Chromium

• Changed: Deprecate and remove MediaStreamTrack.getSources()

  Status	Enabled by default	→	Removed
  Android	30	→	56
  Desktop	30	→	56
  ShippedMilestone	30	→	56
  ShippedOperaAndroidMilestone	17	→	43
  ShippedOperaMilestone	17	→	43
  ShippedWebViewMilestone	(n/a)	→	56

• Changed: Referrer-Policy header

  Status	Behind a flag	→	Enabled by default
  Desktop	53	→	56
  ShippedMilestone	53	→	56
  ShippedOperaAndroidMilestone	40	→	43
  ShippedOperaMilestone	40	→	43

• Added: RTCDataChannelEvent constructor

  Status	In development

• Added: Ship Navigation Timing 2

  Status	In development

• Added: Throttle the rendering pipeline during page load when there's pending sheets.

  Status	In development