The document summarizes upcoming features in ECMAScript beyond 2018. It discusses proposals that are in stage 0-3 of the standardization process, including array flat and flatMap, dynamic imports, private fields and methods, and observable objects. It also outlines more experimental proposals in earlier stages, like top level await, pipeline operators, and regular expression improvements like named capture groups and lookbehind assertions. The talk provides examples to demonstrate many of these new language features and how they may be used.