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:

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:

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:

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

Also very interesting is to compare Safari 12 stable to TP:

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:

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
[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:
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