That doesn't seem right. This feature is only available for Android app (v6.0 and above). Are you able to share a screenshot of this option showing on iOS and we'll look into it? Thanks.
@TeamYouTube the videos are not playing on the home feed as i browse and i just a updated to the latest version i’m using an iphone xpic.twitter.com/vFVODkzXgC
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