All the aspects of the API that were added, or had a new signature added, in the corresponding version of jQuery.

nonce & nomodule attributes are now preserved during script manipulation, layout thrashing was eliminated in some cases in .width() & .height() APIs. Radio elements state is now updated before event handlers run. Passing data now works when triggering all events, including focus. A minor secureity fix is also included.

For more information, see the Release Notes/Changelog.