Sourced from pip's changelog.

23.2 (2023-07-15)

Process

• Deprecate support for eggs for Python 3.11 or later, when the new importlib.metadata backend is used to load distribution metadata. This only affects the egg distribution format (with the .egg extension); distributions using the .egg-info metadata format (but are not actually eggs) are not affected. For more information about eggs, see relevant section in the setuptools documentation <https://setuptools.pypa.io/en/stable/deprecated/python_eggs.html>__.

Deprecations and Removals

• Deprecate legacy version and version specifiers that don't conform to PEP 440 <https://peps.python.org/pep-0440/>_ ([#12063](https://github.com/pypa/pip/issues/12063) <https://github.com/pypa/pip/issues/12063>_)
• freeze no longer excludes the setuptools, distribute, and wheel from the output when running on Python 3.12 or later, where they are not included in a virtual environment by default. Use --exclude if you wish to exclude any of these packages. ([#4256](https://github.com/pypa/pip/issues/4256) <https://github.com/pypa/pip/issues/4256>_)

Features

• make rejection messages slightly different between 1 and 8, so the user can make the difference. ([#12040](https://github.com/pypa/pip/issues/12040) <https://github.com/pypa/pip/issues/12040>_)

Bug Fixes

• Fix pip completion --zsh. ([#11417](https://github.com/pypa/pip/issues/11417) <https://github.com/pypa/pip/issues/11417>_)
• Prevent downloading files twice when PEP 658 metadata is present ([#11847](https://github.com/pypa/pip/issues/11847) <https://github.com/pypa/pip/issues/11847>_)
• Add permission check before configuration ([#11920](https://github.com/pypa/pip/issues/11920) <https://github.com/pypa/pip/issues/11920>_)
• Fix deprecation warnings in Python 3.12 for usage of shutil.rmtree ([#11957](https://github.com/pypa/pip/issues/11957) <https://github.com/pypa/pip/issues/11957>_)
• Ignore invalid or unreadable origin.json files in the cache of locally built wheels. ([#11985](https://github.com/pypa/pip/issues/11985) <https://github.com/pypa/pip/issues/11985>_)
• Fix installation of packages with PEP658 metadata using non-canonicalized names ([#12038](https://github.com/pypa/pip/issues/12038) <https://github.com/pypa/pip/issues/12038>_)
• Correctly parse dist-info-metadata values from JSON-format index data. ([#12042](https://github.com/pypa/pip/issues/12042) <https://github.com/pypa/pip/issues/12042>_)
• Fail with an error if the --python option is specified after the subcommand name. ([#12067](https://github.com/pypa/pip/issues/12067) <https://github.com/pypa/pip/issues/12067>_)
• Fix slowness when using importlib.metadata (the default way for pip to read metadata in Python 3.11+) and there is a large overlap between already installed and to-be-installed packages. ([#12079](https://github.com/pypa/pip/issues/12079) <https://github.com/pypa/pip/issues/12079>_)
• Pass the -r flag to mercurial to be explicit that a revision is passed and protect against hg options injection as part of VCS URLs. Users that do not have control on VCS URLs passed to pip are advised to upgrade. ([#12119](https://github.com/pypa/pip/issues/12119) <https://github.com/pypa/pip/issues/12119>_)

Vendored Libraries

• Upgrade certifi to 2023.5.7
• Upgrade platformdirs to 3.8.1
• Upgrade pygments to 2.15.1
• Upgrade pyparsing to 3.1.0
• Upgrade Requests to 2.31.0
• Upgrade rich to 13.4.2
• Upgrade setuptools to 68.0.0
• Updated typing_extensions to 4.6.0

... (truncated)

• a3c2c43 Bump for release
• ae23f96 Update AUTHORS.txt
• 324dd44 Merge pull request #11417 from Freed-Wu/fix-zsh
• e53cf3d Merge pull request #12137 from groodt/groodt-fix-deprecation-warning
• 38a8fb1 Merge pull request #12140 from uranusjr/ensure-preparation-for-dist
• 0cabefb Ensure requirements are prepared before get_dist()
• 2c4947d Add news entry
• 41506d7 Add news entry
• 9b47bc0 Make black formatter happy
• 25f4e6e Fix deprecation warnings in Python 3.12 for usage of shutil.rmtree
• Additional commits viewable in compare view

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