YouTube is introducing new animations for the Like button, tailored to specific genres such as sports, thrillers, and romance, enhancing user engagement. This update is part of a broader overhaul of the video player aimed at creating a more immersive viewing experience. The animations correspond to various content types, including motor vehicles, cats, music, films, and travel. The update also includes refined Seeking capabilities for smoother navigation and a less intrusive double-tap feature. Additionally, YouTube is testing AI music hosts that provide commentary and trivia for users engaging with music content.