Man Yosemite works great. Only bug ive found that affects me so far is that when you preview something in finder you gotta start it over....matter of fact that was in the 3rd Preview lemme see if that shyt still happens.......
IT GOT FIXED!!!
So I can say I have no problems and if youre a casual user you will have no problems either. Made my 2009 MBP feel like a brand new computer
