NativeWebView control for Avalonia that attempts to use native web view implementations without heavy dependencies on Chromium or any other non-native browser implementation which have to be shipped with the app. Please, don't use this project in production, since it requires more work and stabilization to be a universal tool for every project. But rather use it as a reference for your own minimal web view implementation specifically for your needs.
If you want an easier and more reliable solution for embedding web view pages into your app - look for CEF wrappers in Avalonia. They use the Chromium framework and are easier to use.
WebView2 is used when available. Otherwise fallbacks to the Internet Explorer WebBrowser component. Either way, it requires developers to target "net6.0-window" framework, which is buildable only on Windows.
In both cases, WinForms wrappers are used. Should be possible to generate more lightweight adapters using MicroCOM or CsWinRT/CsWin32. Not only bundle size will benefit from it, but also remove dependency on "net6.0-window" target. It's also possible to use WebView1 (based on old Edge).
Old WebView is used with MonoMAC.NetStandard, a glue layer between Obj-C and .NET. Relatavely easy to write your own mappings for new WkWebView. A new target framework for "net6.0-macos" might be added to avoid MonoMAC dependency and use modern .NET MacOS APIs.
GtkSharp is used, but Avalonia doesn't have proper XEmbed support for navigation and keyboard. Furthermore current implementation in this repository doesn't work at all.
Control embedding isn't possible there.
Avalonia currently doesn't support native embed controls for these backends. But it might be possible in the future.