apps_v1.66.0

oxc-project/oxcapps_v1.66.0May 19, 2026by github-actions[bot]

AI Summary

Oxlint introduces new ESLint rules and agent output mode; Oxfmt fixes import sorting.

Key Highlights

  • React and ESLint rules (id-match, no-implied-eval)
  • Agent output format auto-detection
  • Import sorting fixes in Oxfmt

New Features

  • New ESLint rules
  • Agent output mode
  • Vite config support

Full Release Notes

## Table of Contents

- [Oxlint v1.66.0](#oxlint-v1.66.0)
- [Oxfmt v0.51.0](#oxfmt-v0.51.0)

## Oxlint v1.66.0
### 🚀 Features

- 1ae291e linter/no-underscore-dangle: Add `allowInUsingDeclarations` option (#22483) (ćŽæšćž†)
- 0440b0f linter/eslint: Implement `id-match` rule (#22379) (Vladislav Sayapin)
- 65bf119 linter: Implement react no-object-type-as-default-prop (#22481) (uhyo)
- 2a6ddce linter/eslint: Implement `no-implied-eval` rule (#22391) (Vladislav Sayapin)
- d3a3c1d linter: Auto detect agents from CLI and transition to the agent output format (#22068) (Jovi De Croock)
- 625758a linter/vitest: Implement padding-around-after-all-blocks rule (#21788) (kapobajza)
- 37680b0 linter: Implement react no-unstable-nested-components (#22248) (Jovi De Croock)
- d8d9c74 linter: Implement import/newline-after-import rule (#19142) (Ryuya Yanagi)

### 🐛 Bug Fixes

- 3f59e03 linter: Only call rayon/miette/tracing inits once (#21899) (Matiss Janis Aboltins)
- 602dfd6 linter/promise/no-return-wrap: Detect Promise calls in all branches (#22474) (zennnnnnn11)
- e182aee linter: Allow dialogs and popovers for no_autofocus (#22289) (mehm8128)
- 7ffb710 linter/jest/vitest: Jest/no-standalone-expect ignores additionalTestBlockFunctions option for jest/vitest hooks (#22477) (kapobajza)
- c6f2d3f linter: Add more expression support for iframe-has-title (#22460) (mehm8128)
- 5747ff1 linter: Avoid enabling jest with vitest plugin (#22499) (camc314)
- 863984f linter/no-find-dom-node: Run on all files (#22479) (bab)

### ⚡ Performance

- 2afef79 linter: Optimize `no-loop-func` (#22491) (camchenry)
- 4c9ca72 oxlint: Align walker thread count with rayon pool (#22494) (Boshen)

### 📚 Documentation

- f7967c7 linter/id-match: Clarify `onlyDeclarations` config docs (#22523) (camc314)
- 1e0c97f linter: Fix closing code block in documentation for `padding-around-after-all-blocks` rule. (#22513) (connorshea)
- a9049fd linter: Exclude directly provide autoFocus to dialog pattern (#22510) (mehm8128)

## Oxfmt v0.51.0
### 🐛 Bug Fixes

- 8ee946f formatter/sort_imports: Use label to classify lines (#22512) (leaysgur)
- 8c1da44 formatter: Normalize destructuring keys in DCR (#22478) (camc314)