v26.1.0

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• Added at least partial support for various SVG elements and their classes:<defs> (SVGDefsElement),<desc> (SVGDescElement),<g> (SVGGElement),<metadata> (SVGMetadataElement),<switch> (SVGSwitchElement), and<symbol> (SVGSymbolElement).
• AddedSVGAnimatedPreserveAspectRatio andSVGAnimatedRect, including support in the reflection layer.
• Added theSVGSVGElementcreateSVGRect() method, and theSVGRect type (which is distinct fromDOMRect.)
• Added indexed property support toHTMLFormElement.
• Updated theSVGElementviewportElement() method to correctly establish the viewport based on ancestor elements.
• Removed the now-bloatedform-data dependency in favor of our own smaller implementation ofmultipart/form-data serialization. No functional changes are expected.
• Various performance improvements, caches, microoptimizations, and deferred object creation.

v26.0.0

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Breaking change:canvas peer dependency requirement has been upgraded from v2 to v3. (sebastianwachter)

Other changes:

• AddedAbortSignal.any(). (jdbevan)
• Added initial support for form-associated custom elements, in particular making them labelable and supporting theElementInternalslabels property. The form-associated callbacks are not yet supported. (hesxenon)
• Updatedwhatwg-url, adding support forURL.parse().
• Updatedcssstyle andrrweb-cssom, to improve CSS parsing capabilities.
• Updatednwsapi, improving CSS selector matching.
• Updatedparse5, fixing a bug around<noframes> elements and HTML entity decoding.
• FixedJSDOM.fromURL() to properly reject the returned promise if the server redirects to an invalid URL, instead of causing an uncaught exception.

v25.0.1

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• Updated dependencies, notablytough-cookie, which no longer prints a deprecation warning.