What happened to the variations tool? (Elgar will be most displeased!)
I've just updated to CS6 and find that my old friend "variations" is no longer there! It was very useful for quick, small colour corrections or to use for a suggestion before the image was sent to the retouching department/services. I would like to know why it was decided to remove it, and on whose authority!
On Adobe's authority as it is their product. As of why, you'll have to ask them, not us.
As the previous post indicates, the Image > Adjustment > Variations menu item and function has been dropped in all 64-bit versions of Photoshop from day one, ever since Photoshop CS4 Windows and CS5 Macintosh (there was no 64-bit version of CS4 for the Mac). For the time being, at least, there's no Macintosh 32-bit version of the CS6 beta, so the Variations will not be available to you in CS6 beta if you're on a Mac.