Eric Hedekar from Moz, formerly STAT, said that now about half of the videos shown in the Google mobile results have changed in terms of how they are displayed. Instead of the carousel video format, Google is showing more of a list view according to Eric. Eric posted on Twitter "We're seeing roughly half of the video results on mobile take this new formatting."
Here is the new list view format (which isn't new but rolling out more):
Here is carousel view that most people probably remember seeing more often these days:
So I guess the list view is coming back in style?
Forum discussion at Twitter.
