नोट
इस पेज तक पहुँच के लिए प्रमाणन की आवश्यकता होती है. आप साइन इन करने या निर्देशिकाओं को बदलने का प्रयास कर सकते हैं.
इस पेज तक पहुँच के लिए प्रमाणन की आवश्यकता होती है. आप निर्देशिकाओं को बदलने का प्रयास कर सकते हैं.
Release notes for Microsoft Edge WebView2 Preview Runtime, release date: Nov. 6, 2026.
In addition to the following WebView2 Runtime improvements, you can also use the new web platform features from Microsoft Edge 157; see Microsoft Edge 157 web platform release notes (Nov. 5, 2026).
Upcoming breaking change: Removing the msAbydosHandwritingAttr WebView2 browser flag
Starting with v159, WebView2 will remove the deprecated msAbydosHandwritingAttr browser flag. After this change, passing msAbydosHandwritingAttr through WEBVIEW2_ADDITIONAL_BROWSER_ARGUMENTS, registry-based browser arguments, or CoreWebView2EnvironmentOptions.AdditionalBrowserArguments will no longer enable the expected behavior.
For details, see Upcoming breaking change: Removing the msAbydosHandwritingAttr WebView2 browser flag in Runtime 156.0.4314.42 (Oct. 23, 2026).
Upcoming breaking change: Required ACL setup for app-managed WebView2 Fixed Version runtimes on Windows
Starting with v159, WebView2 is strengthening the renderer sandbox for app-managed Fixed Version deployments. Applications that deploy and manage an unpackaged Fixed Version runtime must configure and preserve the required Windows access control list (ACL) entries on the runtime folder during installation, runtime updates, and repair.
For details, see Upcoming breaking change: Required ACL setup for app-managed WebView2 Fixed Version runtimes on Windows in Runtime 156.0.4314.42 (Oct. 23, 2026).
Bug fixes
- Restricted host object access to valid committed origins.