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Release notes for Microsoft Edge WebView2 Prerelease SDK, release date: May 12, 2025.
NuGet package for WebView2 SDK 1.0.3296-prerelease
For full API compatibility, this Prerelease version of the WebView2 SDK requires the WebView2 Runtime that ships with Microsoft Edge version 137.0.3296.0 or later; see Runtime 137.0.3296.44 (Jun. 3, 2025).
Detailed contents:
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.
Set default background color on WebView2 initialization (DefaultBackgroundColor API)
The DefaultBackgroundColor API allows users to set the DefaultBackgroundColor property at initialization. This prevents a disruptive white flash during the WebView2 loading process.
Previous phase: Set default background color on WebView2 initialization (DefaultBackgroundColor API) in Prerelease SDK 1.0.3079-prerelease, for Runtime 134 (Jan. 24, 2025).
CoreWebView2ControllerOptionsClass: