Youtube Embed Behavior

There is an “expansion” button at the top left of each embed that wp 5.5 is removing?

page at 5.5:
https://staging.jantonacci.com/inspiration-from-the-land/

page at 5.4.2:
https://thelandaurora.org/inspiration-from-the-land/

the buttons in question don’t interact with youtube, they just resize the embed.+

here is the same issue on a generic 2020 theme site (no plugins)
https://patentsintegrated.jantonacci.com/

• This topic was modified 5 years, 9 months ago by Steven Stern (sterndata).

The page I need help with: [log in to see the link]