Have you spotted ongoing work or planning to support at least viewing ISO 21496-1 #HDR JPEG images on #GNOME, #KDE or anywhere in the #Linux ecosystem?
Also known as compatible schemes #UltraHDR (Google), #SuperHDR (Samsung), #AdaptiveHDR (Apple). I see there is https://github.com/google/libultrahdr but it doesn't claim ISO compatibility so maybe not the best option? From Android 15+ jpegs are coded with both UltraHDR and ISO compliant gain maps.

GitHub - google/libultrahdr: Ultra HDR is a true HDR image format, and is backcompatible. libultrahdr is the reference codec for the Ultra HDR format. The codecs that support the format can render the HDR intent of the image on HDR displays; other codecs can still decode and display the SDR intent of the image.
Ultra HDR is a true HDR image format, and is backcompatible. libultrahdr is the reference codec for the Ultra HDR format. The codecs that support the format can render the HDR intent of the image...
