New features in Edge 154 (released on 2026-09-24)

• Responsive iframes

  Limited availability

  The frame-sizing CSS property sets the size of an <iframe> element to that of it contents, to avoid scrolling in the iframe. Embedded documents allow this with the <meta name="responsive-embedded-sizing"> element and request resizing in the embedding page by calling window.requestResize().

  Learn more

  • Chrome 154 Released on 2026-09-22
  • Chrome Android 154 Released on 2026-09-22
  • Edge 154 Released on 2026-09-24
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported