This is what i get with Nightly: https://share.firefox.dev/41u3H7b I also very quickly (after 1-2 scrolls) get this in gfx-log: GP+[GFX1-]: Video swapchain present is slow I dont know how significant this is. Ni? you in case you have any thought.
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This is what i get with Nightly: https://share.firefox.dev/41u3H7b I also very quickly (after 1-2 scrolls) get this in gfx-log: GP+[GFX1-]: Video swapchain present is slow So in summary: On the first scroll, there is a small stutter. Then i guess the "slow swapchain" mechansim kicks-in and scrolling becomes smooth. I dont know how significant this is. Ni? you in case you have any thought.