Web browser super low fps

Development Platform & Builds Debugging, Optimization, & Profiling
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I was able to figure out how to override UWebBrowser with a higher frame rate:

		WebBrowserWidget = SNew(SWebBrowser)
			.InitialURL(InitialURL)
			.ShowControls(false)
			.ShowInitialThrobber(false)
			.SupportsTransparency(bSupportsTransparency)
			.OnUrlChanged(BIND_UOBJECT_DELEGATE(FOnTextChanged, HandleOnUrlChanged))
			.OnBeforePopup(BIND_UOBJECT_DELEGATE(FOnBeforePopupDelegate, HandleOnBeforePopup))
			.OnConsoleMessage(BIND_UOBJECT_DELEGATE(FOnConsoleMessageDelegate, HandleOnConsoleMessage))
			.BrowserFrameRate(600);

Unfortunately though, the frame rate is still really low. In fact when the browser elements start to move in any way (such as an animation) the frame rate tanks.

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