Handle a timezone indicator of Z when parsing dates in the self check. ([#12338](https://github.com/pypa/pip/issues/12338) <https://github.com/pypa/pip/issues/12338>_)
Fix bug where installing the same package at the same time with multiple pip processes could fail. ([#12361](https://github.com/pypa/pip/issues/12361) <https://github.com/pypa/pip/issues/12361>_)
23.3 (2023-10-15)
Process
Added reference to vulnerability reporting guidelines <https://www.python.org/dev/security/>_ to pip's security policy.
Deprecations and Removals
Drop a fallback to using SecureTransport on macOS. It was useful when pip detected OpenSSL older than 1.0.1, but the current pip does not support any Python version supporting such old OpenSSL versions. ([#12175](https://github.com/pypa/pip/issues/12175) <https://github.com/pypa/pip/issues/12175>_)
Features
Improve extras resolution for multiple constraints on same base package. ([#11924](https://github.com/pypa/pip/issues/11924) <https://github.com/pypa/pip/issues/11924>_)
Improve use of datastructures to make candidate selection 1.6x faster. ([#12204](https://github.com/pypa/pip/issues/12204) <https://github.com/pypa/pip/issues/12204>_)
Allow pip install --dry-run to use platform and ABI overriding options. ([#12215](https://github.com/pypa/pip/issues/12215) <https://github.com/pypa/pip/issues/12215>_)
Add is_yanked boolean entry to the installation report (--report) to indicate whether the requirement was yanked from the index, but was still selected by pip conform to :pep:592. ([#12224](https://github.com/pypa/pip/issues/12224) <https://github.com/pypa/pip/issues/12224>_)
Bug Fixes
Ignore errors in temporary directory cleanup (show a warning instead). ([#11394](https://github.com/pypa/pip/issues/11394) <https://github.com/pypa/pip/issues/11394>_)
Normalize extras according to :pep:685 from package metadata in the resolver
for comparison. This ensures extras are correctly compared and merged as long
as the package providing the extra(s) is built with values normalized according
to the standard. Note, however, that this does not solve cases where the
package itself contains unnormalized extra values in the metadata. ([#11649](https://github.com/pypa/pip/issues/11649) <https://github.com/pypa/pip/issues/11649>_)
Prevent downloading sdists twice when :pep:658 metadata is present. ([#11847](https://github.com/pypa/pip/issues/11847) <https://github.com/pypa/pip/issues/11847>_)
Include all requested extras in the install report (--report). ([#11924](https://github.com/pypa/pip/issues/11924) <https://github.com/pypa/pip/issues/11924>_)
Removed uses of datetime.datetime.utcnow from non-vendored code. ([#12005](https://github.com/pypa/pip/issues/12005) <https://github.com/pypa/pip/issues/12005>_)
Consistently report whether a dependency comes from an extra. ([#12095](https://github.com/pypa/pip/issues/12095) <https://github.com/pypa/pip/issues/12095>_)
Fix completion script for zsh ([#12166](https://github.com/pypa/pip/issues/12166) <https://github.com/pypa/pip/issues/12166>_)
Fix improper handling of the new onexc argument of shutil.rmtree() in Python 3.12. ([#12187](https://github.com/pypa/pip/issues/12187) <https://github.com/pypa/pip/issues/12187>_)
Filter out yanked links from the available versions error message: "(from versions: 1.0, 2.0, 3.0)" will not contain yanked versions conform PEP 592. The yanked versions (if any) will be mentioned in a separate error message. ([#12225](https://github.com/pypa/pip/issues/12225) <https://github.com/pypa/pip/issues/12225>_)
Fix crash when the git version number contains something else than digits and dots. ([#12280](https://github.com/pypa/pip/issues/12280) <https://github.com/pypa/pip/issues/12280>_)
Use -r=... instead of -r ... to specify references with Mercurial. ([#12306](https://github.com/pypa/pip/issues/12306) <https://github.com/pypa/pip/issues/12306>_)
Redact password from URLs in some additional places. ([#12350](https://github.com/pypa/pip/issues/12350) <https://github.com/pypa/pip/issues/12350>_)
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Updates the requirements on pip to permit the latest version.
Changelog
Sourced from pip's changelog.
... (truncated)
Commits
5364f26
Bump for release5e7cc16
Fix parallel pip cache downloads causing crash (#12364)8a0f77c
Merge pull request #12355 from sbidoul/build-using-buildf3620cd
Merge pull request #12363 from pfmoore/safe_isoformatfb06d12
Handle ISO formats with a trailing Z9f213bf
Merge pull request #12356 from sbidoul/clarify-changeloga982c7b
Add a few PEP links in the changeloge1e227d
Clarify changelog9b0abc8
Build usingbuild
9d4be78
Merge pull request #12353 from sbidoul/release/23.3You can trigger a rebase of this PR by commenting
@dependabot rebase
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