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This PR contains the following updates:

npm

Package Change Age Adoption Passing Confidence
jsdom (source) 25.0.1 -> 27.2.0 age adoption passing confidence

Release Notes

jsdom/jsdom (jsdom)

25.0.1 -> 27.2.0

27.2.0

Compare Source

  • Added CSSGroupingRule, CSSNestedDeclarations, CSSConditionRule, CSSContainerRule, CSSScopeRule, CSSSupportsRule, CSSLayerBlockRule, and CSSLayerStatementRule to jsdom Windows. (acemir)
  • Improved CSS parsing and CSSOM object APIs via updates to @acemir/cssom. (acemir)
  • Fixed @import-ed stylesheets to be properly exposed to CSSOM, and not to overwrite the sheet created from the <link> or <style> element. (acemir)

Released by domenic on 11/12/2025

27.1.0

Compare Source

  • Improved CSS parsing by switching to @acemir/cssom, including support for nested selectors, nested declarations, layer statements, and improved at-rule validation. (acemir)
  • Fixed some selector cache invalidation issues where changes to attributes were not being picked up. (asamuzaK)
  • Fixed package.json "engines" field to reflect the new minimum Node.js versions needed to run jsdom, as noted in the changelog for v27.0.1.

Released by domenic on 10/31/2025

27.0.1

Compare Source

This release inadvertently raised the minimum Node.js version from v20.0.0 to v20.19.0+, v22.12.0+, v24.0.0+. (This happened via a dependency update.) This probably should have been a breaking (major) change, instead of happening in a patch version, since it prevents using earlier Node.js versions.

After further testing, we found that most of our development dependencies also require these versions, and so it's not feasible for the jsdom project to support earlier Node.js versions. (For example, our testing frameworks will not run on them.) If you need to use such earlier versions, or otherwise are working in an environment which gives related errors such as ERR_REQUIRE_ESM, then please stick with the v26.1.0 release of jsdom. (Noting, of course, that such versions are unsupported, and we will not respond to bug reports opened against them.)

Subsequent jsdom releases will explicitly require these minimum Node.js versions, and will have CI testing to ensure that the minimum vers...

[View full release notes]

Released by domenic on 10/18/2025


📊 Package Statistics

  • jsdom: 39,455,503 weekly downloads

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Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


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This PR was generated by Buddy 🤖

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netlify bot commented Nov 26, 2025

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@chrisbbreuer
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🤖 Auto-closing obsolete PR

This PR was automatically closed because the dependency files it references are no longer present in the project.

Removed files:

  • [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/jsdom/27.2.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)

If this was closed in error, please reopen the PR and update the dependency files accordingly.

@chrisbbreuer chrisbbreuer deleted the buddy-bot/update-major-update---jsdom-1764187643997 branch November 26, 2025 20:07
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