Official and probably non-beta links will be up in less than two hours. Would recommend to wait and grab the official bits.
Sure I just posted for the people who want an preview of The new radeon settings manager callled Crimson ! driver has an overall worser performance then the latest Beta driver from AMD. So you are right that it is beta hope for an newer driver with the official release
Speaking of Drivers, to article explains how to backup every driver on your computer on different partition from one you are using so it's always there, and how to restore driver if need be: In MDL QUICK LINKS in Sig 39.)Windows 10 tip: Back up your third-party hardware drivers Here