Before installing an update, make sure all previously released errata relevant to the system have been applied.
To access updates when using Red Hat Enterprise Linux 7, launch the graphical update tool through Applications - Before installing an update, make sure all previously released errata relevant to the system have been applied.
So Debian is the complete opposite of a rolling release, Ubuntu as well. Here's the section of the wikipedia page that covers the use of development branches for standard release distros: The distinction between rolling release software distributions and development branches of standard release software distributions is often overlooked by users inexperienced with rolling distributions.
Fedora Rawhide is also kind-of a rolling release, but I already knew that (and don't want to use it, if that's what you were referring to). This can lead to confused comments, such as: "distro-X is a rolling distribution if you use its development branch" — where distro-X is a standard release distribution.
This had been a long discussed option on many peoples' wish list but had never been implemented.