Why no Mac Pro support prior to 2010??
That was a big jump, Apple. My 2008 Mac Pro outperforms most brand new Apple computers. And I know of Mac Pro 2009s that outperform even the new Mac Pros. Why no support all of a sudden? And why the multi-year jump between El Capitan and Sierra?
Mac Pro, OS X El Capitan (10.11.6), 3,1 3.0Ghz 2x Quad Core Xeon