Mozilla Firefox maintains a rapid 4-week release cycle with new major versions shipping regularly. Developed by Mozilla, a non-profit focused on internet privacy, Firefox offers versions for Windows, macOS, Linux, and Android. The browser provides multiple channels: Nightly, Developer Edition, Beta, and Release (stable). Enterprise users benefit from Firefox ESR (Extended Support Release), receiving security updates for approximately one year per major version. Firefox's commitment to privacy features, strong developer tools, and standards compliance make it a top choice for web professionals. Track Firefox release dates below to stay current with the latest updates.