# Rust Image 0.4 Release Notes

Rust image aims to be a pure-Rust implementation of various popular image formats. Accompanying reading/write support, rust image provides basic imaging processing function. See `README.md` for further details.

## Known issues
 - Interlaced (progressive) or animated images are not well supported.
 - Images with *n* bit/channel (*n ≠ 8*) are not well supported.

## Changes

### Version 0.4
 - Various improvements.
 - Additional supported image formats (BMP and ICO).
 - GIF and PNG codec moved into separate crates.
 
### Version 0.3
 - Replace `std::old_io` with `std::io`.

### Version 0.2
 - Support for interlaced PNG images.
 - Writing support for GIF images (full color and paletted).
 - Color quantizer that converts 32bit images to paletted including the alpha channel.
 - Initial support for reading TGA images.
 - Reading support for TIFF images (packbits and FAX compression not supported).
 - Various bug fixes and improvements.

### Version 0.1
- Initial release
- Basic reading support for png, jpeg, gif, ppm and webp.
- Basic writing support for png and jpeg.
- A collection of basic imaging processing function like `blur` or `invert`
