[webkit-dev] Huge improvement in Safari results on wpt.fyi

[Ryosuke Niwa]

Thanks for the intriguing data, Philip.

Is there a way to get a list of tests where all other browsers pass but
Safari / WebKit fail?

That would allow us to quickly identify the set of tests we can fix to
improve the interoperability across browsers right away.

- R. Niwa

On Tue, Oct 2, 2018 at 3:45 AM Philip Jägenstedt <foolip at chromium.org>
wrote:

> Hi WebKittens,
>
> Fresh off the bots, I'm excited to report more robust Safari results,
> and that Safari WPT pass rates are clearly improving! Thanks to the
> hard work of Mike Pennisi [1] we now have the first Safari 12 results:
> https://wpt.fyi/results/?sha=ee2e69bfb1&product=safari-12.0
>
> This uses the same setup as for Safari Technology Preview, which has
> been running for a while [2] and are the results you see on the
> "experimental" view:
> https://wpt.fyi/results/?label=experimental
>
> This appears much more robust than the Safari 11 data we've collected
> from Sauce Labs, and we can see a massive improvement between Safari
> 11 and 12:
>
> https://wpt.fyi/results/?sha=ee2e69bfb1&product=safari-11.1&product=safari-12.0&diff
>
> This lumps together infrastructure improvements as well as Safari
> 11->12 improvements, but improvements in service-workers/ [3] stands
> out, as well as in webdriver/, referrer-policy/, css/css-align/, and
> others. (The effect of moving away from Sauce is mainly less
> timeouts.)
>
> Also very interesting is to compare Safari 12 stable to TP:
>
> https://wpt.fyi/results/?sha=ee2e69bfb1&product=safari-12.0&product=safari-12.1&diff
>
> One can tell that work is going in canvas-related things,
> web-animations/, css/css-logical/ and more! \o/
>
> I hope you'll all find these results valuable, and please report bugs
> or feature requests here:
> https://github.com/web-platform-tests/wpt.fyi/issues
>
> P.S. We're also trying to use use these diff views to spot
> regressions. It's a bit hard to use, [4] but a fix in in progress [5]
> and I might check back here when that works. I'll append to the end of
> this email a non-exhaustive list of possible regressions already
> possible to spot.
>
> [1] https://github.com/web-platform-tests/results-collection/issues/604
> [2] https://wpt.fyi/test-runs?labels=safari,experimental
> [3]
> https://wpt.fyi/results/service-workers?sha=ee2e69bfb1&product=safari-11.1&product=safari-12.0&diff=true
> [4] https://github.com/web-platform-tests/wpt.fyi/issues/411
> [5] https://github.com/web-platform-tests/wpt.fyi/pull/609
>
> P.P.S. Possible regressions in Safari TP:
>
> https://wpt.fyi/results/css/vendor-imports/mozilla/mozilla-central-reftests/shapes1?sha=ee2e69bfb1&product=safari-12.0&product=safari-12.1
>
> https://wpt.fyi/results/service-workers/service-worker/extendable-event-async-waituntil.https.html?sha=ee2e69bfb1&product=safari-12.0&product=safari-12.1
>
> https://wpt.fyi/results/service-workers/service-worker/skip-waiting-installed.https.html?sha=ee2e69bfb1&product=safari-12.0&product=safari-12.1
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