Runtime 153.0.4234.32 (Sep. 11, 2026)

Release notes for Microsoft Edge WebView2 Runtime, release date: Sep. 11, 2026.

In addition to the following WebView2 Runtime improvements, you can also use the new web platform features from Microsoft Edge 153; see Microsoft Edge 153 web platform release notes (Sep. 10, 2026).

Bug fixes

• Fixed an issue that could cause WebView2 applications to crash during startup.

• Fixed a cross-origin redirect failure when WebResourceRequested (WRR) was attached.

• Fixed downloads so they're submitted for antivirus scanning under the host app's identity instead of the shared Runtime's identity.

• Fixed Mark-of-the-Web prompt state so it's tracked per the host app instead of per the shared WebView2 Runtime.

• Passkey prompts now open in the correct WebView2 host window.

See also

• Release notes for WebView2
  • Release notes for the WebView2 Runtime
  • Release notes for WebView2 SDKs
• Microsoft Edge 153 web platform release notes (Sep. 10, 2026)