Re: [w3c/webcomponents] [idea] [shadow-dom] Provide a version number on shadow roots so they can be distinguished. (#610)

Why bother supporting v0 in your library? It's not widely implemented and
you'll likely be supporting browsers with no shadow DOM long after market
share of v0-only browsers has dwindled to nothing.

Adding a version identifier isn't very useful beyond detecting v0 as future
versions will always be backwards compatible and feature detection is the
best way to work with new specs.

On Fri, 2 Dec 2016, 23:24 Joseph Orbegoso Pea, <notifications@github.com>
wrote:

> I'd also like to suggest that since a non-standard feature is shipped,
> shipping an additional non-standard feature for detecting differing
> versions of the first non-standard feature would also be highly appreciated
> in light of the fact that living real world applications might be using one
> version or the other.
>
> On Nov 28, 2016 5:53 AM, "Domenic Denicola" <notifications@github.com>
> wrote:
>
> > Furthermore, we generally don't add features to the standard to work
> > around the fact that one vendor ships a nonstandard API.
> >
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