# Version 4.0.0.616

Detailed release notes for DsImaging version 4.0.0.616

## Content

## New Features and Improvements

* Added support for ICO image format.
* Added GcIco class which represents a set of images stored in ICO format.
* Added IcoFrame class which represents a single frame in an ICO file.
* Added IcoFrameEncoding enumeration which specifies the encoding of an ICO frame image.