Even with JS/TS app code, instead of Electron, you can still also use Tauri afaict: just minimally get the Tauri binding up in your compiles-to-native lang of choice, and then one can still write the overwhelming bulk of the GUI in JS/TS (and perhaps even most/all of app logic, depending on how much of it is expressible via browser web APIs).

Certainly less bloat this way than Electron, for those with a taste for JS/TS.