Simon Pieters

The main dealbreaker here for `option` in `select` is that the HTML parser will throw away almost all tags in `select`. http://software.hixie.ch/utilities/js/live-dom-viewer/saved/10666 However, for the proposed `selectmenu` element this is...

Would it be correct to map inert to `aria-hidden=true`?

@Loirooriol indeed. I was thinking only for the purpose of the mapping to accessibility APIs. I believe `aria-hidden=true` is excluded from the accessibility tree, and so is is not reachable...

What's the status here?

That the IDL ``` // dynamic markup insertion [CEReactions] Document open(optional DOMString unused1, optional DOMString unused2); // both arguments are ignored WindowProxy? open(USVString url, DOMString name, DOMString features); [CEReactions] undefined...

`document.all` at least is a do-something obsolete API, not associated with a particular element. The goal is to more clearly be opinionated about the API having the same obsolete status...

The user-centric goal is to drive down usage and nudge developers towards alternative patterns that don't block the HTML parser, which should make the web less slow for users. The...

> It's not in the obsolete section. Yes it is: https://html.spec.whatwg.org/multipage/obsolete.html#dom-document-all The spec for `HTMLAllCollection` is not in the obsolete section, though, indeed. > I think MDN might be the...

I think the spec should be the source of truth for which APIs are obsolete or not obsolete, not MDN.

The `blocking=render` attribute is not yet shipped by anyone per https://chromestatus.com/feature/5452774595624960 The feature proposed in #7976 would also need to be shipped for developers to have an alternative for conditionally...