Mac OS X Yosemite 10.10.3 now available

After a long beta that included a lot of non-developer testers, Mac OS X Yosemite 10.10.3 is now available for general release in the Mac App Store. 

To be sure, this will be a controversial update as it introduces the public to the eventual replacement for iPhoto and Aperture -- the new Photos app. Here are the official release notes for the update: