v8.66.0

8.66.0 (2026-08-03)

🚀 Features

• typescript-estree: handle import.defer() as ImportExpression (#12609)

🩹 Fixes

• eslint-plugin: [no-unnecessary-type-conversion] ignore shadowed built-ins (#12590)
• eslint-plugin: [prefer-nullish-coalescing] handle shadowed Boolean calls (#12591)
• eslint-plugin: [no-useless-default-assignment] don't report defaults used by other overloads (#12607)
• eslint-plugin: [no-unnecessary-type-parameters] check MappedType key remapping (#12588)
• eslint-plugin: [class-literal-property-style] preserve type annotations and don't drop decorators (#12617)
• website: list onUnsupportedTypeScriptVersion in parser options (#12585)

❤️ Thank You

• Evyatar Daud @StyleShit
• Kirk Waiblinger @kirkwaiblinger
• Steffen Schroeder
• 송재욱

See GitHub Releases for more information.

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

v8.65.0

8.65.0 (2026-07-20)

🚀 Features

• add warning when TS 7 is detected (#12529)
• eslint-plugin: [no-restricted-imports] deprecate extension rule (#12527, #19562, #11889)
• eslint-plugin: [no-shadow] specialized error on enum declaration and member shadowing (#12578)
• parser: add onUnsupportedTypeScriptVersion option to error on unsupported TypeScript versions (#12465)
• typescript-estree: throw for invalid import defer syntax (#12552)

🩹 Fixes

• eslint-plugin: [prefer-string-starts-ends-with] handle escaped $ ending regex literals (#12515)
• eslint-plugin: [unbound-method] report unbound methods accessed via member expression on union types (#12448)
• eslint-plugin: [no-unnecessary-parameter-property-assignment] don't flag computed assignments with a variable key (#12568)

❤️ Thank You

• Evyatar Daud @StyleShit
• Josh Goldberg ✨
• Kirk Waiblinger @kirkwaiblinger
• Serhii Leniv @Serhii-Leniv
• 송재욱

See GitHub Releases for more information.

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

v8.64.0

8.64.0 (2026-07-13)

🚀 Features

• support parsing import defer (#12513)
• eslint-plugin: [no-loop-func] support using / await using declarations and deprecate the rule (#12500)
• typescript-estree: throw for invalid definite assignment in class properties (#12543)

🩹 Fixes

• eslint-plugin: [require-array-sort-compare] handle constrained arrays (#12512)

❤️ Thank You

• Evyatar Daud @StyleShit
• 송재욱

See GitHub Releases for more information.

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

v8.63.0

8.63.0 (2026-07-06)

🚀 Features

• eslint-plugin: [no-misused-promises] detect async usage of a sync dispose usage (#12426)

🩹 Fixes

• eslint-plugin: [method-signature-style] suggest converting readonly function properties instead of emitting invalid syntax (#12447, #12446)
• eslint-plugin: [no-unnecessary-type-assertion] handle optional-chained calls to overloaded functions (#12491, #12485)
• eslint-plugin: [no-base-to-string] don't flag a shadowed String() call (#12492)
• scope-manager: export ClassStaticBlockScope (#12460)

❤️ Thank You

• Evyatar Daud @StyleShit
• Kristjan @KristjanTammekivi
• Michael Naumov @mnaoumov
• Serhii Leniv @Serhii-Leniv
• 송재욱

See GitHub Releases for more information.

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

v8.62.1

8.62.1 (2026-06-29)

🩹 Fixes

• eslint-plugin: [prefer-optional-chain] use suggestion instead of autofix for trailing binary operator (#12328)
• eslint-plugin: [no-unnecessary-boolean-literal-compare] preserve boolean result in fixer for nullable true comparisons (#12365)
• eslint-plugin: [no-unnecessary-type-assertion] parenthesize object literal at left edge of expression statement (#12443, #12418)

❤️ Thank You

• Kirk Waiblinger @kirkwaiblinger
• mdm317
• Patrick Aleite
• 송재욱

See GitHub Releases for more information.

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

v8.62.0

8.62.0 (2026-06-22)

🚀 Features

• remove redundant package.json "files" (#12444)

🩹 Fixes

• add "files" to rule-schema-to-typescript-types (#12441)

❤️ Thank You

• Kirk Waiblinger @kirkwaiblinger

See GitHub Releases for more information.

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

v8.61.1

8.61.1 (2026-06-15)

🩹 Fixes

• eslint-plugin: [consistent-indexed-object-style] do not remove comments when fixing (#12396, #10577)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive for template literal expressions (#12281)
• eslint-plugin: [no-unnecessary-type-assertion] wrap object literal in parens when removing TSTypeAssertion in arrow body (#12394, #12393)
• eslint-plugin: [no-unnecessary-boolean-literal-compare] fix precedence bug in autofix (#12413)
• eslint-plugin: [no-unnecessary-template-expression] respect ECMAScript line terminators (#12388)

❤️ Thank You

• Anas @anasm266
• Deftera @Deftera186
• Kirk Waiblinger @kirkwaiblinger
• lumir
• Sarath Francis @sarathfrancis90

See GitHub Releases for more information.

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

v8.61.0

8.61.0 (2026-06-08)

🚀 Features

• ast-spec: change type of UnaryExpression.prefix to always true (#12372)
• ast-spec: tighten types of ArrowFunction, YieldExpression, TSTypePredicate (#12373)

🩹 Fixes

• rule-schema-to-typescript-types: respect ECMAScript line terminators (#12374)

❤️ Thank You

• Kirk Waiblinger @kirkwaiblinger
• lumir

See GitHub Releases for more information.

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

v8.60.1

8.60.1 (2026-06-01)

🩹 Fixes

• eslint-plugin: respect ECMAScript line terminators in ts-comment rules (#12352)
• eslint-plugin: [no-shadow] correct rule to match ESLint v10 handling (#12182)

❤️ Thank You

• lumir
• Nevette Bailey @nevette-bailey

See GitHub Releases for more information.

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

v8.60.0

8.60.0 (2026-05-25)

🚀 Features

• rule-tester: added updates of RuleTester from upstream (#12291)

🩹 Fixes

• playground TS version selector is not working (#12326, #12325)

❤️ Thank You

• Evyatar Daud @StyleShit
• Vinccool96

See GitHub Releases for more information.

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