Re: [webcomponents] Custom elements disconnected from a document should not be upgraded (#419)

> It could be made a weak set in the spec, and implementers can either implement that immediately or will wait until they see problems in practice caused by lots of unused un-upgraded elements.

As I mentioned in https://github.com/w3c/webcomponents/issues/419#issuecomment-193166006, that kind of optimization will be observably non-interoperable between browsers.

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Received on Monday, 7 March 2016 23:04:41 UTC