Support JPEG XL (JXL) file format for attachments/embeds

[PKMian]

Use case or problem

I would like to make use of some of my JPEG files which have been converted into JPEG XL format for better compression.

This would currently only really be beneficial to local vaults, not ones published online as JPEG XL isn’t widely supported on the web compared to some other more modern formats, such as WebP.

• https://jpegxl.info/
• JPEG XL image format | Can I use... Support tables for HTML5, CSS3, etc

Proposed solution

Support both lossy and lossless JXLs.

Current workaround (optional)

Losslessly convert JXLs back into JPG format. Webp is an option, and maybe eventually AVIF too.

Related feature requests (optional)

• Support WebP and JXL (JPEG XL) as attachment image file types

Thanks.

[WhiteNoise]

This is unlikely to happen until there is widespread browser/OS support. AVIF is more likely.