Sourced from packaging's releases.

26.2

What's Changed

Fixes:

• Fix incorrect sysconfig var name for pyemscripten by @​ryanking13 in pypa/packaging#1160
• Make Version, Specifier, SpecifierSet, Tag, Marker, and Requirement pickle-safe and backward-compatible with pickles created in 25.0-26.1 (including references to the removed packaging._structures module) by @​eachimei and @​henryiii in pypa/packaging#1163, pypa/packaging#1168, pypa/packaging#1170, and pypa/packaging#1171
• fix: re-export ExceptionGroup for now by @​henryiii in pypa/packaging#1164

Documentation:

• docs: add errors section and fix missing details by @​henryiii in pypa/packaging#1159
• docs(dev): document property-based test suite by @​r266-tech in pypa/packaging#1167
• Fix typo in DirectUrl documentation by @​sbidoul in pypa/packaging#1169
• docs(specifiers): add is_unsatisfiable() usage example by @​r266-tech in pypa/packaging#1166

Internal:

• Enable the auditor persona on zizmor by @​henryiii in pypa/packaging#1158
• Test new pickle guarantees by @​henryiii in pypa/packaging#1174
• Use native uv integration in rtd by @​henryiii in pypa/packaging#1175

New Contributors

• @​ryanking13 made their first contribution in pypa/packaging#1160
• @​eachimei made their first contribution in pypa/packaging#1163

Full Changelog: https://github.com/pypa/packaging/compare/26.1...26.2

Sourced from packaging's changelog.

26.2 - 2026-04-24

Fixes:

Fix incorrect sysconfig var name for pyemscripten in (:pull:1160)
Make Version, Specifier, SpecifierSet, Tag, Marker, and Requirement pickle-safe

and backward-compatible with pickles created in 25.0-26.1 (including references to the removed

packaging._structures module) (:pull:1163, :pull:1168, :pull:1170, :pull:1171)
Re-export ExceptionGroup in metadata for now in (:pull:1164)

Documentation:

Add errors section and fix missing details in (:pull:1159)
Document our property-based test suite in (:pull:1167)
Fix a DirectUrl typo in (:pull:1169)
Add example of is_unsatisfiable in (:pull:1166)

Internal:

Enable the auditor persona on zizmor in (:pull:1158)
Test new pickle guarantees in (:pull:1174)
Use new native ReadTheDocs uv integration in (:pull:1175)

• 84a87ee Bump for release
• 4a616b6 docs: a few more updates to prepare for 26.2 (#1176)
• 9de6f44 ci: use native uv integration in rtd (#1175)
• bc76e14 chore: update changelog for 26.2 (#1161)
• 3f00091 tests: add a pickle check (#1174)
• 48a8a06 fix: make Requirements/Markers pickle-safe (#1171)
• 823b44e fix: make Tags pickle-safe (#1170)
• 4bed32d fix: make Specifier / SpecifierSet pickle-safe (#1168)
• 963118e fix: re-export ExceptionGroup for now (#1164)
• 66e34a8 docs(specifiers): add is_unsatisfiable() usage example (#1166)
• Additional commits viewable in compare view

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