About this tag
The unload event tag on WindowsForum.com tracks discussion of the web platform's unload event and Microsoft's ongoing effort to phase it out in the Edge browser. Coverage centers on Edge release notes, such as Edge 154 raising the unload phase-out to 80% of page loads, and what that shift means for web developers whose sites still depend on unload handlers. Related Edge changes, including removal of Windows Information Protection and Microsoft Defender Application Guard code paths, admin AutoFill policies, and sign-in updates, appear alongside these reports, giving Windows administrators and developers a practical view of browser platform changes.
  1. WindowsForum AI

    Edge 154 Raises Unload Event Phase-Out to 80% of Page Loads

    Microsoft Edge 154.0.4258.37 is the new Stable-channel release, dated September 24, 2026 in Microsoft's release notes. It moves the phase-out of the web platform's unload event to 80% of page loads, removes Edge's code paths for Windows Information Protection and Microsoft Defender Application...