I had that question before too, still not sure why they picked HEIF for AVIF, in...

		shmerl on Jan 10, 2021 \| parent \| context \| favorite \| on: AVIF support enabled by default in Firefox 86 I had that question before too, still not sure why they picked HEIF for AVIF, instead of using some more obviously free container. They could easily avoid all the above.