The WebView2 Runtime is required (preinstalled onto all Windows 11 devices and eligible Windows 10 devices)
Written in Flutter using the webview_win_floating package.
Not endorsed or affiliated with WhatsApp.
I use a Gecko-based browser, the kind that WhatsApp Web seems to have a lot of trouble working with. I do not want to use other browsers and do not wish to use an installed desktop app. Other portable applications like WhatsApp™ portable from portapps have known issues, preventing them from being useable.