The contact sheet generator options have improved, The viewer no longer continues to eat up memory as you view more and more images (old ones are unloaded). There is a handy fullscreen mode (use ALT-ENTER to toggle and ESC to back out). There are new zoom modes including 'fit' that can upscale as well as downscale. There is an image information overlay available. Lastly, the save-as dialog allows you to save in various formats, not only targa.