The screenshot says Webview2 https://developer.microsoft.com/en-us/Microsoft-edge/webview2/ https://developer.microsoft.com/en-us/Microsoft-edge/webview... So

The screenshot says Webview2 https://developer.microsoft.com/en-us/Microsoft-edge/webview2/ https://developer.microsoft.com/en-us/Microsoft-edge/webview... So it's Chromium, but not Electron.