> MacOS can take a long time to update with support for new formats.

Apple added JPEG XL support for macOS, iOS, iPadOS, and watchOS in September 2023 [1]; iPhone 17 Pro/Pro Max added support for JPEG XL Lossy and Lossless compression for ProRAW pictures last year [2].

When Apple adopts jxl-rs, Safari, Chrome and Firefox will use the same JPEG XL decoder.

[1]: https://webkit.org/blog/14445/webkit-features-in-safari-17-0...

[2]: "iPhone 17 Pro’s Camera Leap: JPEG‑XL, Cleaner Shots, and Pro Filmmaking Tools" - https://modernengineeringmarvels.com/2025/09/19/iphone-17-pr...