Developers, artists and user interface designers from all over the world worked together to make GIMP more powerful and easier to use than ever.

General Improvements

• Refreshed Look
• Scalable Brushes
• Selection Tools
• Foreground Select Tool
• Align Tool
• Changes in menus
• Improved display when zooming in or out
• Support for file formats

Digital Photography

• Fullscreen Editing
• Color Management and Soft-proofing
• New Crop Tool
• Improved Printing
• Red Eye Removal
• Perspective Clone
• Lens Distortion
• JPEG quality

and various other improvement. A number of changes has gone also into plug-ins and scripts. There is new plugin such as new Screenshot plug-in offers more sophisticated options and is far easier to use. Check it out here, Gimp is Free.