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chore(deps): update testing (major)#213

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chore(deps): update testing (major)#213
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renovate/major-testing

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@renovate renovate Bot commented Feb 5, 2026

This PR contains the following updates:

Package Change Age Confidence
@types/jsdom (source) 27.0.028.0.1 age confidence
jsdom 27.4.029.0.2 age confidence

Release Notes

jsdom/jsdom (jsdom)

v29.0.2

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  • Significantly improved and sped up getComputedStyle(). Computed value rules are now applied across a broader set of properties, and include fixes related to inheritance, defaulting keywords, custom properties, and color-related values such as currentcolor and system colors. (@​asamuzaK)
  • Fixed CSS 'background' and 'border' shorthand parsing. (@​asamuzaK)

v29.0.1

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v29.0.0

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Breaking changes:

  • Node.js v22.13.0+ is now the minimum supported v22 version (was v22.12.0+).

Other changes:

  • Overhauled the CSSOM implementation, replacing the @acemir/cssom and cssstyle dependencies with fresh internal implementations built on webidl2js wrappers and the css-tree parser. Serialization, parsing, and API behavior is improved in various ways, especially around edge cases.
  • Added CSSCounterStyleRule and CSSNamespaceRule to jsdom Windows.
  • Added cssMediaRule.matches and cssSupportsRule.matches getters.
  • Added proper media query parsing in MediaList, using css-tree instead of naive comma-splitting. Invalid queries become "not all" per spec.
  • Added cssKeyframeRule.keyText getter/setter validation.
  • Added cssStyleRule.selectorText setter validation: invalid selectors are now rejected.
  • Added styleSheet.ownerNode, styleSheet.href, and styleSheet.title.
  • Added bad port blocking per the fetch specification, preventing fetches to commonly-abused ports.
  • Improved Document initialization performance by lazily initializing the CSS selector engine, avoiding ~0.5 ms of overhead per Document. (thypon)
  • Fixed a memory leak when stylesheets were removed from the document.
  • Fixed CSSStyleDeclaration modifications to properly trigger custom element reactions.
  • Fixed nested @media rule parsing.
  • Fixed CSSStyleSheet's "disallow modification" flag not being checked in all mutation methods.
  • Fixed XMLHttpRequest's response getter returning parsed JSON during the LOADING state instead of null.
  • Fixed getComputedStyle() crashing in XHTML documents when stylesheets contained at-rules such as @page or @font-face.
  • Fixed a potential hang in synchronous XMLHttpRequest caused by a race condition with the worker thread's idle timeout.

v28.1.0

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  • Added blob.text(), blob.arrayBuffer(), and blob.bytes() methods.
  • Improved getComputedStyle() to account for CSS specificity when multiple rules apply. (asamuzaK)
  • Improved synchronous XMLHttpRequest performance by using a persistent worker thread, avoiding ~400ms of setup overhead on every synchronous request after the first one.
  • Improved performance of node.getRootNode(), node.isConnected, and event.dispatchEvent() by caching the root node of document-connected trees.
  • Fixed getComputedStyle() to correctly handle !important priority. (asamuzaK)
  • Fixed document.getElementById() to return the first element in tree order when multiple elements share the same ID.
  • Fixed <svg> elements to no longer incorrectly proxy event handlers to the Window.
  • Fixed FileReader event timing and fileReader.result state to more closely follow the spec.
  • Fixed a potential hang when synchronous XMLHttpRequest encountered dispatch errors.
  • Fixed compatibility with environments where Node.js's built-in fetch() has been used before importing jsdom, by working around undici v6/v7 incompatibilities.

v28.0.0

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  • Overhauled resource loading customization. See the new README for details on the new API.
  • Added MIME type sniffing to <iframe> and <frame> loads.
  • Regression: WebSockets are no longer correctly throttled to one connection per origin. This is a result of the bug at nodejs/undici#4743.
  • Fixed decoding of the query components of <a> and <area> elements in non-UTF-8 documents.
  • Fixed XMLHttpRequest fetches and WebSocket upgrade requests to be interceptable by the new customizable resource loading. (Except synchronous XMLHttpRequests.)
  • Fixed the referrer of a document to be set correctly when redirects are involved; it is now the initiating page, not the last hop in the redirect chain.
  • Fixed correctness bugs when passing ArrayBuffers or typed arrays to various APIs, where they would not correctly snapshot the data.
  • Fixed require("url").parse() deprecation warning when using WebSockets.
  • Fixed <iframe>, <frame>, and <img> (when canvas is installed) to fire load events, not error events, on non-OK HTTP responses.
  • Fixed many small issues in XMLHttpRequest.

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot force-pushed the renovate/major-testing branch 4 times, most recently from eacae48 to 479a45f Compare February 15, 2026 05:14
@renovate renovate Bot force-pushed the renovate/major-testing branch 13 times, most recently from bc375bd to 2ff2f63 Compare February 23, 2026 19:49
@renovate renovate Bot added the typescript label Feb 23, 2026
@renovate renovate Bot changed the title chore(deps): update dependency jsdom to v28 chore(deps): update testing to v28 (major) Feb 23, 2026
@renovate renovate Bot force-pushed the renovate/major-testing branch from 2ff2f63 to 8ecd16e Compare February 28, 2026 08:09
@renovate renovate Bot force-pushed the renovate/major-testing branch 11 times, most recently from 03069f4 to 0a18297 Compare March 13, 2026 11:14
@renovate renovate Bot changed the title chore(deps): update testing to v28 (major) chore(deps): update testing (major) Mar 15, 2026
@renovate renovate Bot force-pushed the renovate/major-testing branch 7 times, most recently from b9dd92e to c864007 Compare March 20, 2026 04:53
@renovate renovate Bot force-pushed the renovate/major-testing branch 8 times, most recently from 7fc1beb to 7d0e5cb Compare March 25, 2026 11:22
@renovate renovate Bot force-pushed the renovate/major-testing branch 2 times, most recently from 64c2c5d to 3577b8c Compare March 31, 2026 23:43
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