Fixed a crash where certain standard library hash functions were absent in restricted environments.
- Fixed mypy error when adding to ``HTTPConnection.default_socket_options``.
HTTP/2 (experimental)
---------------------
HTTP/2 support is still in early development.
- Excluded Transfer-Encoding: chunked from HTTP/2 request body
- Added version checking for ``h2`` (https://pypi.org/project/h2/) usage.
Now only accepting supported h2 major version 4.x.x.
- Added a probing mechanism for determining whether a given target origin
supports HTTP/2 via ALPN.
- Add support for sending a request body with HTTP/2
Deprecations and Removals
-------------------------
- Note for downstream distributors: the ``_version.py`` file has been removed and is now created at build time by hatch-vcs.
- Drop support for end-of-life PyPy3.8 and PyPy3.9.
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