[pablorosatti]

The AV1 image format (AVIF) is an exciting new open-sourced and royalty free optimised image format which supports any image codec. An AVIF image offers significant file size reduction compared with JPEG, PNG and WebP and is currently supported on Google Chrome, Firefox and Android.

[spaceship98765]

i would also like this added.

[Xanashi]

Partial support for AVIF thumbnailing has been added in the latest release.