(click for larger view)
If it doesn’t, that means you’re editing a photo that was edited in an older version of Lightroom or Camera Raw. It’s easy enough to change the. Just scroll down to the Calibration panel in the Develop module. Under the Process setting make sure it reads 2012, not 2010.
Now you’ll be using the newest Lightroom stuff and you’ll be able to take advantage of the new sliders in the Basic panel.