I really like the extension but it has a flickering issue whenever i hover the mouse over

Good, working, and beautiful UI

Works beautifully and aesthetically. It detects all the media you have played and paused while also keeping the most recent media played at the top of the stack! Each card has media controls and thumbnail. I personally think the thumbnails could be a bigger and each card have a special color generated based on the thumbnail like chrome instead of just dark.

There is one bug where the card flashes on mouse hover if media is playing but not if media is not playing.