Evergreen Webview2 -

| Feature | Evergreen WebView2 | CEF (Chromium Embedded) | WebView (Windows Old) | |--------|-------------------|------------------------|------------------------| | Auto-updates | ✅ Built-in | ❌ You manage | ❌ None | | Installer size | ~0MB (runtime shared) | ~80MB+ per app | ~0MB (OS built-in) | | Chromium version | Latest (auto) | Fixed (you compile) | EdgeHTML (obsolete) | | Offline support | ❌ Needs internet | ✅ Full | ✅ Full | | Sandbox security | ✅ High | ✅ High | ❌ Low |

Before understanding the WebView2, we must understand the adjective "Evergreen." evergreen webview2

Because the Evergreen runtime is system-wide, Windows can share binary pages across multiple processes. If the user runs your WPF app, a WinUI 3 app, and a PowerShell WebView2 script simultaneously, they all share the same Chromium binaries in RAM, reducing overhead dramatically. | Feature | Evergreen WebView2 | CEF (Chromium

If your app relies on a very specific JavaScript behavior or a newly introduced API, User A might experience a bug that User B does not. a WinUI 3 app