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1. Commits on Oct 7, 2026

   • gh-158936: Resolve lazy imports consistently for dataclass annotations (#158939)

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     brittanyrey

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2. Commits on Jun 11, 2026

   • gh-150285: Suppress showing the __getstate__() comment in the help for dataclasses (GH-151328)

     serhiy-storchaka

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3. Commits on May 18, 2026

   • gh-79413: Add `qualname` parameter to `dataclass.make_dataclass`. (GH-150026)

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     brass75

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4. Commits on May 4, 2026

   • gh-149321: Fix stdlib imports with lazy imports disabled (#149338)

     pablogsal

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5. Commits on May 3, 2026

   • gh-133956 fix bug where `dataclass` wouldn't detect `ClassVar` fields if `ClassVar` was re-exported from a module other than `typing` (#140541)

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     taminomara

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     dzherb

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6. Commits on Apr 30, 2026

   • gh-149083: Convert dataclasses.MISSING and dataclasses.KW_ONLY to sentinels (#149086)

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     JelleZijlstra

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7. Commits on Apr 26, 2026

   • gh-137855: Lazy import `inspect` module in dataclasses (#144387)

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     danielhollas

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     hugovk

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8. Commits on Apr 25, 2026

   • gh-148947: dataclasses: fix error on empty __class__ cell (#148948)

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     JelleZijlstra

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     johnslavik

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9. Commits on Apr 23, 2026

   • gh-145056: Add support for frozendict in dataclass asdict and astuple (#145125)

     eendebakpt

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10. Commits on Apr 12, 2026

    • gh-105936: Properly update closure cells for `__setattr__` and `__delattr__` in frozen dataclasses with slots (GH-144021)

      Prometheus3375

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11. Commits on Apr 11, 2026

    • gh-137855: Improve import time of dataclasses by lazy importing `re` and `copy` modules (#148379)

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      danielhollas

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      hugovk

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12. Commits on Feb 18, 2026

    • gh-141510: Replace MappingProxyType with frozendict (#144904)

      vstinner

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13. Commits on Dec 5, 2025

    • gh-142214: Fix two regressions in dataclasses (#142223)

      JelleZijlstra

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14. Commits on Nov 10, 2025

    • gh-137530: generate an __annotate__ function for dataclasses __init__ (GH-137711)

      DavidCEllis

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15. Commits on Aug 18, 2025

    • gh-135228: Create __dict__ and __weakref__ descriptors for object (GH-136966)

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      encukou

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      JelleZijlstra

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16. Commits on Aug 12, 2025

    • gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (take 2) (GH-137047)

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17. Commits on Jul 23, 2025

    • Revert "gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (#136893)" (#137014)

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      JelleZijlstra

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18. Commits on Jul 22, 2025

    • gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (#136893)

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      JelleZijlstra

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      ncoghlan

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19. Commits on Jul 19, 2025

    • gh-136839: Refactor simple dict.update calls (#136811)

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      disconnect3d

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20. Commits on May 5, 2025

    • gh-82129: Improve annotations for make_dataclass() (#133406)

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21. Commits on Mar 4, 2025

    • gh-128184: Fix display of signatures with ForwardRefs (#130815)

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      JelleZijlstra

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      sobolevn

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22. Commits on Oct 1, 2024

    • gh-118974: Add `decorator` argument to `make_dataclass` (gh-122723)

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      Viicos

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23. Commits on Sep 27, 2024

    • gh-113878: Add `doc` parameter to `dataclasses.field` (gh-114051)

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      sobolevn

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24. Commits on Sep 25, 2024

    • gh-90562: Support zero argument super with dataclasses when slots=True (gh-124455)

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      ericvsmith

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      carljm

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25. Commits on Sep 24, 2024

    • dataclasses: Avoid using private class (#124465)

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      JelleZijlstra

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26. Commits on Sep 12, 2024

    • gh-123935: Fix typo in `_get_slots` in `dataclasses.py` (#123941)

      sobolevn

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27. Commits on Aug 12, 2024

    • Fix typos in comments and test code (#122846)

      xyb

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28. Commits on Jul 23, 2024

    • gh-119180: Add `annotationlib` module to support PEP 649 (#119891)

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      JelleZijlstra

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      AlexWaygood

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29. Commits on Jun 12, 2024

    • gh-120417: Remove unused imports in the stdlib (#120420)

      vstinner

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30. Commits on May 9, 2024

    • gh-118033: Fix `__weakref__` not set for generic dataclasses (#118099)

      sobolevn

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31. Commits on Mar 25, 2024

    • gh-109870: Dataclasses: batch up exec calls (gh-110851)

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      ericvsmith

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32. Commits on Mar 19, 2024

    • gh-116647: Fix recursive child in dataclasses (#116790)

      

      et-repositories

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    • gh-105866: fix dataclass with slots=True, weakref_slot=True (#105870)

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33. Commits on Mar 5, 2024

    • gh-109653: Just import `recursive_repr` in `dataclasses` (gh-109822)

      sobolevn

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34. Commits on Jan 18, 2024

    • gh-114087: Speed up dataclasses._asdict_inner (#114088)

      keithasaurus

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