darktable 2.2.0 is currently in heavy development, with an initial Release Candidate version out the door, and it looks like it will be a major release sporting exciting new features and tools, including a brand new automatic perspective correction module, new raw overexposure indication, as well as Undo and Redo support. The upcoming darktable 2.2 release also promises a new tool called darktable-chart, which allows for the creation of styles for the CLUT (Color Look Up Table) module used for changing colors in an image, a new Liquify tool, and a revamped LCh reconstruction mode in the Highlight reconstruction module.