For new YouTube layout only.
For videos which have 60fps and/or HDR video qualities, the listed available video qualities only includes the highest quality ones. The video player may present a lower video quality depending on the network speed, web browser capability, and user account setting.
Hovering the mouse over the publication date will show a tooltip containing the complete publication date in local time, considering that YouTube may only shows how long the video was published. If the video was live streamed, it will contain the starting and ending recording time.