Webview2 109.0.1518.140 〈480p〉

| Feature | WebView2 109.0.1518.140 | WebView2 110+ (e.g., 120+) | |---------|--------------------------|-----------------------------| | | ✅ Full | ❌ None | | Windows 10/11 support | ✅ (but outdated) | ✅ Modern | | Chromium base | 109 (Jan 2023) | 120+ (Dec 2023+) | | CSS Container Queries | ❌ No | ✅ Yes | | WebCodecs API | ❌ No | ✅ Yes | | AV1 encoder support | ❌ No | ✅ Yes (partial) | | SharedArrayBuffer (cross-origin) | Requires COOP/COEP | Same, but more stable | | Security patches after Feb 2023 | ❌ Missing | ✅ Up-to-date |

"runtimeVersion": "109.0.1518.140", "runtimeLocation": "C:\WebView2\109.0.1518.140" webview2 109.0.1518.140

Microsoft Edge WebView2 has become the standard for embedding web content in native Windows applications. As Microsoft moves forward with newer Chromium engines, a specific version, , holds a unique, critical position in the ecosystem. | Feature | WebView2 109

This highlights a unique duality of this specific version: it represents both the dynamic nature of the Evergreen web (for those updating automatically) and the static assurance required by strict regulatory environments (for those packaging it fixed). The stability of the 109 branch made it a safe harbor for developers who wanted to freeze their environment, ensuring that updates to the Chromium engine would not introduce unexpected breaking changes to their JavaScript logic or CSS rendering. The stability of the 109 branch made it