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1. Commits on Oct 19, 2026

   • Report an adjacent `<` and `>` in a comparison as the obsolete `<>`

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     youknowone

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2. 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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   • Keep a starred var-positional annotation out of the default value error

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     youknowone

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   • Skip work on the error-free parse path

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     youknowone

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   • Format parser sources

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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 remaining statement errors with CPython messages

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     youknowone

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   • Report remaining expression 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 indentation errors as separate lexer error kinds

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     youknowone

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   • Report misplaced starred expressions at the `*`

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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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   • Report unparenthesized except types once `as NAME :` matches

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     youknowone

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   • Match CPython class generator syntax error (#5)

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     youknowone

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   • Patch Ruff for RustPython

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     youknowone

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3. Commits on Oct 13, 2026

   • [ty] Fix panic on completions past the end of a notebook's last cell (#29306)

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     charliermarsh

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4. Commits on Sep 17, 2026

   • Rename `TokenKind::Name` to `Identifier` (#28667)

     MichaReiser

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5. Commits on Sep 10, 2026

   • [ty] Reduce retained AST memory by shrinking expressions (#28335)

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     charliermarsh

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6. Commits on Sep 7, 2026

   • Reuse parser name lookups when interning (#28399)

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     charliermarsh

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7. Commits on Sep 2, 2026

   • Validate unary expressions when parsing (#28233)

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     ntBre

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

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     ntBre

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8. Commits on Aug 21, 2026

   • Use stabilized Rust pattern assertion macros (#27955)

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     charliermarsh

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9. Commits on Aug 19, 2026

   • Align t-string/bytes mix error with CPython 3.14 (#27766)

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     Sacrimento

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     MichaReiser

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10. 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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11. Commits on Aug 14, 2026

    • Fix broken link to Python docs (#27757)

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      rosstitmarsh

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

      MichaReiser

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12. Commits on Aug 10, 2026

    • Enable rustfmt on more files (#27630)

      AlexWaygood

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13. Commits on Aug 9, 2026

    • [ty] Reduce Expr size to 64 bytes (#27591)

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      charliermarsh

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      charliemarsh-oai

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14. Commits on Aug 1, 2026

    • Narrow internal visibility with Hawk (#27339)

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      charliermarsh

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15. Commits on Jul 24, 2026

    • Reduce syntax error noise by swallowing dedents like indents

      epage

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