fix(deps): update code style deps

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
eslint (source)	9.32.0 -> 9.39.1
eslint-config-next (source)	15.4.4 -> 15.5.6
eslint-plugin-n	17.21.0 -> 17.23.1
eslint-plugin-prettier	5.5.3 -> 5.5.4
eslint-plugin-sonarjs (source)	3.0.4 -> 3.0.5
eslint-plugin-testing-library	7.6.1 -> 7.13.3
lint-staged	16.1.2 -> 16.2.6

---

Release Notes

eslint/eslint (eslint)

v9.39.1

Compare Source

v9.39.0

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v9.38.0

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Features

• ce40f74 feat: update complexity rule to only highlight function header (#​20048) (Atul Nair)
• e37e590 feat: correct no-loss-of-precision false positives with e notation (#​20187) (Francesco Trotta)

Bug Fixes

• 50c3dfd fix: improve type support for isolated dependencies in pnpm (#​20201) (Francesco Trotta)
• a1f06a3 fix: correct SourceCode typings (#​20114) (Pixel998)

Documentation

• 462675a docs: improve web accessibility by hiding non-semantic character (#​20205) (루밀LuMir)
• c070e65 docs: correct formatting in no-irregular-whitespace rule documentation (#​20203) (루밀LuMir)
• b39e71a docs: Update README (GitHub Actions Bot)
• cd39983 docs: move custom-formatters type descriptions to nodejs-api (#​20190) (Percy Ma)

Chores

• d17c795 chore: upgrade @​eslint/js@​9.38.0 (#​20221) (Milos Djermanovic)
• 25d0e33 chore: package.json update for @​eslint/js release (Jenkins)
• c82b5ef refactor: Use types from @​eslint/core (#​20168) (Nicholas C. Zakas)
• ff31609 ci: add Node.js 25 to ci.yml (#​20220) (루밀LuMir)
• 004577e ci: bump github/codeql-action from 3 to 4 (#​20211) (dependabot[bot])
• eac71fb test: remove use of nodejsScope option of eslint-scope from tests (#​20206) (Milos Djermanovic)
• 4168a18 chore: fix typo in legacy-eslint.js (#​20202) (Sweta Tanwar)
• 205dbd2 chore: fix typos (#​20200) (ntnyq)
• dbb200e chore: use team member's username when name is not available in data (#​20194) (Milos Djermanovic)
• 8962089 chore: mark deprecated rules as available until v11.0.0 (#​20184) (Pixel998)

v9.37.0

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Features

• 39f7fb4 feat: preserve-caught-error should recognize all static "cause" keys (#​20163) (Pixel998)
• f81eabc feat: support TS syntax in no-restricted-imports (#​19562) (Nitin Kumar)

Bug Fixes

• a129cce fix: correct no-loss-of-precision false positives for leading zeros (#​20164) (Francesco Trotta)
• 09e04fc fix: add missing AST token types (#​20172) (Pixel998)
• 861c6da fix: correct ESLint typings (#​20122) (Pixel998)

Documentation

• b950359 docs: fix typos across the docs (#​20182) (루밀LuMir)
• 42498a2 docs: improve ToC accessibility by hiding non-semantic character (#​20181) (Percy Ma)
• 29ea092 docs: Update README (GitHub Actions Bot)
• 5c97a04 docs: show availableUntil in deprecated rule banner (#​20170) (Pixel998)
• 90a71bf docs: update README files to add badge and instructions (#​20115) (루밀LuMir)
• 1603ae1 docs: update references from master to main (#​20153) (루밀LuMir)

