Description
Checklist
[X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
[X] I have read the FAQ and my problem isn't listed.
[X] I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
[X] This issue contains only one feature request.
[X] I have read and understood the contribution guidelines.
Is your feature request related to a problem? Please describe.
It would be great to add JPEG XL support in the Gallery.
Describe the solution you'd like
Could maybe be based on this: https://github.com/oupson/jxlviewer
Describe alternatives you've considered
None
Additional context
JPEG XL is a new modern image format, supporting both lossless and lossy compression. It has about 17-27% better compression than JPEG (mozjpeg), 15-24% better compression than WebP and 5-10% better compression than AVIF (source: https://cloudinary.com/blog/jpeg-xl-how-it-started-how-its-going) It is supported by default by all Apple devices, Linux (KDE and GNOME), various browsers (Safari, GNOME Web, Firefox Nightly, Pale Moon, Waterfox, ...) and well-known industry brand names have publicly voiced support for JPEG XL as their preferred choice, including Facebook, Adobe, Intel, Krita etc.