Runtime 140.0.3485.44 (Sep. 8, 2025)

Release notes for Microsoft Edge WebView2 Runtime, release date: Sep. 8, 2025.

In addition to the following WebView2 Runtime improvements, you can also use the new web platform features from Microsoft Edge 140; see Microsoft Edge 140 web platform release notes (Sep. 2025).

Bug fixes

• Fixed put_UserAgent not working for service workers.

• Fixed a crash in Devtools on Windows Server and Windows 10.

• Removed browser process tracking after calling remove_BrowserProcessExited.

• Fixed a memory leak issue in hostObject async function calls.

• Fixed touch not working in visual hosting after a long tap.

• Fixed a black-box issue on dialogs in visual hosting.

See also

• Release SDK 1.0.3485.44, for Runtime 140 (Sep. 8, 2025)
• Prerelease SDK 1.0.3477-prerelease, for Runtime 140 (Aug. 11, 2025)
• Prerelease SDK 1.0.3415-prerelease, for Runtime 140 (Jul. 14, 2025)
• Release notes for WebView2
  • Release notes for the WebView2 Runtime
  • Release notes for WebView2 SDKs
• Microsoft Edge 140 web platform release notes (Sep. 2025)