SuperPNG Changelog
What's new in SuperPNG 2.5
Jun 28, 2014- Quantize, Clean Transparent options. Now open source.
New in SuperPNG 2.0 (Jun 23, 2014)
- 64-bit versions, Alpha channel options.
New in SuperPNG 1.0 (Jun 23, 2014)
- Support for Metadata and most other PNG things.
New in SuperPNG 0.8 Beta (Jun 23, 2014)
- Reading added.