Chromium

• Changed: Treat Document Level Wheel/Mousewheel Event Listeners as Passive

  Status	In development	→	Enabled by default
  Android	(n/a)	→	73
  Desktop	(n/a)	→	73

• Changed: Sec-Metadata

  Status	Proposed	→	Behind a flag
  Flag	False	→	True
  Android	(n/a)	→	72
  Desktop	(n/a)	→	72

• Changed: IntersectionObserver V2

  Status	In development	→	Behind a flag
  Flag	False	→	True

• Changed: Navigator.languages and languagechange event on workers

  Status	In development	→	Enabled by default

• Added: Sec-CH-Lang Client Hint

  Status	No active development

• Added: Sec-CH-UA Client Hints

  Status	No active development

• Added: Locale sensitive BigInt.prototype.toLocaleString and allow Intl.NumberFormat format/formatToParts to take BigInt.

  Status	In development

• Added: WebRTC audio jitter buffer RTX handling

  Status	Origin trial