release(crates): v0.87.0

[oxc-bot]

[0.87.0] - 2025-09-08

🚀 Features

• f00adbe semantic: Add ability to lookup if AST contains any node kinds (feat(semantic): add ability to lookup if AST contains any node kinds #13137) (camchenry)
• bb1faf9 allocator: Implement CloneIn for HashMap (feat(allocator): implement CloneIn for HashMap #13562) (overlookmotel)
• a54a4de allocator: Implement CloneIn for Box<[T]> (feat(allocator): implement CloneIn for Box<[T]> #13505) (overlookmotel)
• c1fdcf6 allocator: Add Vec::into_boxed_slice method (feat(allocator): add Vec::into_boxed_slice method #13503) (overlookmotel)
• 2cd4c7b minifier: Inline constant that is declared in normal for statement initializer (feat(minifier): inline constant that is declared in normal for statement initializer #13509) (sapphi-red)
• 52f3e89 minifier: Remove unused variables in for init (feat(minifier): remove unused variables in for init #13508) (sapphi-red)
• b4dfddd minifier: Store symbol information for for init variables (feat(minifier): store symbol information for for init variables #13507) (sapphi-red)
• 05def8c minifier: Constant fold RegExp.prototype.source (feat(minifier): constant fold RegExp.prototype.source #13472) (sapphi-red)
• 9590b57 regular_expression: Detect regex pattern modifiers usage (feat(regular_expression): detect regex pattern modifiers usage #13471) (sapphi-red)
• 78dcfc6 minifier: Return total iterations ran for DCE as well (feat(minifier): return total iterations ran for DCE as well #13476) (sapphi-red)
• ecf69bb minifier: Respect --max-iterations for DCE as well (feat(minifier): respect --max-iterations for DCE as well #13475) (sapphi-red)

🐛 Bug Fixes

• d6b2e57 semantic: Correct comment on AstTypesBitset (fix(semantic): correct comment on AstTypesBitset #13572) (overlookmotel)
• 26ab087 transformer: Don't ignore the entity after a stray '&' (fix(transformer): don't ignore the entity after a stray '&' #13554) (Shina)
• e11a946 rust: Fix missing docs (fix(rust): fix missing docs #13541) (Boshen)
• 34d3cde rust: Fix clippy issues (fix(rust): fix clippy issues #13540) (Boshen)
• 65aca9e parser: Reset popped lexer errors when rewinding (fix(parser): reset popped lexer errors when rewinding #13494) (Ulrich Stark)
• dc9645f semantic: Allow super in object literal method inside a class (fix(semantic): allow super in object literal method inside a class #13463) (Boshen)
• 9184911 regular_expression: Detect usage of unsupported syntax recursively (fix(regular_expression): detect usage of unsupported syntax recursively #13470) (sapphi-red)
• 0eea7da regular_expression: Don't lower capture groups that are not named ones (fix(regular_expression): don't lower capture groups that are not named ones #13469) (sapphi-red)
• 946669b minifier: Inline multiple variable declarations at once (fix(minifier): inline multiple variable declarations at once #13477) (sapphi-red)

🚜 Refactor

• c17b80a regular_expression: Extract has_unsupported_regular_expression_pattern (refactor(regular_expression): extract has_unsupported_regular_expression_pattern #13468) (sapphi-red)
• 14c40fd ast: Implement RegExpLiteral::parse_pattern (refactor(ast): implement RegExpLiteral::parse_pattern #13467) (sapphi-red)

⚡ Performance

• 5648b31 semantic: Speed up Scoping::clone_in_with_semantic_ids_with_another_arena (perf(semantic): speed up Scoping::clone_in_with_semantic_ids_with_another_arena #13563) (overlookmotel)
• 6fce49d allocator: Remove bounds checks in CloneIn for Vec (perf(allocator): remove bounds checks in CloneIn for Vec #13506) (overlookmotel)
• 60dd9c9 minifier: Prealloc template exprs vec (perf(minifier): prealloc template exprs vec #13410) (camchenry)
• 3ead0dd parser: Store Option for lexer errors (perf(parser): store Option<diagnostic> for lexer errors #13520) (camc314)

[graphite-app]

How to use the Graphite Merge Queue

Add either label to this PR to merge it via the merge queue:

• 0-merge - adds this PR to the back of the merge queue
• hotfix - for urgent hot fixes, skip the queue and merge this PR next

You must have a Graphite account in order to use the merge queue. Sign up using this link.

An organization admin has enabled the Graphite Merge Queue in this repository.

Please do not merge from GitHub as this will restart CI on PRs being processed by the merge queue.

[github-actions]

Monitor Oxc

suite	result
Isolated Declarations	❌
(dce)	❌
(codegen)	❌
(transformer)	❌
(compressor)	❌
(whitespace)	❌
(mangler)	❌

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13587 will not alter performance

_{Comparing release/crates-1757300830 (4b27c97) with main (83254c9)¹}

Summary

✅ 37 untouched benchmarks

Footnotes

1. No successful run was found on main (700c3b1) during the generation of this report, so 83254c9 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