Music_video_full_vertv2nd_op -

: Swipe up or down to return to the standard player or discovery feed.

The 2nd_op likely refers to a specific "Secondary Operation" mode, such as: music_video_full_vertv2nd_op

: User taps a "Vertical Experience" icon on a standard music video. : Swipe up or down to return to

: Removes all UI padding, ensuring the video content occupies 100% of the mobile viewport. music_video_full_vertv2nd_op

: A redesigned seek bar at the bottom that provides tactile feedback when navigating through the video.