Bumps typescript-eslint from 8.64.0 to 8.66.0.

Sourced from typescript-eslint's releases.

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

... (truncated)

Sourced from typescript-eslint's changelog.

8.66.0 (2026-08-03)

This was a version bump only for typescript-eslint to align it with other projects, there were no code changes.

See GitHub Releases for more information.

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

8.65.0 (2026-07-20)

🚀 Features

• add warning when TS 7 is detected (#12529)

❤️ Thank You

• Josh Goldberg ✨
• Kirk Waiblinger @​kirkwaiblinger

See GitHub Releases for more information.

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

• e51b11b chore(release): publish 8.66.0
• 63ba81b chore(release): publish 8.65.0
• eaf4576 feat: add warning when TS 7 is detected (#12529)
• 0d06406 chore: add attw validation to repo (#12437)
• c2386e4 chore(deps): update dependency prettier to v3.9.5 (#12486)
• See full diff in compare view