I think this [Talos regression](https://treeherder.mozilla.org/perf.html#/alerts?id=19144) is also related, as it's the same platform.
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I think this [Talos regression](https://treeherder.mozilla.org/perf.html#/alerts?id=19144) is also related, as it's the same platform. == Change summary for alert #19144 (as of Mon, 04 Feb 2019 14:23:19 GMT) == Regressions: 9% tabpaint windows7-32 pgo e10s stylo 51.34 -> 56.06 For up to date results, see: https://treeherder.mozilla.org/perf.html#/alerts?id=19144