If you start seeking and need to go back, move your finger to where you started and lift when you feel a vibration; YT snap you back to the exact part of the video where you left off.
The Library and account page are now combined into a single "You Tab". Here, you'll access your watched videos, playlists, downloads, purchases, account settings, and channel info.
When creators prompt viewers to "like" or "subscribe," the buttons will display a visual cue synchronized with the video. After a click, a subtle explosion of sparkles will playfully reward fans.