v.2.1.5.
--------
[fixed since 2.0.0]
Zoom in/out button bug while manual resizing
Slow engine bug
Auto zoom in/out bug (max 800x600, min 256x192)
Windows registry bugs
Image size bug
6144(6161) screens bug
Link highlight bug in the About box
Picture print size bug
"Next" Slide show function
Zoom out bug (incorrect aspect ratio)
Unstable functions were removed (including slide show support)

[left]
Incorrect BMPs (ACDSee 2.41 can't display them properly)
Old COMCTL32.DLL problem
Does not attach extension to a file automatically when using "Export..." function