Currently, the releases are stored separately (in a bare apache directory listing) with no association to their git tags. This means that one clicks "Releases", and then the tarballs are not immediately visible; one must then check another location, and associate the two.

The github behavior here is to "edit" a tag (which promotes it into a full release) and add files to it, as well as including release notes. This seems ideal to me (though if you decide to dynamically generate archives from tags, please make sure that checksums always match).