Modern YouTube uses huge thumbnails with autoplaying previews. Version 5.9.0.13 used static, clean cards. The video title was smaller, the channel name was easily visible, and the "Thumbs up/down" buttons were prominent below the video window—not hidden in a three-dot menu.
A Deep Dive into YouTube Version 5.9.0.13: The Golden Era of Android Streaming youtube version 5.9.0.13
is a legacy Android release from October 2014 . Primarily used today for nostalgia or testing on older hardware, it represents the "Pre-Material Design" era of the app. Review: A Nostalgic Look at YouTube 5.9.0.13 A Deep Dive into YouTube Version 5
Modern users complain about YouTube forcing vertical short-form content. In version 5.9.0.13, there were no Shorts. There were no "Products" tabs. No "Community Posts." It was simply a —exactly what most people wanted. In version 5