With the first release of AMD's Radeon Software, AMD Crimson, AMD planned to tackle not just performance, efficiency,the aging UI of their drivers or simply add more features, but take a 4 pronged approach that will endeavor to do all this at once in a since, stable driver release.
With Last years AMD Catalyst Omega driver AMD had fixed the 10 biggest issues that AMD Catalyst users had requested to be fixed, and now around a year later AMD has some so again, fixing many of the issues that their end users have been facing over the past year.