Prerelease SDK 1.0.674-prerelease, for Runtime 86 (Oct. 19, 2020)

Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: Oct. 19, 2020.

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

General features

Added NavigateWithWebResourceRequest method to provide post data or other request headers during navigation.
Added DOMContentLoaded event that runs when the initial HTML document is loaded and parsed.
Added the Environment property on WebView2. This property exposes the WebView2 environment where an instance of WebView2 was created.
Added cookie management APIs that allow developers to authenticate the WebView2 session, or retrieve cookies from WebView2 to authenticate other tools. The WebView2 team plans to make language or framework-specific improvements. See API Review: Cookie Management.
Updated the WebResourceResponseReceived event, and added immutable WebResourceResponseView and WebResourceResponseReceivedEventArgs::PopulateResponseContent to WebResourceResponseView::GetContent.
Turned off Microsoft Defender Application Guard (WDAG) in WebView2.
Added SystemCursorId for Visual Hosting.
Added bug fixed for Input Method in Visual Hosting.
Removed include requirement for version.lib when using WebView2 static library.

Updated CoreWebView2 class to expose the CoreWebView2Environment variable.
Changed implementations of custom EventArgs classes in Microsoft.Web.WebView2.Core namespace to subclasses of System.EventArgs or System.ComponentModel.CancelEventArgs. (Issue #250)
Added support for CoreWebView2CreationProperties in WinForms. (Issue #204).
Added WebResourceRequested .NET APIs. (Issue #219).
Updated WinForms Designer Source property to default or reset to null. (Issue #177).
Updated WebView2 bounds in WebView2.Init() to support DPI modes that are less than 100%. (Issue #432).
Updated BuildWindowCore and DestroyWindowCore to increase robustness. (Issue #382).
Updated .NET Loader base to load on process bit instead of operating system architecture. (Issue #431).
Renamed EdgeNotFoundException to WebView2RuntimeNotFoundException.

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