Yep, that's the whole idea. In development everything is unpacked, uncompressed and debuggable. In production, you get packaged CSS, JS, and (optionally) images

Yep, that's the whole idea. In development everything is unpacked, uncompressed and debuggable. In production, you get packaged CSS, JS, and (optionally) images, for the smallest size and fewest HTTP requests possible. If you have any questions, feel free to email me (jeremy at documentcloud dot org), or start an Issue on GitHub.