Analysis of information sources in references of the Wikipedia article "MacOS version history" in English language version.
Leopard is now an Open Brand UNIX 03 Registered Product, conforming to the SUSv3 and POSIX 1003.1 specifications for the C API, Shell Utilities, and Threads.
RC Release is Kodiak (Public Beta)
Perhaps one of the announcements that stood out the most was a slight name change. The desktop operating system Mac OS X will now be called macOS to better match with the way the company's other operating systems are named.
RC Release is Kodiak (Public Beta)
Leopard is now an Open Brand UNIX 03 Registered Product, conforming to the SUSv3 and POSIX 1003.1 specifications for the C API, Shell Utilities, and Threads.