Apart from numerical or visual comparisons, it does things other formats don't: https://news.ycombinator.com/item?id=27581195 https://news.ycombinator.com/item?

Apart from numerical or visual comparisons, it does things other formats don't: https://news.ycombinator.com/item?id=27581195 https://news.ycombinator.com/item?id=27581195 The lossless recompression of existing .jpg content and faster software encoding for its native VarDCT format seem to provide immediate benefits in contexts where AVIF doesn't fit well now, either because AVIF encoding is slow or because AVIF would require a lossy reencoding of a lossily compressed source.