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1. Commits on Oct 16, 2026

   • [JSC] Add fast path for `String#split` with `/\r?\n/`

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2. Commits on Oct 13, 2026

   • [YARR] Use bit tables instead of inlined cmp for unicode property escapes

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     sosukesuzuki

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   • Replace NODELETE with LEGACY_NODELETE in JavaScriptCore

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     rniwa

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3. Commits on Sep 18, 2026

   • [YARR] `\k<name>` in a lookbehind matches empty when the group was opened last

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     sosukesuzuki

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4. Commits on Sep 10, 2026

   • [YARR] Share built-in character classes between all `YarrPattern`s

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     sosukesuzuki

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5. Commits on Sep 5, 2026

   • [YARR] Keep the terms of lookbehinds in match order in YarrPattern

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     sosukesuzuki

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6. Commits on Sep 4, 2026

   • [YARR] Match lookbehinds in the interpreter from a copy of the disjunction in match order

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     sosukesuzuki

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7. Commits on Aug 29, 2026

   • [YARR] Fix lastIndex and ^ handling in dotAll mode

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     syg

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8. Commits on Aug 25, 2026

   • [YARR] Compile lookbehinds containing quantified groups in the JIT

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     sosukesuzuki

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9. Commits on Aug 12, 2026

   • [YARR] Unicode property escapes ignore case-insensitivity in u and v modes

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     sosukesuzuki

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10. Commits on Aug 10, 2026

    • [YARR] Read raw code units for surrogate-free BMP character classes in unicode mode

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      sosukesuzuki

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11. Commits on Aug 9, 2026

    • [YARR] `\P{...}` on the right side of a v-mode `&&` or `--` becomes a union

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      sosukesuzuki

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12. Commits on Aug 4, 2026

    • [YARR] Let `\A` and `\z` use the anchoring optimizations of non-multiline `^` and `$`

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      sosukesuzuki

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13. Commits on Aug 3, 2026

    • [YARR] Do not filter the contents of a lookbehind in `optimizeBOL`

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      sosukesuzuki

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14. Commits on Aug 2, 2026

    • [YARR] v-mode class set operations produce stale character widths

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      sosukesuzuki

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    • [JSC] Add support for Regular Expression Buffer Boundaries proposal

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      heimskr

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      Ahmad Saleem

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    • [YARR] Stop the chunked v-mode class set operation loop as soon as it can produce nothing more

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      sosukesuzuki

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15. Commits on Jul 31, 2026

    • [YARR] Start matching end-anchored fixed-size regexps at the only possible position

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      sosukesuzuki

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    • [YARR] Don't save sibling and ancestor sibling frame slots for ParenContext

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      syg

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16. Commits on Jul 30, 2026

    • [YARR] Do not filter the contents of a negative lookahead in `optimizeBOL`

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      sosukesuzuki

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17. Commits on Jul 29, 2026

    • [YARR] Extend ParenthesesSubpatternTerminal

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      Constellation

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    • [JSC] Make addSortedRange faster by using binary search

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      Constellation

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18. Commits on Jul 27, 2026

    • [JSC][YARR] Extend first-character filter more

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      Constellation

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    • [YARR] The dot-star-wrapped-expression optimization is wrong for sticky patterns

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      Constellation

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    • [YARR] A ^ inside a parenthesis that can match empty does not anchor the pattern

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19. Commits on Jul 24, 2026

    • [JSC] DFG / FTL should have fast-fail filter for RegExp with BOL assertions

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      Constellation

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20. Commits on Jul 2, 2026

    • [YARR] EOL string list optimization produces incorrect matches with multiline flag

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      sosukesuzuki

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21. Commits on Jun 28, 2026

    • [YARR] Use StringList optimization when captures are not used

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      Constellation

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    • [YARR] Add latin1Table for efficient Char8 filtering

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22. Commits on Jun 27, 2026

    • [JSC] Enable RegExp atom fast path for unicode patterns

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      sosukesuzuki

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23. Commits on Jun 8, 2026

    • [YARR] Add auto-possession optimization

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      Constellation

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24. Commits on Jun 6, 2026

    • [YARR] String list fast path drops a non-final empty alternative

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      sosukesuzuki

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25. Commits on Jun 3, 2026

    • [YARR] `putRange()` misses Unicode canonical equivalents U+017F and U+212A for ASCII ranges

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      sosukesuzuki

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26. Commits on Jun 2, 2026

    • [JSC] Implement Variable Count Parentheses in YarrJIT

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      Constellation

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27. Commits on Jun 1, 2026

    • [Yarr] Change Yarr m_matches / m_ranges / m_matchesUnicode / m_rangesUnicode ranges

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      Constellation

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