I don't see this nearly as obvious, but with and without webrender I can spot small alignment issues when scrolling. I've slowed down the GIF considerably to show the effect. This is on a high performance machine.
Bug 1616593 Comment 12 Edit History
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I don't see this nearly as obvious, but with and without webrender I can spot small alignment issues when scrolling. I've slowed down the GIF considerably to show the effect. This is on a high performance machine running Windows 10.