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Editorial Team
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Asked: 2026-06-11T17:13:36+00:00

I have problems with poor scrolling performance in iOS6 UIWebView component..In iOS5 scrolling was

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I have problems with poor scrolling performance in iOS6 UIWebView component..In iOS5 scrolling was really fluid, though. So I have searched the web little bit and found this (part of iOS6 beta changelog).

WebKit no longer always creates hardware-accelerated layers for elements with the -webkit-transform: preserve-3d option. Authors should stop using this option as a way to get hardware acceleration.

That could be the reason, since the html site my app displays uses lots of css3 transformations..
Please have anyone a solution or advice how to force webview switch back to accelerated rendering model?

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1 Answer

  1. Editorial Team

    UIWebView still does hardware acceleration if you use a 3D transform (e.g. -webkit-transform: translateZ(0)). It just no longer does if you only use -webkit-transform-style: preserve-3d.

    If you have an example that is doing 3D transforms, but got slower with iOS 6, you should report it at Apple’s Bug Reporter.

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