oxc Releases

This release focuses on security maintenance by updating specific packages to clear critical, high, and moderate Dependabot alerts across the ecosystem.

Jul 28, 2026

Minimal release notes: "Rejects unsafe concurrent index builds, applies canonical search configuration, validates per-table SONA dimensions, and"

Jul 28, 2026

Minimal release notes: "Durable replication serialization and coverage for graph state transfer. Published to crates.io and delivered in #738."

Jul 28, 2026

Oxlint v1.76.0 introduces new linter rules including exports-style and id-denylist, while Oxfmt v0.61.0 adds support for YAML formatting and LSP configuration options. Significant performance improvements were made to reduce allocations in the linter.

Jul 27, 2026

The minifier gains optimizations for folding parenthesized ternaries and integer zero comparisons. AST visitor receives a new `VisitJsMut` visitor and a `static_str!` macro is added.

Jul 27, 2026

Announcing the stable release of Type-Aware Linting. Includes new React linting rules and configuration options for existing type import rules.

Jul 21, 2026

Core library release featuring breaking changes to AST structures, splitting `MetaProperty` and moving `IdentBuildHasher`. Includes significant React compiler enhancements and minification optimizations.

Jul 21, 2026

Oxlint adds options for namespace handling and auto-discovery of `.mts` config files, along with autofix logic for duplicate imports. Oxfmt updates CSS parsing and introduces `quoteProps` support.

Jul 14, 2026

Core library release focusing on the React compiler and minifier. Introduces De Morgan's law optimization, memory tracking, and improvements to constant enum recording.

Jul 14, 2026

Oxlint release adding new linting rules like `explicit-timer-delay` and `no-unreachable-loop`, plus per-rule timings for type-aware linting. Oxfmt updates CSS and GraphQL formatters.

Jul 6, 2026

Core library release introducing the `ReplaceWith` trait for efficient AST manipulation. Also adds minifier optimizations for boolean literals and IIFEs.

Jul 6, 2026

Oxlint adds React suggestions and fixes for exhaustive-deps, alongside a breaking change to string/identifier method signatures. Oxfmt introduces CSS and GraphQL formatters.

Jun 29, 2026

Major refactoring to a new `AstBuilder` interface and allocator system. Significant performance improvements achieved through direct arena allocation of AST nodes.

Jun 29, 2026

Oxlint release adding numerous new rules (restricted globals, properties, extensions, sync) and performance optimizations. Oxfmt fixes various formatting edge cases.

Jun 22, 2026

This release focuses on breaking changes to the ESTree configuration and performance optimizations in the parser and minifier. It also adds a new `CodeBuffer::as_str` method and improves React compiler integration.

Jun 18, 2026

This release adds schemas for a vast array of lint rules (ESLint, TypeScript, Vue, Jest, Vitest, React) and introduces JSON formatting capabilities. It includes parser breaking changes from v0.137.0.

Jun 15, 2026

This release introduces React Compiler support as a feature-gated transform pass and adds numerous TypeScript diagnostics. It includes performance improvements to the parser and codegen, such as table-driven operator precedence.

Jun 15, 2026

This release integrates the Rust port of the React Compiler. It adds `#[non_exhaustive]` to AST nodes and introduces strict parsing rules for TypeScript features like `super.#field` and `abstract` private fields.

Jun 8, 2026

This release adds schemas for many standard ESLint rules and Vue rules. Oxfmt gains JSON formatting support. It includes AST breaking changes from v0.135.0 and a performance optimization for the class table.

Jun 8, 2026

This release adds new lint rules for Vue and standard ESLint. Oxfmt gains JSON formatting support. It includes parser strictness improvements from v0.134.0.

Jun 1, 2026