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1. Commits on Oct 23, 2026

   • [3.15] gh-146440: Add an example for the json array_hook decoder parameter (GH-154522) (GH-160465)

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     miss-islington

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     fedonman

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2. Commits on Jul 31, 2026

   • [3.15] gh-154936: Fix JSON control character error position (GH-154941) (#154974)

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     miss-islington

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     yangbaechu

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3. Commits on May 29, 2026

   • [3.15] gh-149056: Properly pass array_hook in json.load() to json.loads() (GH-149057) (GH-150591)

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     miss-islington

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     KowalskiThomas

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4. Commits on May 25, 2026

   • [3.15] gh-150285: Fix too long docstrings in some Python modules (GH-150366) (GH-150375)

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     miss-islington

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     serhiy-storchaka

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5. Commits on May 11, 2026

   • [3.15] gh-146061: Clarify indent=None in json docs (GH-146095) (GH-149667)

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     miss-islington

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     jonathandung

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6. Commits on May 4, 2026

   • gh-142389: Add backticks to stdlib argparse help to display in colour (#149384)

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     hugovk

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     savannahostrowski

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7. Commits on Apr 23, 2026

   • gh-132631: Fix "I/O operation on closed file" when parsing JSON Lines file (#132632)

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     hugovk

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     brianschubert

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8. Commits on Mar 27, 2026

   • gh-146440: Add array_hook parameter to JSON decoders (#146441)

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9. Commits on Mar 6, 2026

   • gh-141510: Use frozendict in the stdlib (#144909)

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     vstinner

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     corona10

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10. Commits on Feb 21, 2026

    • gh-141510, PEP 814: Add frozendict support to json (#144903)

      vstinner

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11. Commits on Nov 18, 2025

    • GH-141686: Break cycles created by JSONEncoder.iterencode (GH-141687)

      brandtbucher

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12. Commits on Nov 8, 2025

    • gh-140793: Improve documentatation and tests for the ensure_ascii option in the json module (GH-140906)

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      serhiy-storchaka

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13. Commits on Sep 29, 2025

    • gh-76007: Deprecate `__version__` attribute (#138675)

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14. Commits on Aug 22, 2025

    • gh-138019: improve help message for `json.tool` (#138037)

      yihong0618

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15. Commits on Jun 3, 2025

    • gh-131884: Fix incorrect formatting in json.dumps() when using indent and skipkeys=True (GH-132200)

      roeibenartzi

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16. Commits on May 5, 2025

    • gh-133346: Make theming support in _colorize extensible (GH-133347)

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      ambv

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      hugovk

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    • gh-130645: Add color to stdlib argparse CLIs (gh-133380)

      hugovk

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17. Commits on Apr 19, 2025

    • gh-131952: Add colour to the ``json`` module CLI (#132126)

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      tomasr8

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18. Commits on Apr 8, 2025

    • gh-132021: Add bool type to the list of allowed JSON key types (#132048)

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      srinivasreddy

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      ericvsmith

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19. Commits on Oct 18, 2024

    • gh-125660: Reject invalid unicode escapes for Python implementation of JSON decoder (GH-125683)

      nineteendo

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    • gh-125682: Reject non-ASCII digits in the Python implementation of JSON decoder (GH-125687)

      nineteendo

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20. Commits on Oct 9, 2024

    • gh-91818: Use default program name in the CLI of many modules (GH-124867)

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      serhiy-storchaka

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21. Commits on Aug 13, 2024

    • gh-122873: Allow "python -m json" to work (#122884)

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22. Commits on Jul 23, 2024

    • gh-122163: Add notes for JSON serialization errors (GH-122165)

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      serhiy-storchaka

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23. Commits on May 6, 2024

    • gh-95382: Improve performance of json encoder with indent (GH-118105)

      eendebakpt

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24. Commits on Feb 28, 2024

    • doc: Use super() in subclassed JSONEncoder examples (GH-115565)

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      phorward

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25. Commits on Jan 10, 2024

    • gh-58032: Do not use argparse.FileType in module CLIs and scripts (GH-113649)

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      serhiy-storchaka

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26. Commits on Dec 17, 2023

    • gh-113149: Improve error message when JSON has trailing comma (GH-113227)

      carsonRadtke

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27. Commits on Jun 26, 2023

    • Revert "GH-96145: Add AttrDict to JSON module for use with object_hook (#96146)" (#105948)

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      ambv

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28. Commits on Sep 24, 2022

    • gh-96959: Update HTTP links which are redirected to HTTPS (GH-96961)

      serhiy-storchaka

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29. Commits on Aug 23, 2022

    • GH-96145: Add AttrDict to JSON module for use with object_hook (#96146)

      rhettinger

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30. Commits on Feb 3, 2022

    • bpo-46565: `del` loop vars that are leaking into module namespaces (GH-30993)

      sobolevn

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31. Commits on Dec 7, 2021

    • bpo-46001: Change OverflowError to RecursionError in JSON library docstrings (GH-29943)

      SnoopJ

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32. Commits on Nov 6, 2021

    • bpo-45644: Make json.tool read infile before writing to outfile (GH-29273)

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      CharString

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      ambv

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33. Commits on Mar 10, 2020

    • bpo-39828: Fix json.tool to catch BrokenPipeError (GH-18779)

      corona10

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