release(crates): oxc v0.103.0

[Boshen]

💥 BREAKING CHANGES

• 320c09f ast, parser, linter, codegen, formatter: [BREAKING] Rename CommentKind::Block to CommentKind::SinglelineBlock (feat(ast, parser, linter, codegen, formatter)!: rename CommentKind::Block to CommentKind::SinglelineBlock #16501) (Dunqing)

🚀 Features

• aafcf3e minifier: Remove empty [] and {} declaration (feat(minifier): remove empty [] and {} declaration #16855) (Armano)
• d221921 semantic: ScopeFlags::With (feat(semantic): ScopeFlags::With #16291) (Aapo Alasuutari)
• 083e081 semantic: Add TS2670 error for global scope augmentation without declare modifier (feat(semantic): add TS2670 error for global scope augmentation without declare modifier #16746) (camc314)
• 30a9076 ast, parser, codegen: Add CommentKind::MultilineBlock (feat(ast, parser, codegen): add CommentKind::MultilineBlock #16479) (Dunqing)

🐛 Bug Fixes

• d2f9461 minifier: Preserve classes with decorators (fix(minifier): preserve classes with decorators #16878) (Copilot)
• 99c022e transformer: Revert "fix(transformer): validate JSX pragma values and reject invalid identifiers" (fix(transformer): revert "fix(transformer): validate JSX pragma values and reject invalid identifiers" #16793) (Copilot)
• cb88414 parser: Consume semicolon after let.x and let?.x (fix(parser): consume semicolon after let.x and let?.x #16857) (Copilot)
• d3208dc parser: Parse let?.x (fix(parser): parse let?.x #16840) (Copilot)
• 250feb3 transformer: import.meta.foo.bar matches and replaces import.meta.bar (fix(transformer): import.meta.foo.bar matches and replaces import.meta.bar #16636) (秦宇航)
• 92788c7 semantic: Add TS error code 1235 to namespace declaration diagnostic (fix(semantic): add TS error code 1235 to namespace declaration diagnostic #16747) (camc314)
• 853c20d transformer: Validate JSX pragma values and reject invalid identifiers (fix(transformer): validate JSX pragma values and reject invalid identifiers #16675) (Copilot)
• 0be98b9 semantic: Add TS1016 error code to required parameter after optional diagnostic (fix(semantic): add TS1016 error code to required parameter after optional diagnostic #16685) (camc314)
• 75d489a semantic: Add TS error code to function implementation missing diagnostic (fix(semantic): add TS error code to function implementation missing diagnostic #16518) (camc314)
• e4fad5e semantic: Add TS error code to constructor implementation missing diagnostic (fix(semantic): add TS error code to constructor implementation missing diagnostic #16517) (camc314)

[github-actions]

Monitor Oxc

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

[Copilot]

Pull request overview

This PR releases oxc version 0.103.0, bumping the version from 0.102.0 across all Rust crates and NPM packages. The release includes a breaking change to comment kind naming, new features for comment handling, semantic analysis, and minification, along with bug fixes for the parser, transformer, semantic analyzer, and minifier.

• Version numbers updated from 0.102.0 to 0.103.0 across all crates and packages
• Native binding version checks updated to enforce 0.103.0 compatibility
• CHANGELOG files updated with new release notes dated 2025-12-15

Reviewed changes

Copilot reviewed 47 out of 48 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Cargo.toml	Updated workspace dependency versions to 0.103.0
Cargo.lock	Reflected version bump in dependency lock file
crates/*/Cargo.toml	Updated individual crate versions to 0.103.0
crates/*/CHANGELOG.md	Added release notes for 0.103.0 with features and bug fixes
napi/*/Cargo.toml	Updated NAPI crate versions to 0.103.0
napi/*/package.json	Updated NPM package versions to 0.103.0
napi//index.js, napi//src-js/bindings.js	Updated native binding version checks to 0.103.0
napi/parser/CHANGELOG.md	Added release notes for parser package
npm/*/package.json	Updated NPM package versions to 0.103.0

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[codspeed-hq]

CodSpeed Performance Report

Merging #16887 will not alter performance

_{Comparing release/crates-1765793445 (65f074a) with main (08f4014)}

Summary

✅ 42 untouched
⏩ 3 skipped¹

Footnotes

1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