Chores

• afe8a13 chore: update @eslint/js dependency to version 9.37.0 (#​20183) (Francesco Trotta)
• abee4ca chore: package.json update for @​eslint/js release (Jenkins)
• fc9381f chore: fix typos in comments (#​20175) (overlookmotel)
• e1574a2 chore: unpin jiti (#​20173) (renovate[bot])
• e1ac05e refactor: mark ESLint.findConfigFile() as async, add missing docs (#​20157) (Pixel998)
• 347906d chore: update eslint (#​20149) (renovate[bot])
• 0cb5897 test: remove tmp dir created for circular fixes in multithread mode test (#​20146) (Milos Djermanovic)
• bb99566 ci: pin jiti to version 2.5.1 (#​20151) (Pixel998)
• 177f669 perf: improve worker count calculation for "auto" concurrency (#​20067) (Francesco Trotta)
• 448b57b chore: Mark deprecated formatting rules as available until v11.0.0 (#​20144) (Milos Djermanovic)

v9.36.0

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Features

• 47afcf6 feat: correct preserve-caught-error edge cases (#​20109) (Francesco Trotta)

Bug Fixes

• 75b74d8 fix: add missing rule option types (#​20127) (ntnyq)
• 1c0d850 fix: update eslint-all.js to use Object.freeze for rules object (#​20116) (루밀LuMir)
• 7d61b7f fix: add missing scope types to Scope.type (#​20110) (Pixel998)
• 7a670c3 fix: correct rule option typings in rules.d.ts (#​20084) (Pixel998)

Documentation

• b73ab12 docs: update examples to use defineConfig (#​20131) (sethamus)
• 31d9392 docs: fix typos (#​20118) (Pixel998)
• c7f861b docs: Update README (GitHub Actions Bot)
• 6b0c08b docs: Update README (GitHub Actions Bot)
• 91f97c5 docs: Update README (GitHub Actions Bot)

Chores

• 12411e8 chore: upgrade @​eslint/js@​9.36.0 (#​20139) (Milos Djermanovic)
• 488cba6 chore: package.json update for @​eslint/js release (Jenkins)
• bac82a2 ci: simplify renovate configuration (#​19907) (唯然)
• c00bb37 ci: bump actions/labeler from 5 to 6 (#​20090) (dependabot[bot])
• fee751d refactor: use defaultOptions in rules (#​20121) (Pixel998)
• 1ace67d chore: update example to use defineConfig (#​20111) (루밀LuMir)
• 4821963 test: add missing loc information to error objects in rule tests (#​20112) (루밀LuMir)
• b42c42e chore: disallow use of deprecated type property in core rule tests (#​20094) (Milos Djermanovic)
• 7bb498d test: remove deprecated type property from core rule tests (#​20093) (Pixel998)
• e10cf2a ci: bump actions/setup-node from 4 to 5 (#​20089) (dependabot[bot])
• 5cb0ce4 refactor: use meta.defaultOptions in preserve-caught-error (#​20080) (Pixel998)
• f9f7cb5 chore: package.json update for eslint-config-eslint release (Jenkins)
• 81764b2 chore: update eslint peer dependency in eslint-config-eslint (#​20079) (Milos Djermanovic)

v9.35.0

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Features

• 42761fa feat: implement suggestions for no-empty-function (#​20057) (jaymarvelz)
• 102f444 feat: implement suggestions for no-empty-static-block (#​20056) (jaymarvelz)
• e51ffff feat: add preserve-caught-error rule (#​19913) (Amnish Singh Arora)

Bug Fixes

• 10e7ae2 fix: update uncloneable options error message (#​20059) (soda-sorcery)
• bfa4601 fix: ignore empty switch statements with comments in no-empty rule (#​20045) (jaymarvelz)
• dfd11de fix: add before and after to test case types (#​20049) (Francesco Trotta)
• dabbe95 fix: correct types for no-restricted-imports rule (#​20034) (Milos Djermanovic)
• ea789c7 fix: no-loss-of-precision false positive with uppercase exponent (#​20032) (sethamus)

