- 1/26/2017: version 0.6.0
* lossless performance and compression improvements
* miscellaneous performance improvements (SSE2, NEON, MSA)
* webpmux gained a -duration option allowing for frame timing modification
* new img2webp utility allowing a sequence of images to be converted to
animated webp
* API changes:
- libwebp:
WebPPictureSharpARGBToYUVA
WebPPlaneDistortion
- libwebpmux / gif2webp:
WebPAnimEncoderOptions: kmax <= 0 now disables keyframes, kmax == 1
forces all keyframes. See mux.h and the gif2webp
manpage for details.