If you use a service like Cloudinary then it will detect the appropriate image format to serve to the browser based on the request. I would expect JPEG-XL to start being served to Safari clients once macOS 14 and iOS 17 are released.
Chrome can hold out but ultimately all they are doing is hurting their users.
You don't even have to use a service. A picture element containing sources by priority, and then finally an img fallback for the obsolete browsers, allows you to use the best possible codec that the client supports.
Chrome can hold out but ultimately all they are doing is hurting their users.