Chromium

• Changed: MediaStreamTrack resizeMode constraint

  Status	In development	→	Enabled by default
  Android	(n/a)	→	72
  Desktop	(n/a)	→	72

• Changed: stale-while-revalidate

  Status	No active development	→	Origin trial
  Android	(n/a)	→	69
  Desktop	(n/a)	→	69

• Added: Spec compliant serialization for ‘animation’ shorthand property

  Status	Enabled by default

• Removed: history.index