I've extended QOI for 10-bit here: https://github.com/AuburnSounds/gamut https://github.com/AuburnSounds/gamut (and also grey and grey+alpha). So it's a separat

I've extended QOI for 10-bit here: https://github.com/AuburnSounds/gamut https://github.com/AuburnSounds/gamut (and also grey and grey+alpha). So it's a separate incompatible codec yes. The problem with a QOI that would have 16-bit is that lossless becomes more expensive, exact match in the color table is more rare too and not worth it anymore. You will start to need more prediction modes + offsets. Using QOIX for elevation maps in PBR currently.