Sourced from jsdom's releases.

Version 21.1.0

• Added x, y, pageX, pageY, offsetX, and offsetY to MouseEvent. (jenseng, ViniciusFXavier)
• Added support for unset with getComputedStyle(). (jsnajdr)
• Added the submitter property to SubmitEvent. (jenseng)
• Fixed MouseEvent's screenX and screenY to no longer coerce to integers, allowing fractional values. (jenseng)
• Fixed formEl.submit() to not longer fire submit events. (jenseng)
• Fixed stylesheets to no longer affect the document after their corresponding <link> is removed. (jsnajdr)
• Fixed pointer-events to inherit when used with getComputedStyle(). (jsnajdr)
• Fixed <script> elements with no src="" to no longer fire load events. (t1ger2080)
• Improved getComputedStyle() to cache its results, which should make it much faster. (jsnajdr)

Version 21.0.0

A potentially-breaking bug fix:

• Fixed the window, document, location, and top properties of Window to be non-configurable. (ExE-Boss)

Other changes:

• Added support for <input type=image> submitting forms. (jenseng)
• Added the location setter to the Window object, which forwards to the location.href setter. Setting the URL is still only implemented for fragment navigations, however. (ExE-Boss)
• Fixed defer="" <script> elements that are added after DOMContentLoaded to execute, instead of being skipped.
• Fixed selectElement.selectedOptions being incorrect when optionElement.selected is set. This was a regression introduced in v20.0.1. Unfortunately this also reverts the performance improvement when appending <option> elements that was introduced then. (eps1lon)
• Fixed the self, locationbar, menubar, personalbar, scrollbars, statusbar, toolbar, frames, parent, external, length, and screen properties of Window to be replaceable: that is, setting them will override their values, instead of having the new value be ignored. (ExE-Boss)
• Fixed a few issues with JSOM.fromURL() in the browser build of jsdom. (LungZeno)

Sourced from jsdom's changelog.

21.1.0

• Added x, y, pageX, pageY, offsetX, and offsetY to MouseEvent. (jenseng, ViniciusFXavier)
• Added support for unset with getComputedStyle(). (jsnajdr)
• Added the submitter property to SubmitEvent. (jenseng)
• Fixed MouseEvent's screenX and screenY to no longer coerce to integers, allowing fractional values. (jenseng)
• Fixed formEl.submit() to not longer fire submit events. (jenseng)
• Fixed stylesheets to no longer affect the document after their corresponding <link> is removed. (jsnajdr)
• Fixed pointer-events to inherit when used with getComputedStyle(). (jnajdr)
• Fixed <script> elements with no src="" to no longer fire load events. (t1ger2080)
• Improved getComputedStyle() to cache its results, which should make it much faster. (jsnajdr)

21.0.0

A potentially-breaking bug fix:

• Fixed the window, document, location, and top properties of Window to be non-configurable. (ExE-Boss)

Other changes:

• Added support for <input type=image> submitting forms. (jenseng)
• Added the location setter to the Window object, which forwards to the location.href setter. Setting the URL is still only implemented for fragment navigations, however. (ExE-Boss)
• Fixed defer="" <script> elements that are added after DOMContentLoaded to execute, instead of being skipped.
• Fixed selectElement.selectedOptions being incorrect when optionElement.selected is set. This was a regression introduced in v20.0.1. Unfortunately this also reverts the performance improvement when appending <option> elements that was introduced then. (eps1lon)
• Fixed the self, locationbar, menubar, personalbar, scrollbars, statusbar, toolbar, frames, parent, external, length, and screen properties of Window to be replaceable: that is, setting them will override their values, instead of having the new value be ignored. (ExE-Boss)
• Fixed a few issues with JSOM.fromURL() in the browser build of jsdom. (LungZeno)

• 8e3a568 Version 21.1.0
• 026ceb5 Do not fire "load" on <script> without src=""
• a5204df Add inheritance for pointer-events to getComputedStyle()
• 709f33a Cache element styles for getComputedStyle()
• 980c6f6 Remove stylesheet from document when <link> is removed
• ecce8bc Don't fire submit event from form.submit()
• 79c351b Add SubmitEvent's submitter
• 8a43fd5 Add support for unset CSS keyword to getComputedStyle()
• eb82a27 Add CSSOM View extensions to MouseEvent
• a7c8545 Version 21.0.0
• Additional commits viewable in compare view

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)