The @inert attribute is getting some traction from the Google Chrome team. https://github.com/WICG/inert
<rdar://problem/13137349>
Core effort was done as part of bug 110952.
(In reply to comment #2) > Core effort was done as part of bug 110952. That patch barely touches the surface of what's needed to support `inert` in WebKit.
*** This bug has been marked as a duplicate of bug 165279 ***
Mass move bugs into the DOM component.