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Bump packaging from 25.0 to 26.0 by dependabot[bot] · Pull Request #25747 · microsoft/vscode-python

Bumps packaging from 25.0 to 26.0.

Release notes

Sourced from packaging's releases.

26.0

Read about the performance improvements here: https://iscinumpy.dev/post/packaging-faster.

What's Changed

Features:

Behavior adaptations:

Fixes:

Performance:

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Changelog

Sourced from packaging's changelog.

26.0 - 2026-01-20


Features:

    

  • PEP 751: support pylock (:pull:900)
    • 

  • PEP 794: import name metadata (:pull:948)
    • 

  • Support for writing metadata to a file (:pull:846)
    • 

  • Support __replace__ on Version (:pull:1003)
    • 

  • Support positional pattern matching for Version and SpecifierSet (:pull:1004)
    • 



Behavior adaptations:


    

  • PEP 440 handling of prereleases for Specifier.contains, SpecifierSet.contains, and SpecifierSet.filter (:pull:897)
    • 

  • Handle PEP 440 edge case in SpecifierSet.filter (:pull:942)
    • 

  • Adjust arbitrary equality intersection preservation in SpecifierSet (:pull:951)
    • 

  • Return False instead of raising for .contains with invalid version (:pull:932)
    • 

  • Support arbitrary equality on arbitrary strings for Specifier and SpecifierSet's filter and contains method. (:pull:954)
    • 

  • Only try to parse as Version on certain marker keys, return False on unequal ordered comparisons (:pull:939)
    • 



Fixes:


    

  • Update _hash when unpickling Tag() (:pull:860)
    • 

  • Correct comment and simplify implicit prerelease handling in Specifier.prereleases (:pull:896)
    • 

  • Use explicit _GLibCVersion NamedTuple in _manylinux (:pull:868)
    • 

  • Detect invalid license expressions containing () (:pull:879)
    • 

  • Correct regex for metadata 'name' format (:pull:925)
    • 

  • Improve the message around expecting a semicolon (:pull:833)
    • 

  • Support nested parens in license expressions (:pull:931)
    • 

  • Add space before at symbol in Requirements string (:pull:953)
    • 

  • A root logger use found, use a packaging logger instead (:pull:965)
    • 

  • Better support for subclassing Marker and Requirement (:pull:1022)
    • 

  • Normalize all extras, not just if it comes first (:pull:1024)
    • 

  • Don't produce a broken repr if Marker fails to construct (:pull:1033)
    • 



Performance:


    

  • Avoid recompiling regexes in the tokenizer for a 3x speedup (:pull:1019)
    • 

  • Improve performance in _manylinux.py (:pull:869)
    • 

  • Minor cleanups to Version (:pull:913)
    • 

  • Skip redundant creation of Version's in specifier comparison (:pull:986)
    • 

  • Cache the Specifier's Version (:pull:985)
    • 

  • Make Version a little faster (:pull:987)
    • 

  • Minor Version regex cleanup (:pull:990)
    • 

  • Faster regex on Python 3.11.5+ for Version (:pull:988, :pull:1055)
    • 

  • Lazily calculate _key in Version (:pull:989, :pull:1048)
    • 

  • Faster canonicalize_version (:pull:993)
    • 

  • Use re.fullmatch in a couple more places (:pull:992, :pull:1029)
    • 

  • Use map instead of generator (:pull:996)
    • 

  • Deprecate ._version (_Version, a NamedTuple) (:pull:995, :pull:1062)
    
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