JQUERY 4.0.0 BETA!

Summary from the TLDR newsletter

The jQuery 4.0.0 beta features bug fixes, performance improvements, and some breaking changes, like the removal of support for IE<11. Other breaking changes include the removal of previously deprecated APIs, internal-only parameters to public functions, and support for some magic behaviors that were overly complicated. A comprehensive upgrade guide will be published before the final release. This article covers some of the highlights of the jQuery 4.0.0 beta.