When dragging the canvas, UI stutters under macOS

When dragging the canvas, UI stutters

This problem is very obvious when I use a discrete graphics card.

I tried different MAC system versions as well
macOS 10.14/10.13.6/10.12.6/10.11.6

MacBook Pro (Retina, 15-inch, Early 2013)
Intel HD Graphics 4000
NVIDIA GeForce GT 650M with 1GB of GDDR5 memory

The same computer does not have this problem under windows10

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Hi JudyC!

This sounds like a known issue we have on file where scrolling/dragging performance on the Mac version of the 9 beta is slower than compared to Axure RP 8. Our users have reported the scroll performance is improved when using lower resolutions, e.g. external monitors rather than the Mac’s retina display, if you wanted to give that a try for now (though we realize this isn’t ideal).

But I don’t understand why when using a discrete graphics card(GT 650M), more stutters than when using an integrated graphics card(HD4000).

GT 650M theoretical performance is much higher than HD4000

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I can confirm this bug. I’m on a late 2015 iMac 5K 27" and the dragging makes the app totally unusable. I get maybe 1-2 frames per second in your “demo” wirefame. Performing the same action on my external low-res monitor has the performance on par with Axure 8.