Take YouTube for example. It's difficult to resize the window so it's _just_ the video (they size things so you always see the video + title).

With a proper PiP mode, that's no longer an issue.

Win10 (the version I have at work) has removed "keep above" and made it application specific, OneNote has it, Word doesn't. It's crazy.

> app developers spend a lot of their time making up for the poor decisions of OS developers

On the other hand, Firefox keeps the close button for tabs on the right, even in macOS where every close button is on the left.

Thankfully, I've found a bit of userChrome that corrects this, as a workaround.

That's actually the issue. Most operating systems don't have the windowing capabilities of most Linux distributions.

I'm stuck on a Mac, where I cannot always on top, hide the title bar, or alt-drag windows to move them.