...The package supports subcommands, default values, custom parsing strategies, and rich error messages that match platform conventions. It integrates cleanly with Swift Package Manager, works well in CI, and provides incremental improvements such as Sendable conformances for wrappers to help in concurrent contexts. The issue tracker and releases show active maintenance, real-world usage patterns, and design notes for advanced scenarios like collecting unrecognized arguments or mixing parent options with subcommands. ...