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It really is amazing how often things get broken in new drivers. I don't think AMD's or nVidia's testing process is thorough enough...either that or they don't care about certain features enough to worry that they're broken. People using CRU to extend their monitor's FreeSync range either have to use old AMD drivers (pre-17.2.1) or use a workaround script to disable and re-enable GPU Scaling in Radeon Settings every boot up. And let's not forget how many years nVidia's "colour range" option was either missing or totally broken...I always install the latest driver whether it's the latest official release or beta. For me 99.9% of the time I just install over the top (no clean install) and I never have issues normally unless the fault is with nvidia breaking something in the driver like the broken PCSS shadows causing flickering a few drivers ago in the division and watch dogs 2. But it's extremely rare for me to have issues. If I have to downgrade to the previous driver then I just simply install the older version over the top of the new version, again it installs just fine.
Just to be on the safe side really. I've had driver problems in the past and it is a pain in the arse so I'd rather do it properly.