Chromium

• Changed: New VP9 codec string and Profile 2 support

  Status	In development	→	Enabled by default
  Android	(n/a)	→	60
  Desktop	(n/a)	→	60

• Changed: Media preload over cellular connections

  Status	In development	→	Enabled by default
  Android	(n/a)	→	56

• Changed: Media Source EventHandler attributes

  Status	In development	→	Enabled by default
  Android	(n/a)	→	53
  Desktop	(n/a)	→	53

• Added: Delayed Dispatch of PerformanceEntries

  Status	In development

• Added: X-Content-Type-Options: nosniff

  Status	In development