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## AVIF compression quality and “sharp YUV” technique

We have improved our AVIF compression quality. This affects all produced AVIFs
but is most noticeable on low bitrates. Average image size should not be
affected.

We have also enabled the “sharp YUV” technique for `-/quality/lightest/` AVIFs, which could significantly reduce red channel distortion during chroma subsampling. This affects the resulting size only for images that benefit considerably from this technique.

[https://uploadcare.com/docs/compression/#operation-quality](https://uploadcare.com/docs/compression/#operation-quality)