[Webkit-unassigned] [Bug 175763] Speedometer: Update to modern Preact version

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=175763

--- Comment #12 from Addy Osmani <addyo at chromium.org> ---
> Since we're trying to estimate how real world apps behaves, not necessarily trying to measure how specific set of libraries and frameworks behave, it's not great to have these V8 specific optimizations in libraries & frameworks we include in Speedometer since it introduces a bias in our estimation.

I fully agree avoiding engine specific optimizations in frameworks would help make benchmarking efforts more deterministic. 

At the same time, I'm unsure what the best path forward is here given we know some frameworks actively do this (e.g Ember https://github.com/emberjs/ember.js/pull/15312/files do as well) in the name of perf. We can at best discourage them from doing so.

Would the preference for 175763 be that we stick to the existing version of Preact vs. upgrading to the latest?

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