Declare the snapshot format (v1) stable, bump the version, ship the man page in release archives and deb/rpm/apk/Arch packages, add a Homebrew formula template with make brew-formula, and update the changelog, roadmap, README and development notes.
Stamp brand.Version via ldflags; build tar.gz/zip for linux, darwin, windows and the BSDs plus .deb/.rpm/.apk/Arch packages via nfpm.