v8.55.0

8.55.0 (2026-02-09)

🚀 Features

• utils: deprecate defaultOptions in favor of meta.defaultOptions (#11992)

🩹 Fixes

• eslint-plugin: [no-unused-vars] remove trailing newline when removing entire import (#11990)
• eslint-plugin: [no-useless-default-assignment] require strictNullChecks (#11966, #12000)
• eslint-plugin: [no-useless-default-assignment] report unnecessary defaults in ternary expressions (#11984)
• eslint-plugin: [no-useless-default-assignment] reduce param index to ts this handling (#11949)
• typescript-estree: forbid invalid modifier in object expression (#11931)

❤️ Thank You

• Christian Rose @chrros95
• fisker Cheung @fisker
• Josh Goldberg
• Maria Solano @MariaSolOs
• Minyeong Kim @minyeong981
• SungHyun627 @SungHyun627
• Yukihiro Hasegawa @y-hsgw

See GitHub Releases for more information.

You can read about our versioning strategy and releases on our website.

v8.54.0

8.54.0 (2026-01-26)

🚀 Features

• eslint-plugin-internal: add prefer-tsutils-methods rule (#11974, #11625)
• scope-manager: support ScopeManager#addGlobals (#11914)
• typescript-estree: add shortcut methods to ParserServicesWithTypeInformation (#11965, #11955)

🩹 Fixes

• eslint-plugin: [no-unused-private-class-members] private destructured class member is defined but used (#11785)
• eslint-plugin: [no-unnecessary-type-assertion] check both base constraint and actual type for non-null assertions (#11967, #11559)
• scope-manager: fix catch clause scopes def.name (#11982)
• scope-manager: prevent misidentification of "use strict" directives (#11995)
• utils: handle missing FlatESLint and LegacyESLint (#11958)

❤️ Thank You

• Brad Zacher @bradzacher
• fnx @DMartens
• Francesco Trotta
• Josh Goldberg
• MinJae @Ju-MINJAE
• Minyeong Kim @minyeong981
• overlookmotel
• Yuya Yoshioka @YuyaYoshioka
• 김현수 @Kimsoo0119

You can read about our versioning strategy and releases on our website.

v8.53.1

8.53.1 (2026-01-19)

🩹 Fixes

• eslint-plugin: [consistent-indexed-object-style] skip fixer if interface is a default export (#11951)
• utils: make RuleCreator root defaultOptions optional (#11956)

❤️ Thank You

• Cameron
• Yukihiro Hasegawa @y-hsgw

You can read about our versioning strategy and releases on our website.

v8.53.0

8.53.0 (2026-01-12)

🚀 Features

• eslint-plugin: [no-unused-vars] add a fixer to remove unused imports (#11922)
• eslint-plugin: add rule [strict-void-return] (#9707)
• project-service: allow passing Partial<ts.server.ServerHost> to project service (#11932)

🩹 Fixes

• eslint-plugin: replace unclear "error typed" with more helpful description (#11704)
• eslint-plugin: [no-useless-default-assignment] fix false positive for parameters corresponding to a rest parameter (#11916)
• typescript-estree: forbid type-only import with both default and named specifiers (#11930)
• typescript-estree: fix syntax check for using declaration (#11910)
• typescript-estree: forbid invalid class implements (#11934)
• typescript-estree: forbid invalid "import equals" declaration (#11936)
• typescript-estree: forbid invalid extends and implements in interface declaration (#11935)

❤️ Thank You

• auvred @auvred
• Brad Zacher @bradzacher
• fisker Cheung @fisker
• Josh Goldberg
• Josh Goldberg ✨
• Kirk Waiblinger
• Niki @phaux
• Nikita
• SungHyun627 @SungHyun627
• Will Harney @wjhsf

You can read about our versioning strategy and releases on our website.

v8.52.0

8.52.0 (2026-01-05)

🚀 Features

• eslint-plugin-internal: [no-multiple-lines-of-errors] add rule (#11899)
• typescript-estree: add tseslint.com redirects for CLI outputs (#11895)

🩹 Fixes

• eslint-plugin: [no-useless-default-assignment] handle conditional initializer (#11908)
• eslint-plugin: [no-base-to-string] detect @@toPrimitive and valueOf (#11901)

❤️ Thank You

• Josh Goldberg ✨
• Ulrich Stark

You can read about our versioning strategy and releases on our website.

v8.51.0

8.51.0 (2025-12-29)

🚀 Features

• eslint-plugin: expose rule name via RuleModule interface (#11719)
• eslint-plugin: [no-useless-default-assignment] fix some cases to optional syntax (#11871)
• eslint-plugin: add namespace to plugin meta (#11885)
• tsconfig-utils: more informative error on parsing failures (#11888)

🩹 Fixes

• eslint-plugin: fix crash and false positives in no-useless-default-assignment (#11845)
• eslint-plugin: remove fixable from no-dynamic-delete rule (#11876)
• eslint-plugin: bump ts-api-utils to 2.2.0 (#11881)
• eslint-plugin: [prefer-optional-chain] handle MemberExpression in final chain position (#11835)

❤️ Thank You

• Josh Goldberg ✨
• Kirk Waiblinger @kirkwaiblinger
• mdm317
• Ulrich Stark
• Yannick Decat @mho22
• Yukihiro Hasegawa @y-hsgw

You can read about our versioning strategy and releases on our website.

v8.50.1

8.50.1 (2025-12-22)

🩹 Fixes

• eslint-plugin: [method-signature-style] ignore methods that return this (#11813)
• eslint-plugin: [no-unnecessary-type-assertion] correct handling of undefined vs. void (#11826)

❤️ Thank You

• Josh Goldberg ✨
• Tamashoo @Tamashoo

You can read about our versioning strategy and releases on our website.

v8.50.0

8.50.0 (2025-12-15)

🚀 Features

• eslint-plugin: [no-useless-default-assignment] add rule (#11720)

❤️ Thank You

• Josh Goldberg ✨
• Ulrich Stark

You can read about our versioning strategy and releases on our website.

v8.49.0

8.49.0 (2025-12-08)

🚀 Features

• eslint-plugin: use Intl.Segmenter instead of graphemer (#11804)

🩹 Fixes

• deps: update dependency prettier to v3.7.2 (#11820)

❤️ Thank You

• Justin McBride
• Kirk Waiblinger @kirkwaiblinger

You can read about our versioning strategy and releases on our website.

v8.48.1

8.48.1 (2025-12-02)

⏪ Reverts

• eslint-plugin: revert "[no-redundant-type-constituents] use assignability checking for redundancy checks (#10744)" (#11812)

🩹 Fixes

• eslint-plugin: [consistent-type-exports] check value flag before resolving alias (#11769)
• eslint-plugin: honor ignored base types on generic classes (#11767)
• eslint-plugin: [restrict-template-expressions] check base types in allow list (#11764, #11759)

❤️ Thank You

• Josh Goldberg
• OleksandraKordonets
• SangheeSon @Higangssh
• tao

You can read about our versioning strategy and releases on our website.