The default FLTK look and feel might be discouraging, but there are some really great native themes shipped for the Rust bindings: https://github.com/fltk-rs/fltk-theme?tab=readme-ov-file#wid...

FLTK 1.4 Released

Depending on your content, switching from `-preset veryfast` to `veryslow` could let you drop the bitrate by as much as 20-30% at the same visual quality. Your users will thank you for it,

Great question! That was actually covered in the link I posted.

Compared to PyInstaller, it doesn't dump any temporary files on disk.

Compared to Nuitka, it uses the real CPython, not a different implementation.

Pex and Shiv both require the end user to have Python installed, so I think PyOxidizer is the best tool in this category: https://pyoxidizer.readthedocs.io/en/stable/pyoxidizer_compa...