Just installed a “4K” monitor from Dell, but the drivers on OS-X 10.9 didn’t work right. (Images on the rightmost edge of the screen were garbled.) So I upgraded to Yosemite, and that fixed the problem.
Images on the new monitor look great. Now I just have to hope Yosemite doesn't introduce any bugs!
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”
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