3.1.0 - 2019.05.20

• String#matchAll moved to stable ES, exposed Symbol.matchAll, #516
• Promise.allSettled moved to stage 3, #515
• String#replaceAll moved to stage 2, behavior updated by the spec draft, #524
• Promise.any moved to stage 1, #517
• Removed es.regexp.flags dependency from es.regexp.to-string, #536, #537
• Fixed IE8- non-enumerable properties support in Object.{ assign, entries, values }, #541
• Fixed support of primitives in Object.getOwnPropertySymbols in Chrome 38 / 39, #539
• window.postMessage-based task implementation uses location origin over '*', #542
• Lookup PromiseConstructor.resolve only once in Promise combinators, tc39/ecma262#1506
• Temporarily removed core-js dependency from core-js-compat since it's required for missed at this moment feature
• Show a message on postinstall
• Added compat data for Chrome 76, FF 67, Node 12