release(crates): v0.71.0

[oxc-bot]

[0.71.0] - 2025-05-20

• 1a4fec0 codegen: [BREAKING] A legal comment can also be a jsdoc comment (fix(codegen)!: a legal comment can also be a jsdoc comment #11158) (Boshen)

• 65a6419 mangler: [BREAKING] Mangler::build_with_semantic take mut ref to Semantic (perf(mangler)!: Mangler::build_with_semantic take mut ref to Semantic #11132) (overlookmotel)

• 5d9344f rust: [BREAKING] Clippy avoid-breaking-exported-api = false (refactor(rust)!: clippy avoid-breaking-exported-api = false #11088) (Boshen)

Features

• c60382d allocator/vec2: Change len and cap fields from usize to u32 (feat(allocator/vec2): change len and cap fields from usize to u32 #10884) (Dunqing)
• d47b305 ast/estree: Add phase field to ImportExpression in ESTree AST (feat(ast/estree): add phase field to ImportExpression in ESTree AST #11165) (overlookmotel)
• 1bc8d29 ast/estree: Add phase field to ImportDeclaration in ESTree AST (feat(ast/estree): add phase field to ImportDeclaration in ESTree AST #11157) (overlookmotel)
• 9e90e00 ast_tools: Introduce #[js_only] attr for struct fields and converters (feat(ast_tools): introduce #[js_only] attr for struct fields and converters #11160) (overlookmotel)
• fa06d7f codegen: Print override modifier of FormalParameter (feat(codegen): print override modifier of FormalParameter #11134) (Ulrich Stark)
• c29b1b8 codegen: Deduplicate repeated legal comments (feat(codegen): deduplicate repeated legal comments #11069) (Boshen)
• c79a7d0 data_structures: Introduce PointerExt trait (feat(data_structures): introduce PointerExt trait #11095) (overlookmotel)
• d67c9e5 napi: Bump napi to beta (feat(napi): bump napi to beta #11159) (Boshen)

Bug Fixes

• ec96e76 ast_macros: Fix missing syn feature "clone-impls" (fix(ast_macros): fix missing syn feature "clone-impls" #11181) (Boshen)
• 3795eb6 ci: Use jsdelivr for all benchmark files (fix(ci): use jsdelivr for all benchmark files #11108) (Boshen)
• 963167d napi: Fix cfg feature on global_allocator (Boshen)
• 83e4f9b parser: Fix reading Token flags on big-endian systems (fix(parser): fix reading Token flags on big-endian systems #11153) (overlookmotel)
• ef72143 parser: Parse index signature with multiple parameter (fix(parser): parse index signature with multiple parameter #11068) (Boshen)
• fcd5ba9 transformer/legacy-decorator: Decorates insertion order is incorrect (fix(transformer/legacy-decorator): decorates insertion order is incorrect #11144) (Dunqing)
• 468ddf4 transformer/legacy-decorator: Static class fields cannot be accessed in static field initializer when class-properties plugin is not enabled (fix(transformer/legacy-decorator): static class fields cannot be accessed in static field initializer when class-properties plugin is not enabled #11143) (Dunqing)
• 907e114 transformer/optional-chaining: Optional chaining expression isn't being transformed correctly when inside a double call expression (fix(transformer/optional-chaining): optional chaining expression isn't being transformed correctly when inside a double call expression #11179) (Dunqing)
• d374490 transformer/typescript: Panics when setPublicClassFields = true and the class includes private field (fix(transformer/typescript): panics when setPublicClassFields = true and the class includes private field #11089) (Dunqing)

