At least on iOS I think you can do this from the Photos app itself using the share sheet -> Messenger rather than using Messenger’s send photo button (which req

At least on iOS I think you can do this from the Photos app itself using the share sheet -> Messenger rather than using Messenger’s send photo button (which requires the app to get photo permissions). I do agree it would be nice to have “Just once” on pretty much every permission dialog. Apple’s change to mandate an “Only while using the app” on location info after Uber’s location tracking fiasco was a good step in this direction.