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1. Commits on Sep 28, 2026

   • gh-158309: Set MemoryError when allocation fails in `decode_unicode_with_escapes()` (#158311)

     lpyu001

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2. Commits on Sep 17, 2026

   • gh-155742: Use PyMem_Malloc() in decode_unicode_with_escapes() (#157587)

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     vstinner

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3. Commits on Sep 12, 2026

   • gh-153569: hide tokenizer state behind token and source operations (#156654)

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     pablogsal

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4. Commits on Aug 14, 2026

   • gh-155742: Get PyBytes_AS_STRING() as `const char*` (#155751)

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     vstinner

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5. Commits on Nov 13, 2025

   • gh-135801: Add the module parameter to compile() etc (GH-139652)

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     serhiy-storchaka

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6. Commits on May 12, 2025

   • gh-133767: Fix use-after-free in the unicode-escape decoder with an error handler (GH-129648)

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     serhiy-storchaka

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7. Commits on Apr 30, 2025

   • gh-132661: Implement PEP 750 (#132662)

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8. Commits on Mar 2, 2025

   • gh-130740: Move some `stdbool.h` includes after `Python.h` (#130738)

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     chouquette

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9. Commits on Feb 13, 2025

   • gh-116042: Fix location for SyntaxErrors of invalid escapes in the tokenizer (#116049)

     pablogsal

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10. Commits on Jan 15, 2025

    • gh-128016: Improved invalid escape sequence warning message (#128020)

      umarbutler

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11. Commits on Sep 18, 2024

    • gh-124064: Fix -Wconversion warnings in Parser/string_parser.c (#124204)

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      vstinner

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12. Commits on Jun 25, 2024

    • gh-120155: Fix Coverity issue in parse_string() (#120997)

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13. Commits on Oct 27, 2023

    • gh-111380: Show SyntaxWarnings only once when parsing if invalid syntax is encouintered (#111381)

      pablogsal

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14. Commits on Oct 12, 2023

    • gh-104169: Fix test_peg_generator after tokenizer refactoring (#110727)

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      lysnikolaou

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15. Commits on Oct 11, 2023

    • gh-104169: Refactor tokenizer into lexer and wrappers (#110684)

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16. Commits on Jul 23, 2023

    • gh-106320: Remove _PyBytes_Join() C API (#107144)

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      vstinner

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17. Commits on Jul 4, 2023

    • gh-106320: Remove private _PyUnicode codecs C API functions (#106385)

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18. Commits on Jun 20, 2023

    • gh-105938: Emit a SyntaxWarning for escaped braces in an f-string (#105939)

      lysnikolaou

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19. Commits on Apr 23, 2023

    • gh-102310: Change error range for invalid bytes literals (#103663)

      sobolevn

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20. Commits on Apr 19, 2023

    • gh-102856: Initial implementation of PEP 701 (#102855)

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21. Commits on Nov 10, 2022

    • gh-99300: Use Py_NewRef() in Parser/ directory (#99330)

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      vstinner

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22. Commits on Nov 3, 2022

    • gh-98401: Invalid escape sequences emits SyntaxWarning (#99011)

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23. Commits on Jul 16, 2022

    • gh-94869: Fix the location in some expressions for multi-line f-string ast nodes (#94895)

      pablogsal

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24. Commits on Jun 1, 2022

    • gh-93418: Fix an assert when an f-string expression is followed by an '=', but no closing brace. (gh-93419)

      ericvsmith

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25. Commits on May 31, 2022

    • gh-93283: Improve error message for f-string with invalid conversion character (GH-93349)

      serhiy-storchaka

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26. Commits on Apr 30, 2022

    • gh-81548: Deprecate octal escape sequences with value larger than 0o377 (GH-91668)

      serhiy-storchaka

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27. Commits on Mar 28, 2022

    • bpo-47129: Add more informative messages to f-string syntax errors (32127)

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      macgors

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      blurb-it[bot]

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28. Commits on Feb 16, 2022

    • bpo-46762: Fix an assert failure in f-strings where > or < is the last character if the f-string is missing a trailing right brace. (#31365)

      ericvsmith

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29. Commits on Jan 25, 2022

    • bpo-46503: Prevent an assert from firing when parsing some invalid \N sequences in f-strings. (GH-30865)

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      ericvsmith

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30. Commits on Jan 8, 2022

    • bpo-46237: Fix the line number of tokenizer errors inside f-strings (GH-30463)

      pablogsal

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31. Commits on Oct 14, 2021

    • bpo-45461: Fix IncrementalDecoder and StreamReader in the "unicode-escape" codec (GH-28939)

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      serhiy-storchaka

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32. Commits on Oct 13, 2021

    • bpo-45434: Mark the PyTokenizer C API as private (GH-28924)

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      vstinner

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33. Commits on Sep 28, 2021

    • Optimized code format (GH-28599)

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      rajendraarora16

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34. Commits on Aug 12, 2021

    • bpo-44885: Correct the ast locations of f-strings with format specs and repeated expressions (GH-27729)

      pablogsal

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35. Commits on Jun 12, 2021

    • Add more const modifiers. (GH-26691)

      serhiy-storchaka

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