Aspects of the API that were changed in the corresponding version of jQuery. Security fixes, including a breaking change to jQuery.htmlPrefilter; new .even() & .odd() methods; jQuery.globalEval now accepts context; unsuccessful HTTP script responses are no longer evaluated; performance improvements. jQuery.trim is now deprecated. A jQuery Migrate Plugin was offered to help developers with a transitional upgrade path.

For more information, see the jQuery Core 3.5 Upgrade guide and the Release Notes/Changelog.