This rocks, especially with some IPC between the "native" things like filesystem + TCP sockets -> JavaScript "bridge".
[1] https://github.com/tauri-apps/wry
(edited to fix that Tauri uses Wry and not Webview)
[1]: https://github.com/tauri-apps/wry
Edit to correct that Tauri uses Wry and not Webview.
Answering my own question, https://github.com/tauri-apps/wry , so looks like it loses one of the advantages of Electron in that you control the exact browser in use. Maybe that's incorrect. Who knows? Web site appears to not exist to provide such important details.
https://github.com/tauri-apps/tauri/blob/dev/ARCHITECTURE.md could lose a few thousand words, but this seems to be the real starting off point
See https://github.com/tauri-apps/wry
Edit: s/IE or Edge/Edge