One of the biggest new features is the ability to edit offline images by accessing a smaller version of the original image that is intelligently saved in the application. The Radial Filter lets you adjust aspects of an image with a circular mask. The Spot Removal brush has been enhanced, and the new “Visualize Spots” tool removes dust spots from your camera sensor. Each of these improvements is a result of feedback provided by the Lightroom community.”
We’ve also added the ability to edit photos when not connected to your original images.
“We’ve added more robust healing options, the ability to create off-center vignettes, and a one-click auto perspective correction tool. “With this release, our goal was to add some highly-desired features that allow photographers to quickly process and enhance their images,” according to Adobe.