bug#42406: Mouse-wheel scrolling can be flickering

[Alan Third]

On Tue, Dec 15, 2020 at 03:06:03PM +0100, Konrad Podczeck wrote:
> Just to clarify, despite of the title of this bug, it is not a
> flickering, but the mouse-wheel scrolling preformance decreases with
> the number of open frames, in the sense that it becomes more and
> more sticky.

I don't think the attached patch will fix this, but it may improve
things a little. Can you please try it?

-- 
Alan Third

0001-Improve-drawing-performance-on-macOS.patch
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