release(crates): oxc v0.120.0

[Boshen]

🐛 Bug Fixes

• edb8677 ecmascript: Treat collection constructor with variable arg as side-effectful (fix(ecmascript): treat collection constructor with variable arg as side-effectful #20383) (Dunqing)
• 1f65c3f transformer: Emit design:paramtypes when class has static anonymous class expression (fix(transformer): emit design:paramtypes when class has static anonymous class expression #20382) (bab)
• fa70d5c transformer: Use implementation signature for design:paramtypes when constructor is overloaded (fix(transformer): use implementation signature for design:paramtypes when constructor is overloaded #20394) (bab)
• ed5a7fb parser: Report syntax error for new super() (fix(parser): report syntax error for new super() #20384) (Boshen)
• e62524d minifier: Treat object spread of getters as having side effects (fix(minifier): treat object spread of getters as having side effects #20380) (Boshen)
• f8fbd6e linter/plugins: Remove hashbang property from AST (fix(linter/plugins): remove hashbang property from AST #20365) (overlookmotel)

⚡ Performance

• 30a2b0f minifier: Use atom_from_strs_array for template literal concat (perf(minifier): use atom_from_strs_array for template literal concat #20386) (Boshen)
• 690ce17 minifier: Use Vec::with_capacity for inline template expressions (perf(minifier): use Vec::with_capacity for inline template expressions #20389) (Boshen)
• 9cd612f linter/plugins: Recycle comment objects (perf(linter/plugins): recycle comment objects #20362) (overlookmotel)

[github-actions]

Monitor Oxc

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

[Copilot]

Pull request overview

Bumps the Oxc Rust workspace crates and associated NPM/NAPI packages to v0.120.0, updating workspace dependency pins, lockfiles, native binding version checks, and selected changelogs to match the release.

Changes:

• Bump versions to 0.120.0 across Rust crates (Cargo.tomls), NPM packages (package.jsons), and NAPI crates.
• Update NAPI JS loaders’ native-binding version mismatch checks to expect 0.120.0.
• Add 0.120.0 entries to several changelogs describing the included fixes/perf work.

Reviewed changes

Copilot reviewed 45 out of 46 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
npm/runtime/package.json	Bump @oxc-project/runtime version to 0.120.0.
npm/oxc-types/package.json	Bump @oxc-project/types version to 0.120.0.
napi/transform/package.json	Bump oxc-transform NPM version to 0.120.0.
napi/transform/index.js	Update native binding version check strings to 0.120.0.
napi/transform/Cargo.toml	Bump oxc_transform_napi crate version to 0.120.0.
napi/parser/src-js/bindings.js	Update native binding version check strings to 0.120.0.
napi/parser/package.json	Bump oxc-parser NPM version to 0.120.0.
napi/parser/Cargo.toml	Bump oxc_parser_napi crate version to 0.120.0.
napi/parser/CHANGELOG.md	Add 0.120.0 release notes entry (needs completion).
napi/minify/package.json	Bump oxc-minify NPM version to 0.120.0.
napi/minify/index.js	Update native binding version check strings to 0.120.0.
napi/minify/Cargo.toml	Bump oxc_minify_napi crate version to 0.120.0.
crates/oxc_traverse/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_transformer_plugins/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_transformer/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_transformer/CHANGELOG.md	Add 0.120.0 release notes entry.
crates/oxc_syntax/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_str/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_span/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_semantic/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_regular_expression/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_parser/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_parser/CHANGELOG.md	Add 0.120.0 release notes entry.
crates/oxc_napi/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_minifier/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_minifier/CHANGELOG.md	Add 0.120.0 release notes entry.
crates/oxc_mangler/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_jsdoc/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_isolated_declarations/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_estree_tokens/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_estree/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ecmascript/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ecmascript/CHANGELOG.md	Add 0.120.0 release notes entry.
crates/oxc_diagnostics/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_data_structures/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_compat/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_codegen/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_cfg/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ast_visit/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ast_macros/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ast/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc_ast/CHANGELOG.md	Add 0.120.0 release notes entry.
crates/oxc_allocator/Cargo.toml	Bump crate version to 0.120.0.
crates/oxc/Cargo.toml	Bump oxc crate version to 0.120.0.
Cargo.toml	Update [workspace.dependencies] versions to 0.120.0.
Cargo.lock	Update locked package versions to 0.120.0.

---

You can also share your feedback on Copilot code review. Take the survey.