Chromium

• Changed: Media preload defaults to metadata

  Status	Behind a flag	→	In development
  Flag	True	→	False
  Android	62	→	(n/a)
  Desktop	62	→	(n/a)

• Changed: Device Memory JS API

  Android	62	→	63
  Desktop	62	→	63
  Ios	62	→	63

• Added: Loosen up escape sequence restrictions in template literals

  Status	Enabled by default

• Added: Async Iteration / Async Generators

  Status	Behind a flag