Prerelease SDK 1.0.1340-prerelease, for Runtime 105 (Aug. 8, 2022)

Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: Aug. 8, 2022.

NuGet package for WebView2 SDK 1.0.1340-prerelease

For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 105.0.1340.0 or later; see Runtime 105.0.1343.22 (Sep. 6, 2022).

Detailed contents:

• Experimental APIs (Phase 1: Experimental in Prerelease)
  • WebResourceRequested for workers
  • Custom scheme registration
• Bug fixes
• See also

Experimental APIs (Phase 1: Experimental in Prerelease)

The following Experimental APIs have been added in this Prerelease SDK.

WebResourceRequested for workers

Added support for WebResourceRequested for workers, which allows setting filters in order to receive WebResourceRequested events for service workers, shared workers, and different origin iframes.

.NET/C#

• CoreWebView2.AddWebResourceRequestedFilter(uri, resourceContext, requestSourceKinds) Method
• CoreWebView2.RemoveWebResourceRequestedFilter(uri, resourceContext, requestSourceKinds) Method
• CoreWebView2WebResourceRequestedEventArgs Class

WinRT/C#

• CoreWebView2.AddWebResourceRequestedFilter(uri, resourceContext, requestSourceKinds) Method
• CoreWebView2.RemoveWebResourceRequestedFilter(uri, resourceContext, requestSourceKinds) Method
• CoreWebView2WebResourceRequestedEventArgs Class

Win32/C++

• ICoreWebView2Experimental16.AddWebResourceRequestedFilterWithRequestSourceKinds
• ICoreWebView2Experimental16.RemoveWebResourceRequestedFilterWithRequestSourceKinds
• ICoreWebView2ExperimentalWebResourceRequestedEventArgs

Custom scheme registration

Added support for custom scheme registration which allows WebView2 apps to be able to handle WebResourceRequested event for requests with the specified scheme and be able to navigate the WebView2 control to the custom scheme.

.NET/C#

• CoreWebView2EnvironmentOptions Class
• CoreWebView2CustomSchemeRegistration Class

WinRT/C#

• CoreWebView2EnvironmentOptions Class
• CoreWebView2CustomSchemeRegistration Class

Win32/C++

• ICoreWebView2ExperimentalEnvironmentOptions
• ICoreWebView2ExperimentalCustomSchemeRegistration

Bug fixes

• Added the ability for developers to explicitly specify the path from which to load the WebView2Loader.dll. (Issue #767)

• Added useful error messages when using CallDevToolsProtocolMethod. (Issue #1609)

• Fixed a bug in finding and loading the WebView2Loader.dll in some .NET apps. (Issue #2372)

• Fixed a bug where DownloadStarting event was not fired when retrying a download. (Issue #2489)

• Fixed an issue in service worker caching if the path was too long. (Issue #1900)

• Improved performance for wv2winrt IMap and IMapView projections into JavaScript.

• Adding support for HWND_MESSAGE to be used as WebView2 parent window to support headless scenarios. (Issue #202)

• Improved handling of running as admin user apps.

• Fixed online/offline status and notifications when using WebView2 in UWP apps.

• GDI scaling can now be enabled for WebView2. WebView2 will respect the GDI scaling setting of the hosting application without additional work needed from the app. (Issue #1700)

• Fixed a bug where focus is not returned to the application after closing the find bar for windowed mode. (Issue #1225)

See also

• Runtime 105.0.1343.22 (Sep. 6, 2022)
• Release notes for WebView2
  • Release notes for the WebView2 Runtime
  • Release notes for WebView2 SDKs