The popover attribute adds behaviour, but not a role. Which role should you use in combination with the popover attribute?| Hidde's blog
What does “built in accessibility” actually mean for browsers that support popover?| Hidde's blog
Pop quiz! What's the difference between a Popover element and a Dialog element? The answer is not all that clear and is widely misunderstood, but Zell has a clear way to explain it so that you know which element to reach for in your work.| CSS-Tricks
Learn how to build tooltips, menus, and more with the new popover API.| Chrome for Developers
A declarative way to display elements on top of page content.| 12daysofweb.dev
Open UI| open-ui.org