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1. Commits on Sep 16, 2026

   • fixes gh-157633: Update Unicode data to Unicode 18.0.0 (#157634)

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     benjaminp

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2. Commits on Jun 15, 2026

   • gh-149079: Optimize sorting in unicodedata.normalize() (GH-150782)

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     serhiy-storchaka

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3. Commits on Jun 6, 2026

   • gh-150889: Improve performance of unicodedata.normalize() (GH-150890)

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     eendebakpt

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     claude

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4. Commits on Jun 2, 2026

   • gh-149079: Fix O(n^2) canonical ordering in unicodedata.normalize() (GH-149080)

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5. Commits on May 24, 2026

   • gh-149449: Fix use-after-free in `_PyUnicode_GetNameCAPI` (#150323)

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     eendebakpt

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     kumaraditya303

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   • gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338)

     serhiy-storchaka

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6. Commits on Mar 24, 2026

   • gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770)

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     befeleme

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     vstinner

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7. Commits on Feb 26, 2026

   • gh-145202: Fix crash in unicodedata's GraphemeBreakIterator and Segment (GH-145216)

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     serhiy-storchaka

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8. Commits on Feb 24, 2026

   • gh-88091: Fix unicodedata.decomposition() for Hangul Syllables (GH-144993)

     StanFromIreland

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9. Commits on Feb 22, 2026

   • Fix warnings on main (GH-145104)

     chris-eibl

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10. Commits on Feb 21, 2026

    • gh-66802: Add `unicodedata.block()` function (#145042)

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      StanFromIreland

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11. Commits on Feb 16, 2026

    • gh-80667: Fix Tangut ideographs names in unicodedata (GH-144789)

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      serhiy-storchaka

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      wismill

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12. Commits on Feb 12, 2026

    • gh-80667: Fix case-sensitivity of some Unicode literal escapes (GH-107281)

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      SnoopJ

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13. Commits on Feb 11, 2026

    • gh-84424: Use numeric_changed for UCD.numeric (GH-19457)

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      wmeehan

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14. Commits on Jan 19, 2026

    • gh-143897: Remove the isxidstart() and isxidcontinue() methods of unicodedata.ucd_3_2_0 (GH-143898)

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      serhiy-storchaka

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15. Commits on Jan 14, 2026

    • Fix refleaks in new unicodedata classes added in gh-74902 (GH-143843)

      serhiy-storchaka

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    • gh-74902: Add Unicode Grapheme Cluster Break algorithm (GH-143076)

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      serhiy-storchaka

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      Vermeille

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16. Commits on Oct 30, 2025

    • gh-129117: Add unicodedata.isxidstart() function (#140269)

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      StanFromIreland

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      vstinner

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17. Commits on Oct 8, 2025

    • gh-138342: Move _PyObject_VisitType() to the internal C API (#139734)

      vstinner

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18. Commits on Sep 11, 2025

    • closes gh-138706: update Unicode to 17.0.0 (#138719)

      benjaminp

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19. Commits on Sep 1, 2025

    • gh-138342: Use a common utility for visiting an object's type (GH-138343)

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      ZeroIntensity

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20. Commits on Aug 18, 2025

    • GH-137623: Use an AC decorator for docstring line length enforcement (#137690)

      AA-Turner

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21. Commits on Mar 3, 2025

    • gh-130790: Remove references about unicode's readiness from comments (#130801)

      sergey-miryanov

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22. Commits on Feb 25, 2025

    • gh-111178: fix UBSan failures in `Modules/unicodedata.c` (GH-129801)

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      picnixz

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23. Commits on Feb 21, 2025

    • gh-129569: The function unicodedata.normalize() always returns built-in str (#129570)

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      Hizuru3

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      vstinner

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24. Commits on Oct 9, 2024

    • gh-115754: Use Py_GetConstant(Py_CONSTANT_EMPTY_STR) (#125194)

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      vstinner

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25. Commits on May 3, 2024

    • gh-116322: Add Py_mod_gil module slot (#116882)

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      swtaarrs

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26. Commits on Nov 4, 2023

    • gh-96954: use a directed acyclic word graph for storing the unicodedata codepoint names (#97906)

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27. Commits on Sep 20, 2023

    • fixes gh-109559: Update `unicodedata` for Unicode 15.1.0 (GH-109560)

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      SnoopJ

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      benjaminp

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28. Commits on Jul 25, 2023

    • gh-106869: Use new PyMemberDef constant names (#106871)

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      vstinner

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    • gh-86493: Modernize modules initialization code (GH-106858)

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      serhiy-storchaka

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29. Commits on Jul 18, 2023

    • gh-86493: Use PyModule_Add() instead of PyModule_AddObjectRef() (GH-106860)

      serhiy-storchaka

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30. Commits on Jul 2, 2023

    • gh-104922: remove PY_SSIZE_T_CLEAN (#106315)

      methane

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31. Commits on Jun 1, 2023

    • gh-92536: Remove PyUnicode_READY() calls (#105210)

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      vstinner

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32. Commits on May 5, 2023

    • gh-99113: Add Py_MOD_PER_INTERPRETER_GIL_SUPPORTED (gh-104205)

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      ericsnowcurrently

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