Activity

Sourced from @​typescript-eslint/eslint-plugin's releases.

v8.59.1

8.59.1 (2026-04-27)

🩹 Fixes

• eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#12246)
• eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#12257)
• eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#12269)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#12278)
• eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#12220)
• eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#12241)

❤️ Thank You

• anasm266 @​anasm266
• Anshika Jain @​Anshikakalpana
• Ulrich Stark
• yugo innami @​nami8824

See GitHub Releases for more information.

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

Sourced from @​typescript-eslint/eslint-plugin's changelog.

8.59.1 (2026-04-27)

🩹 Fixes

• eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#12241)
• eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#12220)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#12278)
• eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#12269)
• eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#12257)
• eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#12246)

❤️ Thank You

• anasm266 @​anasm266
• Anshika Jain @​Anshikakalpana
• Ulrich Stark
• yugo innami @​nami8824

See GitHub Releases for more information.

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

• 5245793 chore(release): publish 8.59.1
• 3cef124 chore(eslint-plugin): switch auto-generated test cases to hand-written in dot...
• 27c507b test: make sort-type-constituents tests fully static (#12262)
• a03b31d chore(eslint-plugin): switch auto-generated test cases to hand-written in no-...
• a7099a7 chore(eslint-plugin): switch auto-generated test cases to hand-written in no-...
• bfbd4a5 chore(eslint-plugin): switch auto-generated test cases to hand-written in no-...
• b49d4b1 chore(eslint-plugin): switch auto-generated test cases to hand-written in no-...
• 3097e72 chore(eslint-plugin): switch auto-generated test cases to hand-written in nam...
• 676191b chore(eslint-plugin): switch auto-generated test cases to hand-written in mem...
• e9dce8b fix(eslint-plugin): [no-unnecessary-condition] treat void as nullish in no-un...
• Additional commits viewable in compare view

Sourced from @​typescript-eslint/parser's releases.

v8.59.1

8.59.1 (2026-04-27)

🩹 Fixes

• eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#12246)
• eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#12257)
• eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#12269)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#12278)
• eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#12220)
• eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#12241)

❤️ Thank You

• anasm266 @​anasm266
• Anshika Jain @​Anshikakalpana
• Ulrich Stark
• yugo innami @​nami8824

See GitHub Releases for more information.

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

Sourced from @​typescript-eslint/parser's changelog.

8.59.1 (2026-04-27)

This was a version bump only for parser 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.

• 5245793 chore(release): publish 8.59.1
• See full diff in compare view

Sourced from typescript-eslint's releases.

v8.59.1

8.59.1 (2026-04-27)

🩹 Fixes

• eslint-plugin: [no-unnecessary-type-assertion] fix crash "TypeError: checker.getTypeArguments is not a function" (#12246)
• eslint-plugin: [no-unnecessary-type-assertion] preserve index signatures in undefined unions (#12257)
• eslint-plugin: [no-unnecessary-type-assertion] preserve phantom type arguments in generic inference (#12269)
• eslint-plugin: [no-unnecessary-type-assertion] avoid false positive in logical assignment assertions (#12278)
• eslint-plugin: [no-unnecessary-type-arguments] handle instantiation expressions (#12220)
• eslint-plugin: [no-unnecessary-condition] treat void as nullish in no-unnecessary-condition (#12241)

❤️ Thank You

• anasm266 @​anasm266
• Anshika Jain @​Anshikakalpana
• Ulrich Stark
• yugo innami @​nami8824

See GitHub Releases for more information.

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

Sourced from typescript-eslint's changelog.

8.59.1 (2026-04-27)

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.

• 5245793 chore(release): publish 8.59.1
• See full diff in compare view

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