Documentation

• d265515 docs: improve phrasing - "if" → "even if" from getting-started section (#​20074) (jjangga0214)
• a355a0e docs: invert comparison logic for example in no-var doc page (#​20064) (OTonGitHub)
• 5082fc2 docs: Update README (GitHub Actions Bot)
• 99cfd7e docs: add missing "the" in rule deprecation docs (#​20050) (Josh Goldberg ✨)
• 6ad8973 docs: update --no-ignore and --ignore-pattern documentation (#​20036) (Francesco Trotta)
• 8033b19 docs: add documentation for --no-config-lookup (#​20033) (Francesco Trotta)

Chores

• da87f2f chore: upgrade @​eslint/js@​9.35.0 (#​20077) (Milos Djermanovic)
• af2a087 chore: package.json update for @​eslint/js release (Jenkins)
• 7055764 test: remove tests/lib/eslint/eslint.config.js (#​20065) (Milos Djermanovic)
• 84ffb96 chore: update @eslint-community/eslint-utils (#​20069) (Francesco Trotta)
• d5ef939 refactor: remove deprecated context.parserOptions usage across rules (#​20060) (sethamus)
• 1b3881d chore: remove redundant word (#​20058) (pxwanglu)

v9.34.0

Compare Source

Features

• 0bb777a feat: multithread linting (#​19794) (Francesco Trotta)
• 43a5f9e feat: add eslint-plugin-regexp to eslint-config-eslint base config (#​19951) (Pixel998)

Bug Fixes

• 9b89903 fix: default value of accessor-pairs option in rule.d.ts file (#​20024) (Tanuj Kanti)
• 6c07420 fix: fix spurious failure in neostandard integration test (#​20023) (Kirk Waiblinger)
• 676f4ac fix: allow scientific notation with trailing zeros matching exponent (#​20002) (Sweta Tanwar)

Documentation

• 0b4a590 docs: make rulesdir deprecation clearer (#​20018) (Domenico Gemoli)
• 327c672 docs: Update README (GitHub Actions Bot)
• bf26229 docs: Fix typo in core-concepts/index.md (#​20009) (Tobias Hernstig)
• 2309327 docs: fix typo in the "Configuring Rules" section (#​20001) (ghazi-git)
• 2b87e21 docs: [no-else-return] clarify sample code. (#​19991) (Yuki Takada (Yukinosuke Takada))
• c36570c docs: Update README (GitHub Actions Bot)

Chores

• f19ad94 chore: upgrade to @eslint/js@9.34.0 (#​20030) (Francesco Trotta)
• b48fa20 chore: package.json update for @​eslint/js release (Jenkins)
• 4bce8a2 chore: package.json update for eslint-config-eslint release (Jenkins)
• 0c9999c refactor: prefer default options in grouped-accessor-pairs (#​20028) (루밀LuMir)
• d503f19 ci: fix stale.yml (#​20010) (루밀LuMir)
• e2dc67d ci: centralize stale.yml (#​19994) (루밀LuMir)
• 7093cb8 ci: bump actions/checkout from 4 to 5 (#​20005) (dependabot[bot])

v9.33.0

Compare Source

Features

• e07820e feat: add global object access detection to no-restricted-globals (#​19939) (sethamus)
• 90b050e feat: support explicit resource management in one-var (#​19941) (Sweta Tanwar)

Bug Fixes

• 732433c fix: allow any type for meta.docs.recommended in custom rules (#​19995) (Francesco Trotta)
• e8a6914 fix: Fixed potential bug in check-emfile-handling.js (#​19975) (諏訪原慶斗)

Documentation

• 34f0723 docs: playground button for TypeScript code example (#​19671) (Tanuj Kanti)
• dc942a4 docs: Update README (GitHub Actions Bot)
• 5a4b6f7 docs: Update no-multi-assign.md (#​19979) (Yuki Takada (Yukinosuke Takada))
• 247e156 docs: add missing let declarations in no-plusplus (#​19980) (Yuki Takada (Yukinosuke Takada))
• 0d17242 docs: Update README (GitHub Actions Bot)
• fa20b9d docs: Clarify when to open an issue for a PR (#​19974) (Nicholas C. Zakas)

