MDN polyfills - from, forEach, filter, find, findIndex, assign, includes, create, entries, of, repeat, startsWith, endsWith, toggleAttribute, bind, MouseEvent, CustomEvent, padEnd, padStart
Two new polyfills:
Node.prototype.prepend Node.prototype.before Node.prototype.after Node.prototype.remove Node.prototype.replaceWith
Element.prototype.closest was updated to the newest MDN version.