v1.12.0: oxlint v1.12.0

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[1.12.0] - 2025-08-17

Announcing Oxlint Type-Aware Preview

🚀 Features

• 09b597f linter: Handle help message from tsgolint (#​13143) (Boshen)
• aecacae linter: Support ignorePatterns for nested configs (#​12210) (Sysix)
• c661bac linter: Add eslint/prefer-template rule (#​13117) (yefan)
• 920e06f linter: Implement fixer for jsx_curly_brace_presence (#​13005) (RoelGo)
• 1c79d02 linter: Add react/jsx-fragments rule (#​12988) (Peter Cardenas)
• a799982 linter/consistent-type-specifier-style: Add fixer for top-level style config (#​13023) (Li Wei)
• 61112a3 linter: Add 36 new TypeScript ESLint rules with comprehensive test fixtures (#​12893) (Copilot)
• 4ce252c linter: Add dangerous suggestion for jsx-a11y/tabindex-no-positive (#​12963) (Sysix)

🐛 Bug Fixes

• 66a350e oxlint: Should type linting files after ignore (#​13149) (Boshen)
• 81b0162 linter: Preserve json key order for oxlint --init (#​13121) (Boshen)
• f97791a linter/no-this-alias: Update NoThisAliasConfig default config (#​13095) (camc314)
• 43b1c5a linter: Do not count type-aware rules, when not enabled (#​13062) (Sysix)
• 618ee87 linter/array-callback-return: Fix handling of default case in switch statements for array-callback-return rule (#​13081) (Li Wei)
• c211d32 linter: Fix whitespace handling in disable directives (#​13083) (Li Wei)
• a0ccada tsgolint: Handle non-zero exit status from tsgolint process (#​13087) (camc314)
• b0558a4 linter: Prevent unsound use of Allocator across threads (#​13032) (overlookmotel)
• 2d287d0 linter/no-unused-private-class-members: False positive with private member in compound assignments (#​13053) (yefan)

🚜 Refactor

• 700b412 linter: Add impl for TsGoLintDiagnostic into Message (#​13144) (Sysix)
• 437a63d linter: message_to_message_with_position helper function (#​13140) (Sysix)
• 8459a12 linter: Pass paths to TsGoLintState.lint method (#​13131) (Sysix)
• 0dd7908 linter: Fix dead code warnings when compiling napi/oxlint2 (#​13132) (overlookmotel)
• f0a517f linter: Pass cwd instead of LintServiceOptions into TsGoLintState (#​13127) (Sysix)
• b638371 language_server: Do not check twice for supported extension (#​13130) (Sysix)
• 34ae2f0 linter: Move tsgolint.rs to oxc_linter crate (#​13126) (Sysix)
• 9f924f6 linter: Always explicitly initialize Rayon thread pool (#​13122) (overlookmotel)
• 6c5b8be linter: Create AllocatorPool in Runtime::new (#​13106) (overlookmotel)
• cc2a85b linter: Remove CliRunResult from TsGoLintState (#​13119) (Sysix)
• 23e5642 linter: Move TsGoLintInput creation into own function (#​13118) (Sysix)
• 0453ee3 linter: Rename var for consistency (#​13074) (overlookmotel)
• 5783df2 linter: Dereference Allocator from AllocatorGuard (#​13073) (overlookmotel)
• 1d77d92 linter: Avoid unnecessary var initialization (#​13072) (overlookmotel)
• 1c15288 linter: Extract duplicated is_jsx_fragment function to shared utils (#​13093) (Copilot)
• 0b61338 linter/jsx-curly-brace-presence: Iter over chars rather than using regex (#​13094) (Copilot)
• 74fb6c9 linter: Reduce repeated code (#​13070) (overlookmotel)

⚡ Performance

• 3bfb235 linter: Implement streaming diagnostics for tsgolint instead of waiting for output to finish (#​13098) (copilot-swe-agent)