10.10.3 improves performance for games, report Mac game devs

[iMore.com]

If you like to play games on your Mac, you'll be happy to know that OS X Yosemite 10.10.3 includes updates that improve game performance.
Still on the fence about whether to update to 10.10.3, which came out last week? Back up, back up, back up, but once you have and you're ready to go, expect some core optimizations to Apple's graphics drivers that are netting significant gains in some OS X games.

Full story from the iMore Blog...