Dennis Schubert

I agree that this isn't expressible by CSS, but I fear this is one of the issues that is out of question. Given we agree on that our current behavior...

@javiercn what are those "gaps"? From a browser developer's standpoint, I'd be interested in learning about those.

Understood, yeah. There's probably some things you can already do with native APIs. For example, an Error summary could be built by iterating over form elements and reading [`HTMLObjectElement.validationMessage`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLObjectElement/validationMessage). Custom...

> @clipchamp seems to belong to microsoft now. https://github.com/orgs/clipchamp/people Ah! That makes finding a contact easy. I reached out to them and asked if there is anything specific missing or...

The site uses relatively simple JS to show and hide the menu: ```js t.switch.addEventListener("click", function () { "false" === this.ariaExpanded ? c() : d(); }); function c() { n.classList.add("nav-header-menu-mobile-open"), (t.switch.ariaExpanded...

This is expected, Firefox doesn't support the PiP Web API, see https://bugzilla.mozilla.org/show_bug.cgi?id=1463402

This has been fixed in 106 via bug 1786521!

Moving to needsdiagnosis, as I'm fairly confident this is a valid issue... :)

There's also a significant amount of jank, so maybe this is two issues in one.

> ping @denschub I'm all Apple for my personal hardware, sorry. That being said, the original reporter said this is working in Firefox Release, but not in Nightly. It's possible...