Prerelease SDK 1.0.790-prerelease, for Runtime 86 (Feb. 10, 2021)

Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: Feb. 10, 2021.

NuGet package for WebView2 SDK 1.0.790-prerelease

This Prerelease version of the WebView2 SDK requires Microsoft Edge version 86.0.616.0 or later; see Runtime 86.0.705.50 (Jan. 25, 2021).

Detailed contents:

• Breaking changes
  • Prerelease package 1.0.781 is deprecated
  • Prerelease package 0.9.430 is deprecated
• Features
• Promotions to Phase 2 (Stable in Prerelease)
• Bug fixes
  • .NET
    • Bug fixes
• See also

Breaking changes

Prerelease package 1.0.781 is deprecated

WebView2 prerelease package 1.0.781 is deprecated. Discontinue development with package 1.0.781.

Prerelease package 0.9.430 is deprecated

WebView2 prerelease package 0.9.430 is deprecated, and is removed with the next release. If your WebView2 app uses the package, the WebView2 team recommends that you move to a newer package.

Features

• Added TrySuspend and Resume method to suspend and resume WebViews.

• Added SetVirtualHostNameToFolderMapping method that maps a virtual host name to a directory path. (Issue #37, Issue #161, and Issue #212).

• Added the DefaultBackgroundColor property to set the color and alpha-channel of the background. (Issue #414).

• Added the UserAgent property to get or set the User Agent. (Issue #122).

• Replaced the CreateCookieWithCookie method with the CopyCookie method.

• Added visual hosting support using the ICoreWebView2CompositionController interface, which is created using the new CreateCoreWebView2CompositionController method from ICoreWebView2Environment3.

Promotions to Phase 2 (Stable in Prerelease)

The following APIs have been promoted from Phase 1: Experimental in Prerelease, to Phase 2: Stable in Prerelease, and are included in this Prerelease SDK.

• Visual Hosting APIs
• SetVirtualHostNameToFolderMapping

Bug fixes

• Turned off the Microsoft Edge Shopping feature in WebView2.

• Turned off the context menu in the PDF viewer when AreDefaultContextMenusEnabled is false. (Issue #605).

• Fixed a bug that returned E_NOINTERFACE when querying ICoreWebView2 for ICoreWebView2Experimental. (Issue #691).

• Fixed a bug that allowed navigation with malformed URIs when CoreWebView2NavigationStartingEventArgs.Cancel is set to false. (Issue #400).

• Fixed a bug that blocked window.print() on pop-up windows with event handlers attached to NewWindowRequested events. (Issue #409).

• Fixed Dynamic DPI issue when moving apps between different monitors. (Issue #58)

• Improved the HRESULT instances passed by ICoreWebView2WebResourceResponseViewGetContentCompletedHandler::Invoke.

• Turned off autofill manage button. (Issue #585).

• Fixed Visual Studio crashes while you run WebView2.Dispose when hosted in multiple windows. (Issue #816) and Issue #442).

• Fixed bug to display WebView2 control in Visual Studio Toolbox. (Issue #210).

• Reduced high CPU usage issues. (Issue #878).

• Fixed issues with deprecated 1.0.781-prerelease package. (Issue #875 and Issue #878).

.NET

Bug fixes

• Fixed bug that crashed WebView2 apps that use the WPF SDK. The crash occurred when pressing F4 to close a window. (Issue #399).

• The WebView2 initialization screen is now transparent, instead of gray. (Issue #196).

See also

• Runtime 86.0.705.50 (Jan. 25, 2021)
• Release notes for WebView2
  • Release notes for the WebView2 Runtime
  • Release notes for WebView2 SDKs