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1. Commits on Oct 18, 2026

   • Report statement errors that CPython gives as invalid syntax or forced tokens

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     youknowone

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   • Refine replacement field, comma and string decode error reporting

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     youknowone

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   • Report string, f-string and legacy statement errors with CPython messages

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     youknowone

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   • Report parameter, argument, star and dictionary errors with CPython messages

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     youknowone

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   • Name the invalid expression in binding target errors

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     youknowone

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   • Report a missing indented block with its clause and header line

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     youknowone

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   • Report number literal, string prefix and non-printable errors

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     youknowone

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   • Report bracket errors and prioritize tokenizer errors

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     youknowone

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   • Report unterminated strings at their start with the detected line

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     youknowone

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   • Report indentation errors as separate lexer error kinds

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     youknowone

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   • Emit CPython error message texts from the parser

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     youknowone

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2. Commits on Sep 2, 2026

   • Allow unary plus in match patterns on Python 3.15 (#28231)

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     ntBre

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3. Commits on Aug 18, 2026

   • [syntax-errors] Detect duplicate keyword arguments (#17804)

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     eduardorittner

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     ntBre

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4. Commits on Aug 14, 2026

   • Guarantee minimum stack size when parsing a module, standalone expression, and suites (#25464)

     MichaReiser

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5. Commits on Jul 15, 2026

   • Update Rust toolchain to 1.97 and MSRV to 1.95 (#26844)

     charliermarsh

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6. Commits on Jun 15, 2026

   • Reject `_` as a match-pattern target (#25977)

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     charliermarsh

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7. Commits on May 28, 2026

   • [ty] Improve diagnostics for syntax errors in forward annotations (#25158)

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     AlexWaygood

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     MichaReiser

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8. Commits on May 21, 2026

   • Add a recursion limit to the parser (#24810)

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     samuelcolvin

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     charliermarsh

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9. Commits on May 16, 2026

   • Add full PEP 798 support (#25104)

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     JelleZijlstra

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10. Commits on Apr 17, 2026

    • Update Rust toolchain to 1.95 and MSRV to 1.93 (#24677)

      AlexWaygood

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11. Commits on Apr 5, 2026

    • Reject multi-line f-string elements before Python 3.12 (#24355)

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      charliermarsh

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12. Commits on Mar 9, 2026

    • Add support for star-unpacking of comprehensions (PEP 798) (#23788)

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      charliermarsh

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13. Commits on Mar 6, 2026

    • Add support for `lazy` import parsing (#23755)

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      charliermarsh

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14. Commits on Dec 2, 2025

    • Move `Token`, `TokenKind` and `Tokens` to `ruff-python-ast` (#21760)

      MichaReiser

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15. Commits on Oct 31, 2025

    • Consistently wrap tokens in parser diagnostics in `backticks` instead of 'quotes' (#21163)

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      lucach

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16. Commits on Jul 3, 2025

    • Combine `OldDiagnostic` and `Diagnostic` (#19053)

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      ntBre

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      AlexWaygood

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17. Commits on Jun 26, 2025

    • [ty] Add environment variable to dump Salsa memory usage stats (#18928)

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      ibraheemdev

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18. Commits on Jun 18, 2025

    • Disallow newlines in format specifiers of single quoted f- or t-strings (#18708)

      MichaReiser

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      1188ffcView commit details

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19. Commits on Jun 16, 2025

    • Add syntax error when conversion flag does not immediately follow exclamation mark (#18706)

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      dylwil3

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20. Commits on May 30, 2025

    • Implement template strings (#17851)

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      dylwil3

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21. Commits on May 16, 2025

    • Switch to Rust 2024 edition (#18129)

      MichaReiser

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22. Commits on Apr 29, 2025

    • Make syntax error for unparenthesized except tuples version specific to before 3.14 (#17660)

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      dylwil3

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23. Commits on Apr 23, 2025

    • [syntax-errors] Make duplicate parameter names a semantic error (#17131)

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      ntBre

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24. Commits on Apr 7, 2025

    • [red-knot] Add 'Format document' to playground (#17217)

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      MichaReiser

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25. Commits on Mar 18, 2025

    • [syntax-errors] PEP 701 f-strings before Python 3.12 (#16543)

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      ntBre

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