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Live wallpapers have been there since the introduction of 3D Touch on 6s

You misunderstand. On the new 11 phones if you go into settings and change the wallpaper you get three groups - dynamic, stills and live. My Xʀ only offers dynamic and stills so I wondered if the live category was only for the new 11 phones as opposed to older phones updating to iOS 13.
 
XR didn‘t have them neither, only the XS and XS Max did. So, seems like they “continued the tradition”.

Yeah I guess they have, annoying as the new phones don’t have 3D Touch either so no reason they couldn’t allow all phones to have them!
 
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