| datasource | package                          | from   | to     |
| ---------- | -------------------------------- | ------ | ------ |
| npm        | @typescript-eslint/eslint-plugin | 8.56.0 | 8.58.0 |
| npm        | @typescript-eslint/parser        | 8.56.0 | 8.58.0 |


## [v8.58.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8580-2026-03-30)

##### 🚀 Features

- support TypeScript 6 ([#12124](typescript-eslint/typescript-eslint#12124))

##### 🩹 Fixes

- **eslint-plugin:** \[prefer-regexp-exec] avoid fixing unknown RegExp flags ([#12161](typescript-eslint/typescript-eslint#12161))
- **eslint-plugin:** \[no-extraneous-class] handle index signatures ([#12142](typescript-eslint/typescript-eslint#12142))
- **eslint-plugin:** crash in `no-unnecessary-type-arguments` ([#12163](typescript-eslint/typescript-eslint#12163))

##### ❤️ Thank You

- ej shafran [@ej-shafran](https://github.com/ej-shafran)
- Evyatar Daud [@StyleShit](https://github.com/StyleShit)
- GG ZIBLAKING
- milkboy2564 [@SeolJaeHyeok](https://github.com/SeolJaeHyeok)
- teee32 [@teee32](https://github.com/teee32)

See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.58.0) for more information.

You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.


## [v8.57.2](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8572-2026-03-23)

##### 🩹 Fixes

- **eslint-plugin:** \[prefer-readonly-parameter-types] preserve type alias infomation ([#11954](typescript-eslint/typescript-eslint#11954))
- **eslint-plugin:** \[no-useless-default-assignment] skip reporting false positives for unresolved type parameters ([#12127](typescript-eslint/typescript-eslint#12127))
- **eslint-plugin:** \[no-unsafe-return] false positive on unwrapping generic ([#12125](typescript-eslint/typescript-eslint#12125))
- **eslint-plugin:** \[no-restricted-types] flag banned generics in extends or implements ([#12120](typescript-eslint/typescript-eslint#12120))
- **eslint-plugin:** \[array-type] ignore Array and ReadonlyArray without type arguments ([#11971](typescript-eslint/typescript-eslint#11971))
- **eslint-plugin:** \[prefer-optional-chain] remove dangling closing parenthesis ([#11865](typescript-eslint/typescript-eslint#11865))

##### ❤️ Thank You

- Kirk Waiblinger [@kirkwaiblinger](https://github.com/kirkwaiblinger)
- Konv Suu
- mdm317
- Newton Yuan [@NewtonYuan](https://github.com/NewtonYuan)
- SungHyun627 [@SungHyun627](https://github.com/SungHyun627)
- Tamashoo [@Tamashoo](https://github.com/Tamashoo)

See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.2) for more information.

You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.


## [v8.57.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8571-2026-03-16)

##### 🩹 Fixes

- **eslint-plugin:** \[prefer-optional-chain] no report for property on intersection type ([#12126](typescript-eslint/typescript-eslint#12126))

##### ❤️ Thank You

- Newton Yuan [@NewtonYuan](https://github.com/NewtonYuan)

See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.1) for more information.

You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.


## [v8.57.0](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8570-2026-03-09)

##### 🚀 Features

- **eslint-plugin:** \[no-unnecessary-condition] allow literal loop conditions in for/do loops ([#12080](typescript-eslint/typescript-eslint#12080))

##### 🩹 Fixes

- **eslint-plugin:** \[no-base-to-string] fix false positive for toString with overloads ([#12089](typescript-eslint/typescript-eslint#12089))
- **eslint-plugin:** \[prefer-promise-reject-errors] add allow `TypeOrValueSpecifier` to prefer-promise-reject-errors ([#12094](typescript-eslint/typescript-eslint#12094))
- **typescript-estree:** if the template literal is tagged and the text has an invalid escape, `cooked` will be `null` ([#11355](typescript-eslint/typescript-eslint#11355))
- **eslint-plugin:** guard against negative paramIndex in no-useless-default-assignment ([#12077](typescript-eslint/typescript-eslint#12077))
- **eslint-plugin:** handle statically analyzable computed keys in prefer-readonly ([#12079](typescript-eslint/typescript-eslint#12079))
- **eslint-plugin:** \[strict-void-return] false positives with overloads ([#12055](typescript-eslint/typescript-eslint#12055))

##### ❤️ Thank You

- Brad Zacher [@bradzacher](https://github.com/bradzacher)
- Brian Schlenker [@bschlenk](https://github.com/bschlenk)
- Evyatar Daud [@StyleShit](https://github.com/StyleShit)
- James Henry [@JamesHenry](https://github.com/JamesHenry)
- Josh Goldberg
- Kirk Waiblinger [@kirkwaiblinger](https://github.com/kirkwaiblinger)
- Moses Odutusin [@thebolarin](https://github.com/thebolarin)
- Newton Yuan [@NewtonYuan](https://github.com/NewtonYuan)
- SungHyun627 [@SungHyun627](https://github.com/SungHyun627)
- Younsang Na [@nayounsang](https://github.com/nayounsang)

See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.57.0) for more information.

You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.


## [v8.56.1](https://github.com/typescript-eslint/typescript-eslint/blob/HEAD/packages/eslint-plugin/CHANGELOG.md#8561-2026-02-23)

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

See [GitHub Releases](https://github.com/typescript-eslint/typescript-eslint/releases/tag/v8.56.1) for more information.

You can read about our [versioning strategy](https://typescript-eslint.io/users/versioning) and [releases](https://typescript-eslint.io/users/releases) on our website.