The intention was for the format to succeed WebP, and while it does implement features that aren’t present in WebP, such as HDR support, it lacks in other features, such as support for resolutions over 4K . In August of 2020, Chromium received support for the format, with Firefox enabling support in October of 2021 and Safari implementing support throughout 2022. So, Google sabotaged JPEG XL in favour of their own format, WebP.