[Webkit-unassigned] [Bug 250998] [GTK] Very slow scrolling on Apple's product pages on 4K HiDPI displays

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250998

Michael Catanzaro <mcatanzaro at gnome.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mcatanzaro at gnome.org

--- Comment #3 from Michael Catanzaro <mcatanzaro at gnome.org> ---
First thing I notice is the Epiphany UI process is processing the Safe Browsing database. Wouldn't be surprised if that really slows things down until it's finished. So try turning that off in the Preferences dialog, just in case it makes any difference. (This should only happen immediately after you start Epiphany, and maybe only once per day or or some schedule? But you caught it here and it's very noticeable.)

The only other thing that looks suspicious to me is the web process spending 5% of time in libjpeg, which seems pretty high.

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