Performance

• a6057c7 allocator/vec: Remove SetLenOnDrop (perf(allocator/vec): remove SetLenOnDrop #11079) (overlookmotel)
• 7e69c08 allocator/vec: Remove alloc_guard from RawVec::from_raw_parts_in + clarify safety docs (perf(allocator/vec): remove alloc_guard from RawVec::from_raw_parts_in + clarify safety docs #11073) (overlookmotel)
• 5dcd0f1 allocator/vec2: Reorder RawVec fields (perf(allocator/vec2): reorder RawVec fields #11050) (Dunqing)
• 6571b9b ast: Use bitflags for storing comment newline state (perf(ast): use bitflags for storing comment newline state #11096) (camchenry)
• 2b0a69f ast: Re-order struct fields to reduce padding (perf(ast): re-order struct fields to reduce padding #11056) (overlookmotel)
• b9e51e2 ast: Reduce size of Comment to 16 bytes (perf(ast): reduce size of Comment to 16 bytes #11062) (camchenry)
• 8f8d823 ast/estree: Optimize serializing strings to JSON (perf(ast/estree): optimize serializing strings to JSON #11070) (overlookmotel)
• f8fac4e data_structures: Inline all methods in PointerExt (perf(data_structures): inline all methods in PointerExt #11149) (overlookmotel)
• 0f9b43e lexer: Tighten search loops (perf(lexer): tighten search loops #11118) (overlookmotel)
• 261e78b lexer: Use offset_from and offset_from_unsigned for pointer comparisons (perf(lexer): use offset_from and offset_from_unsigned for pointer comparisons #11116) (overlookmotel)

Documentation

• 7c84a56 allocator/vec: Correct safety comments for RawVec::append_elements (docs(allocator/vec): correct safety comments for RawVec::append_elements #11072) (overlookmotel)
• e92bf1f napi: Update docs for oxc-parser (docs(napi): update docs for oxc-parser #11156) (overlookmotel)
• 8570211 span: Fix incorrect comments for functions (docs(span): fix incorrect comments for functions #11138) (Ulrich Stark)

Refactor

• f081757 allocator/vec: Simplify comparison macros (refactor(allocator/vec): simplify comparison macros #11178) (overlookmotel)
• b4b7d09 allocator/vec: Remove RawVec::with_capacity_zeroed_in (refactor(allocator/vec): remove RawVec::with_capacity_zeroed_in #11177) (overlookmotel)
• 44630a9 allocator/vec: Re-order arguments to RawVec::from_raw_parts_in (refactor(allocator/vec): re-order arguments to RawVec::from_raw_parts_in #11176) (overlookmotel)
• 31c5169 allocator/vec: Rename vars and lifetimes (refactor(allocator/vec): rename vars and lifetimes #11175) (overlookmotel)
• aa76a16 allocator/vec: Re-order methods (refactor(allocator/vec): re-order methods #11080) (overlookmotel)
• 2f05c54 allocator/vec: Limit scope of #[expect(clippy::cast_possible_truncation)] (refactor(allocator/vec): limit scope of #[expect(clippy::cast_possible_truncation)] #11074) (overlookmotel)
• fc2f040 allocator/vec: Clarify comment (refactor(allocator/vec): clarify comment #11071) (overlookmotel)
• 7d54577 allocator/vec2: Move len field from Vec to RawVec (refactor(allocator/vec2): move len field from Vec to RawVec #10883) (Dunqing)
• 20a4a8c ast: Shorten CommentNewlines methods (refactor(ast): shorten CommentNewlines methods #11152) (overlookmotel)
• 58c7de6 ast: Rename CommentNewlines fields (refactor(ast): rename CommentNewlines fields #11151) (overlookmotel)
• e5438dc ast: Inline Comment newline flags setters (refactor(ast): inline Comment newline flags setters #11150) (overlookmotel)
• 7b9ab22 parser: Use bump instead of eat if ignoring return value (refactor(parser): use bump instead of eat if ignoring return value #11137) (Ulrich Stark)
• 9775585 regular_expression: Refactor regexp-modifiers support (refactor(regular_expression): Refactor regexp-modifiers support #11142) (Yuji Sugiura)
• bb8bde3 various: Update macros to use expr fragment specifier (refactor(various): update macros to use expr fragment specifier #11113) (overlookmotel)

Styling

• b3519ca ast: Remove dummy comment (style(ast): remove dummy comment #11162) (overlookmotel)

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[github-actions]

Monitor Oxc

suite	result
Isolated Declarations	undefined

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #11182 will not alter performance

_{Comparing release/crates-1747716405 (dbb0ce4) with main (d47b305)}

Summary

✅ 38 untouched benchmarks