I know I'm moving the goalposts here but do you know of any native applications instead of javascript web apps packaged with a headless browser?
There now is a python and Go base and rust is starting as well.
[Fractal]: https://flathub.org/apps/details/org.gnome.Fractal [Matrix]: https://matrix.org/
https://www.scuttlebutt.nz/applications
The core implementation is written in javascript so it's not surprising it uses Electron, it's a pragmatic option.
I haven't checked since, but unless the situation has substantially improved since, it's no surprise that the JS implementation is the only one out there.