apps_v1.82.0

oxc-project/oxcapps_v1.82.0Sep 7, 2026by github-actions[bot]

AI Summary

This release updates both the linter (oxlint) and the formatter (oxfmt) with parser breaking changes. Oxfmt sees significant CSS formatting improvements and performance optimizations, while oxlint adds a new lint rule option.

Key Highlights

Parser breaking changes: `panicked` renamed to `fatal_error` and `MAX_LEN` reduced
New lint rule option: `checkConditionalExpressions` for `no-unmodified-loop-condition`
Significant CSS formatting improvements (preserving comments, SCSS handling)
Performance gains in oxfmt via config reuse

Breaking Changes

Rename `panicked` to `fatal_error` in `ParserReturn`
Reduce `MAX_LEN` to 256 bytes below `u32::MAX`

New Features

Support `checkConditionalExpressions` option for `no-unmodified-loop-condition`
Follow oxc-css-parser's acceptance line
Treat JSDoc cast target as opaque in chain layouts
Keep JSDoc cast parens with a comment inside them

Full Release Notes

## Table of Contents

- [Oxlint v1.82.0](#oxlint-v1.82.0)
- [Oxfmt v0.67.0](#oxfmt-v0.67.0)

## Oxlint v1.82.0
### 💥 BREAKING CHANGES

- 66744f0 parser: [**BREAKING**] Rename `panicked` to `fatal_error` in `ParserReturn` (#26382) (overlookmotel)

### 🚀 Features

- 6a0e19c linter/eslint/no-unmodified-loop-condition: Support `checkConditionalExpressions` option (#26249) (camc314)

### 🐛 Bug Fixes

- aa38ddf linter/unicorn/numeric-separators-style: Correct schema defaults (#26393) (camc314)
- 562dd14 jsx-a11y/anchor-has-content: Allow anchors passed as custom component props (#26360) (Mikhail Baev)
- 253cdb2 linter/eslint/id-length: Exempt TS interface/type-literal members with never (#26310) (Pearce Ropion)
- 8c7ea76 ast_visit: Account for trimmed source offsets (#26223) (Cameron)
- 5f9cffc linter/typescript/no-explicit-any: Fix rest parameter to `unknown[]` (#26279) (camc314)
- 4de9fa3 linter/react/jsx-no-literals: Check nested JSX expression literals (#26253) (camc314)
- 07851b9 parser: Fix debug assert failure when lexer error with tokens enabled (#26229) (overlookmotel)
- 9cee146 oxlint/lsp: Don't try to parse fix message, always fallback (#26204) (Sysix)
- a662c40 linter/eslint/no-useless-assignment: Handle destructuring assignments (#25925) (camc314)
- 304bd9a linter/eslint/no-array-constructor: Handle ASI hazards in fixer (#26166) (Hamody We)
- b41bb35 linter: Qualify rules in rules output (#26250) (camc314)
- 895c685 linter/typescript/no-extraneous-class: Avoid deleting class expressions (#26231) (camc314)
- 4ba33c8 linter/eslint/no-unused-vars: Handle stored arrow references (#26225) (camc314)

### 🛡️ Security

- 9a612d5 deps: Update npm packages (#26178) (renovate[bot])

## Oxfmt v0.67.0
### 💥 BREAKING CHANGES

- 66744f0 parser: [**BREAKING**] Rename `panicked` to `fatal_error` in `ParserReturn` (#26382) (overlookmotel)
- 2c9a947 parser: [**BREAKING**] Reduce `MAX_LEN` to 256 bytes below `u32::MAX` (#26352) (overlookmotel)

### 🚀 Features

- 68e12ab formatter_css: Follow the oxc-css-parser's acceptance line (#26337) (leaysgur)

### 🐛 Bug Fixes

- f7acdc0 formatter: Treat a JSDoc cast target as opaque in chain layouts (#26375) (leaysgur)
- 104061b formatter: Keep JSDoc cast parens with a comment inside them (#26374) (leaysgur)
- 3d00a76 formatter_css: Keep comment inside important and simple-vars colon (#26370) (leaysgur)
- 172ddb6 formatter_css: Keep a same-line line comment on its line (#26321) (leaysgur)
- cafaf32 formatter_css: Never drop comments inside an at-rule prelude (#26320) (leaysgur)
- 534a0fe formatter_css: Keep a line comment on its comma's line (#26319) (leaysgur)
- 99cfd75 formatter_css: Hide raw comment printing API, use strcut instead (#26316) (leaysgur)
- 2028896 formatter_css: Preserve comments around SCSS/Less variable values (#26276) (leaysgur)
- 6752abc formatter_css: Keep leading comments before (#26272) (leaysgur)
- 3b054de formatter_graphql: Align comment printing after open `{` (#26271) (leaysgur)
- b3c287a formatter_css: Fix SCSS bracket list printing (#26270) (leaysgur)
- bac770a formatter_css: Preserve comment in SCSS paren comma list (#26269) (leaysgur)
- c7b57ef formatter_css: Print SCSS map consisntent with and without comment (#26268) (leaysgur)
- 063e2b6 formatter_css: Preserve trailing comma in single-item scss lists (#26245) (leaysgur)
- 5f9580d oxfmt: Bump prettier-plugin-tailwindcss (#26273) (leaysgur)

### ⚡ Performance

- 1cad286 oxfmt: Match editorconfig once per file (#26239) (Yuji Sugiura)
- 260c5eb oxfmt: Match `overrides` once per file (#26238) (leaysgur)
- 61565bc oxfmt: Share resolved `FormatConfig` via `Arc` instead of cloning per file (#26237) (leaysgur)

### 📚 Documentation

- 32084d4 formatter_core: Clarify printer hard_line compression (#26312) (leaysgur)
- 4fabdcc formatter,formatter_css,formatter_graphql,formatter_yaml: Update DIVERGENCES.md (#26267) (leaysgur)
- 26a1fa4 formatter_core: Refine FORMATTER_POLICY (#26266) (leaysgur)

### 🛡️ Security

- 9a612d5 deps: Update npm packages (#26178) (renovate[bot])