: This specific build focuses on stability and compatibility for the version 3.x series, which introduced major features like Dark Mode support and macOS Catalina notarization .

: Integrated support for code signing and notarization , which are essential for passing Apple's Gatekeeper security checks on modern macOS versions like Catalina and later.

While newer versions (such as 4.2.x) are available for macOS 11.0 and later, version 3.0.2 remains a documented legacy build for users on older operating systems. DMG Canvas - Disk Image Layout and Building for macOS