There are the main featues:
Common Operations: File Formats, Undo/Redo and History, Copy, Cut and Paste, Show/Hide GUI
Multiple View Scales: Zoom In/Zoom Out, Specific Aspect.
Flip, Rotate, Resize: Flip, Rotate, Resize, Crop and Fill Color,
Lasso & Marquee Selection Tools: Lasso, Polygonal Lasso, Rectangular Marquee, Elliptical Marquee, Magic Wand, Overlap Mode, Marquee Feathering,>
Color Adjustment Tools: Adjust Brightness and Contrast, Adjust R, G, B Level, Adjust Hue, Saturation and Brightness, Adjust Image Levels, Adjust Color Curves, Manually White Balance, Negative Color, Inverse Hue, Decolor(Black & White).
Retouch & Fix Tools - Clone-Stamp, Dodge/Burn, Spot Remover, Red-eye Reduction.
Effect Tools: Gaussian Blur, Simple Sharpen, USM Sharpen.
Other Features: No Metadata Lost(EXIF, IPTC), Multi-core CPU Optimization.
What's new in this version:
Version 18.104.22.168 adds the Magic Wand Tool.