*Solved for now* Extension or way to disable this Youtube floating window?

[RogerWilco]

I think it was today that I noticed on one of my desktop machines that once I clicked the thumb mouse button to navigate back to the Youtube search result list it did two things:
a) it went back to the list and
b) it kept the video I did not want to see any more playing in a floating window. One more annoying click to have silence again.

Yes, I'm searching for a desktop solution to this, not for mobile devices. Thankfully in NewPipe (Android @F-Droid store) this is optional and does not require logging in.

So, is there a way to achieve this by either an extension, custom script or would it be some uBlock Origin filter rule?
I do not want to use cookies with that site, log in/be logged in and only being able to disable it through YT account preferences.

Merci bien, grazie mille, спасибо, Danke and thanks a bunch in advance.

RogerWilco

[luetage]

I can't recreate this behaviour.

[RogerWilco]

I was referring to this:

https://www.techradar.com/news/youtube-is-testing-picture-in-picture-video-on-the-desktop

[RogerWilco]

@rogerwilco
For now I believe that I have found a working solution for Youtube and the things I wanted to gain control over by

• Iridium extension
• ImprovedTube extension
  I may be able to reduce that to one of those.