It's added automatically so they must have edited it. Also [2019] is customary.
Here's a similar discussion from a few weeks ago: https://news.ycombinator.com/item?id=49622042
Here's a similar discussion from a few weeks ago: https://news.ycombinator.com/item?id=49622042
Thanks, that is what I thought, but I have never submitted a video.
To the OP, it's there for a reason, don't remove it.