• Added support for Krita's file format (.kra);
• Added support for hi-resolution scrolling and lua callbacks;
• Added support for semi-transparent background;
• viewer: Added focus mode (dims the image area outside the mouse pointer);
• viewer: Added new image positioning mode: follow mouse pointer;
• lua: Added drag-n-drop handler;
• font: Added support for colored fonts and font sets;
• tiff: Added support for non-RGBA images;
• Hardened decoders against malformed input;
• Small rendering optimizations.