Build Related

• 27fa865 build: use ESLint class to generate formatter examples (#​19972) (Milos Djermanovic)

Chores

• 4258046 chore: update dependency @​eslint/js to v9.33.0 (#​19998) (renovate[bot])
• ad28371 chore: package.json update for @​eslint/js release (Jenkins)
• 06a22f1 test: resolve flakiness in --mcp flag test (#​19993) (Pixel998)
• 54920ed test: switch to Linter.Config in ESLintRules type tests (#​19977) (Francesco Trotta)

vercel/next.js (eslint-config-next)

v15.5.6

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Turbopack: don't define process.cwd() in node_modules #​83452

Credits

Huge thanks to @​mischnic for helping!

v15.5.5

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• Split code-frame into separate compiled package (#​84238)
• Add deprecation warning to Runtime config (#​84650)
• fix: unstable_cache should perform blocking revalidation during ISR revalidation (#​84716)
• feat: experimental.middlewareClientMaxBodySize body cloning limit (#​84722)
• fix: missing next/link types with typedRoutes (#​84779)

Misc Changes

• docs: early October improvements and fixes (#​84334)

Credits

Huge thanks to @​devjiwonchoi, @​ztanner, and @​icyJoseph for helping!

v15.5.4

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: ensure onRequestError is invoked when otel enabled (#​83343)
• fix: devtools initial position should be from next config (#​83571)
• [devtool] fix overlay styles are missing (#​83721)
• Turbopack: don't match dynamic pattern for node_modules packages (#​83176)
• Turbopack: don't treat metadata routes as RSC (#​82911)
• [turbopack] Improve handling of symlink resolution errors in track_glob and read_glob (#​83357)
• Turbopack: throw large static metadata error earlier (#​82939)
• fix: error overlay not closing when backdrop clicked (#​83981)
• Turbopack: flush Node.js worker IPC on error (#​84077)

Misc Changes

• [CNA] use linter preference (#​83194)
• CI: use KV for test timing data (#​83745)
• docs: september improvements and fixes (#​83997)

Credits

Huge thanks to @​yiminghe, @​huozhi, @​devjiwonchoi, @​mischnic, @​lukesandberg, @​ztanner, @​icyJoseph, @​leerob, @​fufuShih, @​dwrth, @​aymericzip, @​obendev, @​molebox, @​OoMNoO, @​pontasan, @​styfle, @​HondaYt, @​ryuapp, @​lpalmes, and @​ijjk for helping!

v15.5.3

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: validation return types of pages API routes (#​83069)
• fix: relative paths in dev in validator.ts (#​83073)
• fix: remove satisfies keyword from type validation to preserve old TS compatibility (#​83071)

Credits

Huge thanks to @​bgub for helping!

v15.5.2

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: disable unknownatrules lint rule entirely (#​83059)
• revert: add ?dpl to fonts in /_next/static/media (#​83062)

Credits

Huge thanks to @​bgub and @​ztanner for helping!

v15.5.1

Compare Source

[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: aliased navigations should apply scroll handling (#​82900)
• Turbopack: fix invalid NFT entry with file behind symlink (#​82887)
• fix: typesafe linking to route handlers and pages API routes (#​82858)
• fix: change "noUnknownAtRules" to "warn" for Biome (#​82974)
• fix: add path normalization to getRelativePath for Windows (#​82918)
• feat: add typesafety with config.typedRoutes to redirect() and permanentRedirect() (#​82860)
• fix: avoid importing types that will be unused (#​82856)
• fix: update the config.api.responseLimit type (#​82852)
• fix: update validation return types (#​82854)

Credits

Huge thanks to @​bgub, @​mischnic, and @​ztanner for helping!

