Quality wise, BPG is essentially the same thing as HEIF because both base on HEVC. There are comparisons with HEIF in the slides linked on the JPEG XL homepage:

Quality wise, BPG is essentially the same thing as HEIF because both base on HEVC. There are comparisons with HEIF in the slides linked on the JPEG XL homepage: https://docs.google.com/presentation/d/1LlmUR0Uoh4dgT3DjanLjhlXrk_5W2nJBDqDAMbhe8v8/edit?usp=sharing https://docs.google.com/presentation/d/1LlmUR0Uoh4dgT3DjanLj...