Main features: support of (very) large images; support for multi-page images and animated GIFs; full Unicode support; supported image formats can be easily extended by installing additional codecs; perfect interface scaling - support for various resolutions/dpi.
What is new in this release:
Version 1.2.2 changed color schemes.
What is new in version 1.2.1:
Version 1.2.1 improved full screen toolbar behavior.