v15.5.0

Compare Source

Core Changes

• Use and enforce exhaustive switch statements for work unit store: #​81577
• Enable @typescript-eslint/switch-exhaustiveness-check rule: #​81583
• [dynamicIO] use RSC dynamicness to control partial vs complete PPR result: #​81627
• [dynamicIO] Do not use React.unstable_postpone(): #​81652
• feat: new detachable panel UI: #​81483
• Turbopack: content-hash PageLoaderAsset: #​81450
• [segment explorer] fix content overflow styling: #​81649
• Improve reliability of owner stacks for async I/O errors: #​81501
• fix(router): Prevent redirect loop on root data requests with basePath: #​81096
• Ensure custom NextServer config is honored: #​81681
• Fix before interactive incorrectly render css: #​81146
• perf: memorize exclude function in webpack config: #​81525
• Also enforce experimental features when there's no next config file: #​81679
• feat(next/image): warn when images.qualities is undefined: #​81690
• feat(build): optimize filterUniqueParamsCombinations to generate sub-combinations: #​81321
• Update NextAdapter type and re-export: #​81692
• upgrade to path-to-regexp@​6.3.0: #​80123
• [metadata] replace for initial body icon case: #​81688
• [segment explorer] remove dev panel ui flag: #​81670
• Simplify running test apps locally with ppr or dynamicIO enabled: #​81668
• [turbopack] Return cached Promise from __turbopack_load_by_url__ : #​81663
• Upgrade React from 97cdd5d3-20250710 to 2f0e7e57-20250715: #​81678
• Delete unused renderToString function: #​81707
• Discard prerendered route handler data from FS cache after revalidation: #​81611
• Upgrade React from 2f0e7e57-20250715 to d85ec5f5-20250716: #​81708
• Ignore pending revalidations during prerendering: #​81621
• [turbopack] Clear chunk cache on HMR instead of creating new next-server VM: #​81664
• fix: rootParams should throw in client when fallbackParams are not present: #​81711
• perf(build): optimize buildAppStaticPaths performance and add helper function: #​81386
• Turbopack: Support string without options for @​next/mdx: #​81713
• [Segment Cache] Support dynamic head prefetching: #​81677
• [sourcemaps] Consistent cursor columns: #​81375
• fix: revert client segment route changes for sub shell generation: #​81731
• fix: pages router metadata bugs with React 19: #​81733
• Improve error handling for headers/cookies/draftMode in 'use cache': #​81716
• [devtool] fix duplicate rendered indicator on server: #​81729
• [devtool] enable segment explorer by default: #​81737
• [turbopack] Stop exposing globals from Turbopack runtime: #​81727
• Remove unnecessary await: #​81761
• [chore] bump zod to latest v3: #​81757
• feat(turbopack): Log anonymized internal error (panic) information to telemetry: #​81272
• fix: revert client segment route changes for sub shell generation: #​81740
• bugfix: static resources staleTime should be renewed once refetched: #​81771
• [devtool] move font styling to global.css: #​81782
• [devtool] copy decoded info of error details: #​81735
• fix(build): add sourcePage context for PPR dynamic route lambda creation: #​81781
• refactor: rename experimental.dynamicIO to experimental.cacheComponents: #​81562
• Properly handle hanging promise rejections during prerendering: #​81754
• Upgrade React from d85ec5f5-20250716 to dffacc7b-20250717: #​81767
• Refactor: Get rid of overly generic getExpectedRequestStore function: #​81791
• [devtool] migrate css reset to global.css: #​81783
• [dev-tools] Robust shortcut detection: #​81756
• [segment explorer] hide for pages router: #​81813
• [devtool] fix scrollbar styling: #​81814
• fix(ppr): ensure fallback route params trigger dynamic resume: #​81812
• [devtools] restart server pending state: #​80858
• Turbopack: fix dist dir on Windows: #​81758
• fix: remove boundary sentinel from RSC responses: #​81857
• [sourcemaps] Try VM for retrieving source maps first: #​81869
• [devtools] save user config inside .next/cache: #​81807
