New features in Edge 152 (released on 2026-08-28)

• Connection allowlists

  Limited availability

  The Connection-Allowlist HTTP response header limits which requests a page may initiate using fetch and other APIs.

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  • Chrome 152 Released on 2026-08-25
  • Chrome Android 152 Released on 2026-08-25
  • Edge 152 Released on 2026-08-28
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported

• Media element pseudo-classes

  Newly Available (since 2026-08-28)

  The :playing, :paused, :seeking, :buffering, :stalled, :muted, and :volume-locked CSS pseudo-classes match <audio> and <video> elements based on their state.

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  • Chrome 152 Released on 2026-08-25
  • Chrome Android 152 Released on 2026-08-25
  • Edge 152 Released on 2026-08-28
  • Firefox 150 Released on 2026-04-21
  • Firefox for Android 150 Released on 2026-04-21
  • Safari 15.4 Released on 2022-03-14
  • Safari on iOS 15.4 Released on 2022-03-14

• Reference target

  Limited availability

  The referenceTarget property of a ShadowRoot object forwards attributes such as for and aria-labelledby to elements inside a shadow DOM. You can use this to, for example, link a <label> to its <input> even if the <input> is in the shadow DOM of a web component.

  Learn more

  • Chrome 152 Released on 2026-08-25
  • Chrome Android 152 Released on 2026-08-25
  • Edge 152 Released on 2026-08-28
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported

• window-drag

  Limited availability

  The window-drag: move CSS declaration sets an element as a window drag handle, like a device's app title bar. You can use this to add click-and-drag areas to an installed progressive web app, often alongside window controls overlay.

  Learn more

  • Chrome 152 Released on 2026-08-25
  • Chrome Android 152 Released on 2026-08-25
  • Edge 152 Released on 2026-08-28
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari Not supported
  • Safari on iOS Not supported