We’ve moved from AVC to HEVC and VP9 relatively quickly, but for some reason images are stuck in JPEG, PNG, and GIF despite newer formats like JPEG2000 and HEIC having been around for years? Videos are just images displayed very quickly, shouldn’t the adoption pace of image/video formats be similar?
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iPhones use HEIC by default, so it is probably one of the most widely used image formats out there today.
WebP is quickly gaining adoption on all major platforms.
There’s also a huge amount of progress happening in the professional photography space with all the different RAW formats and support for newer tech like HDR.
Aside from that, old formats are still in use because there’s nothing really wrong with them. The top motivation for all the newer video codecs you mention is better compression to save on storage costs and bandwidth. Static images are *tiny* in comparison and modern computers and internet connections can handle even badly optimized PNGs or JPEGs perfectly fine.
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