Does Revery use a native toolkit (winforms, gtk, etc) or is it also a webview like electron? I've seen a couple of gui toolkits in rust following the Elm archi

Does Revery use a native toolkit (winforms, gtk, etc) or is it also a webview like electron? I've seen a couple of gui toolkits in rust following the Elm architecture and I think it's an amazing idea. It would be great if I was able to create apps like this using something like Qt behind the scenes.