[Webkit-unassigned] [Bug 184969] New: Eats CPU when animation on going in hidden tab

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184969

            Bug ID: 184969
           Summary: Eats CPU when animation on going in hidden tab
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bugzilla at hadess.net
                CC: bugs-noreply at webkitgtk.org

WebKitWebProcess eats about 12 to 15% CPU when this site is opened, even when it is hidden: https://www.humblebundle.com/games/capcom-sega-psn

epiphany itself yo-yos between 5 and 12% CPU. The tab should be throttled down when hidden. Both processes' CPU usage drops to a couple of percent when that tab gets closed.

webkit2gtk3-2.20.1-1.fc28.x86_64
epiphany-3.28.1.1-1.fc28.x86_64

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