libjpeg Changelog
What's new in libjpeg 9
Jan 28, 2013- Support has been added for lossless coding of RGB images with significantly improved compression.
- These files are incompatible with previous versions of libjpeg, yet compatible with other JPEG standards (e.g., JPEG-LS part 2).
- Files with invalid component identifiers (such as created by Adobe PDF) are now tolerated.
- Various other enhancements and several fixes have been made.