https://blackboard.sh/electrobun/docs/

В комментах в релизе верселевского zero-native (ZIGAuri лол, zig + tauri)
притащили Electrobun и выглядит очень достойно

14 MB bundle · 14 KB updates · <50 ms startup · 100% native fee

✓ Native bindings written in C++, ObjC, and Zig
✓ Bun as backend runtime and bundler
✓ System's native webview as renderer, CEF Optional
✓ Custom bsdiff-based update mechanism
✓ Cross-platform: macOS, Windows, Linux