[lonjil]

Some years ago, the Google Photos team asked the Chrome team to support JXL, so that they could use it for Photos. The request was ignored, of course.

[hirako2000]

They could have added support themselves to the app as it doesn't use the WebView

[ascorbic]

Google Photos isn't just the app

[hirako2000]

See cousin comment, it accepts AVIF files. At least they would render on the app. Which would be enough for many. As it stands it accepts this format and renders nothing at all.