Beginning with the next driver release, the Radeon drivers will be known as “Radeon Software.” At the same time, similar to projects such as Ubuntu Linux and Android, AMD will be introducing a codename-like middle name to denote the “major version.” These names, which only fitting for the RTG will all be variations of red, will start with “Crimson Edition” and will change roughly every year as AMD introduces what they consider a new major version of the software. The way I understand it is 15.12 is "the" crimson edition, all non-whql drivers are called hotfixes delineated by the year/month plus which beta for that month. The next WHQL should just be called 16.3 crimson edition. After that until the next quarter all the betas will revert to the hotfix label and numbering scheme. Didnt think it was that important or difficult.