Be careful with new image formats because they also have to be supported by the rest of the user's workflow. The browser might display it, but if it cannot be added to the photos app, or it's not understood by their image editor, or cannot be shared on their preferred chat app, then that's a fail.

WebP is especially hated for this among non-techies (31.8k upvotes, 1 month ago): https://www.reddit.com/r/mildlyinfuriating/comments/1trpuvr/...