GitHub Provides Release Notifications Via Atom Feeds
GitHub offers Atom feeds for releases of projects hosted on the site, complete with release notes if maintainers provide them — a painless way to stay up to date with new releases.
The feed for a project can be accessed athttps://github.com/{org-name}/{project-name}/releases.atom
so you can subscribe to releases of Leaflet.Deflate via https://github.com/oliverroick/Leaflet.Deflate/releases.atom.