Merge pull request #8990 from pradyunsg/release/20.2.4

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Pradyun Gedam 2020-10-18 03:13:56 +05:30 committed by GitHub
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.. towncrier release notes start
20.2.4 (2020-10-16)
===================
Deprecations and Removals
-------------------------
- Document that certain removals can be fast tracked. (`#8417 <https://github.com/pypa/pip/issues/8417>`_)
- Document that Python versions are generally supported until PyPI usage falls below 5%. (`#8927 <https://github.com/pypa/pip/issues/8927>`_)
Features
--------
- New resolver: Avoid accessing indexes when the installed candidate is preferred
and considered good enough. (`#8023 <https://github.com/pypa/pip/issues/8023>`_)
- Improve error message friendliness when an environment has packages with
corrupted metadata. (`#8676 <https://github.com/pypa/pip/issues/8676>`_)
- Cache package listings on index packages so they are guarenteed to stay stable
during a pip command session. This also improves performance when a index page
is accessed multiple times during the command session. (`#8905 <https://github.com/pypa/pip/issues/8905>`_)
- New resolver: Tweak resolution logic to improve user experience when
user-supplied requirements conflict. (`#8924 <https://github.com/pypa/pip/issues/8924>`_)
Bug Fixes
---------
- New resolver: Correctly respect ``Requires-Python`` metadata to reject
incompatible packages in ``--no-deps`` mode. (`#8758 <https://github.com/pypa/pip/issues/8758>`_)
- New resolver: Pick up hash declarations in constraints files and use them to
filter available distributions. (`#8792 <https://github.com/pypa/pip/issues/8792>`_)
- New resolver: If a package appears multiple times in user specification with
different ``--hash`` options, only hashes that present in all specifications
should be allowed. (`#8839 <https://github.com/pypa/pip/issues/8839>`_)
Improved Documentation
----------------------
- Add ux documentation (`#8807 <https://github.com/pypa/pip/issues/8807>`_)
20.2.3 (2020-09-08)
===================

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New resolver: Avoid accessing indexes when the installed candidate is preferred
and considered good enough.

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New resolver: Correctly respect ``Requires-Python`` metadata to reject
incompatible packages in ``--no-deps`` mode.