[webkit-gtk] WebKitGTK+ VS Apple WebKit

Andrea Giammarchi andrea.giammarchi at gmail.com
Wed Jan 25 11:10:49 PST 2017

Thanks, and to confirm I have 2.14 indeed, 2.15 is in AUR as unstable and
not brebuilt.

I guess at this point I'll wait those two months :-)

Best Regards

On Wed, Jan 25, 2017 at 3:54 PM, Michael Catanzaro <mcatanzaro at igalia.com>

> On Wed, 2017-01-25 at 15:29 +0000, Andrea Giammarchi wrote:
> > If I might ask my last question: who makes the decision of "what
> > ships where"?
> Whoever is working on the feature. If the people working on the feature
> decide to enable it in WebKitGTK+, then we'll get it. If not, we'll
> never get it until someone working on WebKitGTK+ decides they want it.
> Nobody keeps track of the delta in feature differences between the two
> ports. It's certainly something that would be desirable.
> > As example, how comes Safari is shipping customElements but latest
> > WebKitGTK+ doesn't even have them behind a flag?
> Ah, I figured this out: the problem is you are testing the stable
> branch. In 2.14 there is a hidden and unsupported
> -DENABLE_CUSTOM_ELEMENTS build flag you can try using, but it might not
> be enough because it'll probably be disabled at runtime as well, and we
> have no way to enumerate or enable runtime experimental features except
> for CSS grid. We have a WebKitGTK+ experimental features environment
> variable that only covers CSS grid and does not map to the actual
> experimental features we have in WebKit. We should probably remove this
>  or fix it somehow because it's surely not working properly right now:
> it's not OK for it to only work for only one particular experimental
> feature.
> But if you're testing 2.15.3, custom elements should be enabled and
> working by default. At least I see a progress bar on the custom element
> demo page, exactly the same as in Chromium, whereas in 2.14 I don't see
> anything. So the problem is just different release cycles. We really do
> need the full six months to make sure we're releasing a stable product.
> 2.16 will be released in two months.
> Michael
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