Bug 187849

Summary: Support for Customized built-in elements
Product: WebKit Reporter: Frédéric Wang (:fredw) <fred.wang>
Component: DOMAssignee: Nobody <webkit-unassigned>
Severity: Normal CC: cdumez, rniwa, rwlbuis
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
URL: https://html.spec.whatwg.org/multipage/custom-elements.html#customized-built-in-element

Description Frédéric Wang (:fredw) 2018-07-20 02:18:59 PDT
I'm opening this for the record, since I did not find any entry on Bugzilla.

Testcase: https://mdn.github.io/web-components-examples/expanding-list-web-component/
Comment 1 Ryosuke Niwa 2018-07-20 10:48:46 PDT
We're not going to implement this feature for the reasons we've stated in the WebApps WG and Web Platform.
Comment 2 Ryosuke Niwa 2018-08-15 19:20:13 PDT

*** This bug has been marked as a duplicate of bug 182671 ***