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Commits on Jun 8, 2026

• [YARR] Optimize save and restore ParenContext

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• [YARR] Add auto-possession optimization

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• Remove many unused member variables

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  charliewolfe

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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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Commits on Jun 5, 2026

• [Yarr] YarrInterpreter Greedy backtracking should finish its parentheses by trying up to max count

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Commits on Jun 4, 2026

• [YARR] Change FixedCount model from save-at-END to save-at-BEGIN

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Commits on Jun 3, 2026

• [YARR] Fix NonGreedy backtracking

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

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  sosukesuzuki

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Commits on Jun 2, 2026

• [JSC] Implement Variable Count Parentheses in YarrJIT

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Commits on Jun 1, 2026

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

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Commits on May 31, 2026

• [JSC] Make RegExp tolerant against excessive stress

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Commits on May 29, 2026

• [YARR] Optimize character-classes / patterns with shared lead-surrogate

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Commits on May 19, 2026

• Use newly introduced `WTF::toArray()` instead of `std::to_array()` in WebKit

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  iidmsa

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Commits on May 13, 2026

• [WTF] Use RapidHash

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Commits on May 11, 2026

• Input Position Corruption in Yarr Backreference Backward Matching via `tryReadBackward` Surrogate Pair Rewind

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Commits on May 10, 2026

• [YARR] `containsCapturingTerms` should guard against stack overflow

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  sosukesuzuki

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Commits on May 7, 2026

• Optimize JavaScriptCore #includes

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  geoffreygaren

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• [YARR] Encode Unicode property tables as `constexpr` data instead of inline construction code

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  sosukesuzuki

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• [YARR] ParentheticalAssertionEnd.bt should propagate the failures to ParentheticalAssertionBegin.bt

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Commits on Apr 27, 2026

• [JSC] Codegen: emit basenames, not absolute paths, in "generated from" comments

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  sheeparegreat

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Commits on Apr 25, 2026

• [YARR] Reject dangling hyphen in class set under `/v` flag

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  sosukesuzuki

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Commits on Apr 24, 2026

• [JSC] In unicode mode, non-capturing groups and modifiers increment the number of available backreferences

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  heimskr

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  hyjorc1

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• Reduce use of C-style arrays in the codebase

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  cdumez

  committed
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• [YARR] Just marking current FixedCount ParenContext incomplete and try using it again

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Commits on Apr 22, 2026

• [YARR] Fix YarrJIT SIGBUS from sibling-alt frame slot aliasing

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Commits on Apr 21, 2026

• [YARR] Forward references are no longer JIT-compiled

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  sosukesuzuki

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Commits on Apr 13, 2026

• [YARR] ParenContext Use-After-Free via incomplete context clearing with control of the instruction pointer

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Commits on Apr 10, 2026

• [YARR] `quantifyAtom` should handle `nullopt` from `copyTerm` on stack exhaustion

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  sosukesuzuki

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Commits on Apr 9, 2026

• Use default constructors and assignment operators more

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  darinadler

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Commits on Apr 7, 2026

• [YARR] Clear captures when backtracking out of ParenContext FixedCount and negative lookahead in JIT

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  sosukesuzuki

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• [YARR] Reset `firstCharacterAdditionalReadSize` at `BodyAlternativeNext` reentry

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  sosukesuzuki

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Commits on Apr 2, 2026

• [YARR] Fixed-count mixed-width character class should restore index on backtrack

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  sosukesuzuki

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Commits on Mar 31, 2026

• [YARR] Fix infinite loop in nested FixedCount ParenContext backtrack

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  sosukesuzuki

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Commits on Mar 30, 2026

• Adopt NODELETE in more places in Source/**

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  geoffreygaren

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• Avoid compiling the pattern attribute regex twice in patternMismatch()

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  cdumez

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