Update development dependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@typescript-eslint/eslint-plugin (source)	8.70.0 → 8.71.0
@typescript-eslint/parser (source)	8.70.0 → 8.71.0
prettier (source)	3.9.8 → 3.9.9
typescript-eslint (source)	8.70.0 → 8.71.0

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Release Notes

typescript-eslint/typescript-eslint (@​typescript-eslint/eslint-plugin)

v8.71.0

Compare Source

🚀 Features

• eslint-plugin: [no-unsafe-enum-assignment] add rule (#​12732)

🩹 Fixes

• eslint-plugin: [no-misused-promises] handle a return outside of any function (#​12912)
• eslint-plugin: [no-unnecessary-type-assertion] specialize generic assertion report message (#​12832)
• eslint-plugin: [unbound-method] respect this: void on class properties (7fce9127d)
• eslint-plugin: [switch-exhaustiveness-check] always sort literal cases in stable order (#​12885)

❤️ Thank You

• Evyatar Daud @​StyleShit
• Fatih Çakır @​wfatih
• Josh Goldberg
• Josh Goldberg ✨
• Zamiell @​Zamiell

See GitHub Releases for more information.

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

v8.70.1

Compare Source

🩹 Fixes

• eslint-plugin: [no-misused-promises] handle multiple Promise constituents (#​12904)
• eslint-plugin: [no-useless-default-assignment] convert the fixer to a suggestion fixer (#​12826)
• eslint-plugin: [no-unnecessary-condition] handle union-keyed index access on the left-hand side of nullish assignment (#​12747)
• eslint-plugin: [unbound-method] treat Intl.Collator.prototype.compare as spec-bound (#​12845)
• eslint-plugin: [no-unnecessary-parameter-property-assignment] account for parameter reassignment (#​12880)
• eslint-plugin: [await-thenable] prevent autofix from breaking code when removing await (#​12716)
• eslint-plugin: [no-meaningless-void-operator] allow void on assignment expressions (#​12873)
• eslint-plugin: [no-unnecessary-type-assertion] false positive for empty object asserted to a type alias of Record (#​12869)
• eslint-plugin: [no-misused-spread] omit WeakMap spread suggestions (#​12850)
• eslint-plugin: [no-generated-empty-object-type] don't report a mapped type whose keys are not resolved yet (#​12854)
• eslint-plugin: [no-explicit-any] use unknown[] for bare any rest parameters (#​12818)
• eslint-plugin: [no-unnecessary-type-parameters] handle type precedence in the suggestion fixer (#​12637)
• eslint-plugin: [no-useless-default-assignment] avoid false positives on tuples with a rest element (#​12768)

❤️ Thank You

• Brad Zacher @​bradzacher
• Diptajoy Mistry @​diptomistry
• Grit @​Grit03
• Hugo @​hugop95
• Michael Naumov @​mnaoumov
• Mikhail Baev @​baevm
• Om Rawat
• Sanath @​sansynx
• Shinji
• Vinccool96
• 김채영 @​cchaeyoung
• 송재욱

See GitHub Releases for more information.

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

typescript-eslint/typescript-eslint (@​typescript-eslint/parser)

v8.71.0

Compare Source

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.

v8.70.1

Compare Source

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.

prettier/prettier (prettier)

v3.9.9

Compare Source

diff

Markdown: Fix text with $ been incorrectly parsed as math syntax (#​20140 by @​fisker)

<!-- Input -->
**Uses $FOO** from `a.sh` and `b.sh`, plus `$BAR` from `c.sh`, before anything else runs here.

<!-- Prettier 3.9.8 -->
**Uses $FOO** from `a.sh` and `b.sh`, plus `$BAR`from`c.sh`, before anything else runs here.

<!-- Prettier 3.9.9 -->
**Uses $FOO** from `a.sh` and `b.sh`, plus `$BAR` from `c.sh`, before anything else runs here.

typescript-eslint/typescript-eslint (typescript-eslint)

v8.71.0

Compare Source

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.

v8.70.1

Compare Source

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.

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[mergify]

Merge Queue Status

• ✅ Entered queue — 2026-10-02 18:55 UTC · Rule: dependency-updates · triggered by merge protections
• ✅ Checks passed · on draft merge queue: checking #38 + #39 together on main (20fba6f) #40
• ✅ Merged — 2026-10-02 19:10 UTC · at 6a60f81d413ad32af6c1abc8269140c10d613567 · merge-batch via merge queue: checking #38 + #39 together on main (20fba6f) #40

This pull request spent 14 minutes 24 seconds in the queue, including 1 minute 50 seconds running CI.

Required conditions to merge

• #approved-reviews-by >= 1
  • Update development dependencies #38
  • Lockfile maintenance #39
• github-review-approved [🛡 GitHub repository ruleset rule main]
  • Update development dependencies #38
  • Lockfile maintenance #39
• any of [🛡 GitHub repository ruleset rule main]:
  • check-success = @github-actions/Test
  • check-neutral = @github-actions/Test
  • check-skipped = @github-actions/Test