• Server: Remove unused code: #​81886
• refactor: encapsulate content type within RenderResult: #​81861
• refactor: handle null RenderResult responses gracefully: #​81895
• Upgrade React from dffacc7b-20250717 to e9638c33-20250721: #​81899
• chore(devtools): sync todos to linear: #​81901
• Introduce 'use cache: private': #​81816
• chore(deps): update browserslist: #​81851
• Remove web-server from edge-ssr-app: #​81389
• Stabilize node middleware support: #​81907
• Add run-turbopack-compiler trace span: #​81917
• fix: support calling onClose multiple times in edge-ssr-app: #​81911
• fix: logging the correct process for listened port: #​81903
• Build: Include rewrites in manifest generation: #​81894
• Routing: Clean up some code: #​81932
• [sourcemaps] Ensure codeframe when calling Client Functions from Server: #​81918
• [segment explorer] missing file suggestion: #​81617
• [turbopack] Always print trace labels in headers: #​81728
• Revert "[metadata] use https protocol for schema urls": #​81934
• Upgrade React from e9638c33-20250721 to 7513996f-20250722: #​81940
• Upgrade to swc v33: #​81750
• Remove extra base-server code: #​81944
• Turbopack: flatten sourceInfo to avoid objects, reorder args, compress node.js entry: #​81545
• Fix dynamicParams false layout case in dev: #​81990
• Initial MCP implementation: #​81770
• Fix: Unresolved param in x-nextjs-rewritten-query: #​81991
• Turbopack: Add an option to use system TLS certificates (fixes #​79060, fixes #​79059): #​81818
• Turbopack: Remove unused proxy option in turbo-tasks-fetch, lightly document HTTP_PROXY/HTTPS_PROXY environment variables: #​81905
• Upgrade React from 7513996f-20250722 to edac0dde-20250723: #​81984
• [devtools] Cleanup folder structure: #​82012
• [devtools] Fix "open in editor" for locations in stackframes: #​82013
• [Segment Cache] Fix: Key by rewritten search: #​81986
• Upgrade vercel og and remove yoga type patching: #​81937
• [perf] cache load config results: #​80570
• Turbopack: use prototype for turbopack context for better runtime performance: #​81547
• [reactcompiler] Test with latest RC: #​82002
• [devtools] Fix various exhaustive-deps violations: #​82010
• [devtools] Apply React Compiler to Next.js DevTools source: #​82004
• Upgrade React from edac0dde-20250723 to 3d14fcf0-20250724: #​82020
• Adjusted the warning message to be more descriptive: #​82054
• Track fallback params on workUnitStore: #​82003
• Fix API stripping JSON incorrectly: #​82061
• Upgrade React from 3d14fcf0-20250724 to 19baee81-20250725: #​82063
• use FetchStrategy to control prefetching behavior everywhere: #​82032
• [Segment Cache] set fetchStrategy on segments from a dynamic request: #​82059
• Revert "Upgrade vercel og and remove yoga type patching (#​81937)": #​82066
• Optimize segment data routes: #​82033
• Turbopack: write tasks doesn't need to be session dependent, as effects will restore: #​78727
• [sourcemaps] Fully sourcemap stacks on the Server: #​81904
• fix(Rspack): use loaderContext.utils.contextify to replace ModuleFilenameHelpers.createFilename: #​82104
• next/root-params: #​80255
• fix(next/image): fix image-optimizer.ts headers: #​82114
• Upgrade React from 19baee81-20250725 to eaee5308-20250728: #​82120
• Fix validateRSCRequestHeaders incorrect redirect: #​82119
• fix(next/image): improve and simplify detect-content-type: #​82118
• [CacheComponents] Use fallback params when validating dynamic routes in dev: #​82069
• Extract getDynamicParam to a shared module: #​82137
• Fix i18n fallback: false collision: #​82136
• [segment explorer] normalize path when running inside monorepo: #​82146
• [segment explorer] windows compatibility: #​82147
• Upgrade React from eaee5308-20250728 to 9be531cd-20250729: #​82159
• Ensure setAssetPrefix updates config instance: #​82160
• Revert "Fix tracing of server actions imported by client component

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