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oxlint_v1.88.0

oxc-project/oxcoxlint_v1.88.0Oct 13, 2026by github-actions[bot]

Upgrading?

What changed from oxfmt_v0.73.0 → oxlint_v1.88.0?What's new in crates_v0.155.0 after oxlint_v1.88.0?

AI Summary

This release introduces breaking changes regarding AST comment attachment storage and includes LSP improvements to display config errors. It also features performance optimizations for linting plugins and fixes for natural sorting and BigInt literal handling.

Key Highlights

  • Refactor AST comment attachment storage
  • Show config errors to LSP client
  • Performance optimizations for linter plugins
  • Natural order sorting for sort-keys
  • Fix BigInt literal precision issues

Breaking Changes

  • Refactor comment attachment storage (#27512)
  • Add comment attachment storage (#27393)

New Features

  • Show config errors to LSP client
  • Add `allowWithVariables` option to `prefer-query-selector` rule

Full Release Notes

### 💥 BREAKING CHANGES

- 7730e14 ast: [**BREAKING**] Refactor comment attachment storage (#27512) (camc314)
- c904b61 ast: [**BREAKING**] Add comment attachment storage (#27393) (camc314)

### 🚀 Features

- bde9f69 oxlint/lsp: Show config errors to LSP client (#25486) (Sysix)
- 3c361a7 linter/unicorn/prefer-query-selector: Add `allowWithVariables` option (#27346) (Mikhail Baev)

### 🐛 Bug Fixes

- 82ecc43 linter/sort-keys: Compare natural order like ESLint (#27579) (Dunqing)
- 598ac03 linter/unicorn/prefer-bigint-literals: Unwrap redundant constructor call; don't auto-fix for lost precision (#25690) (Jacob Bandes-Storch)
- 2512213 linter: Prevent conflicting type import fixes (#27409) (camc314)
- 2349a31 oxfmt: Follow symlinked configs in discovery (#27389) (leaysgur)
- 6e573f9 oxlint,oxfmt: Set stderr blocking (#27363) (leaysgur)

### ⚡ Performance

- 91b588c linter/oxc/bad-array-method-on-arguments: Check arguments references once (#26930) (camc314)
- c5f47ed linter/plugins: Inline `firstCommentAtOrAfter` into call sites (#27539) (overlookmotel)
- c5f9235 linter/plugins: Use shift over multiply for powers of 2 (#27536) (overlookmotel)
- 8c57c5e linter: Share one source per file across type-aware diagnostics (#27462) (Max Schwenk)
- 19c227d minifier: Use ident when checking specific id names (#27208) (Armano)

### 📚 Documentation

- 98cc2b4 linter/plugins: Improve documentation for `firstCommentAtOrAfter` (#27538) (overlookmotel)
- 3bb54f6 linter: Update stale comment (#27519) (overlookmotel)
- 848a4e7 linter: Update fix metadata for tsgolint rules that already provide fixes (#27408) (Mikhail Baev)

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