Description: I am using an iPhone 6 on iOS 15.8. The App Store's "Last Compatible Version" feature is inconsistent. The first time I downloaded YouTube, I received a modern version with a square video player (the correct last compatible version). After deleting and re-downloading, the App Store gave me a much older version with a line-shaped video player and an outdated interface. This is a bug in the App Store's system for serving older, compatible apps. Please investigate and ensure users get the newest compatible version, not a random old one.