At least on the linked blog, which uses a fancy Wordpress theme, scrolling causes us to draw old results. This is almost certainly a regression from bug 575521, and was not caught by our testsuite.
We can't release a major milestone with this bug.
blocking2.0: --- → beta8+
Created attachment 490028 [details] [diff] [review] clear the area of transparent surfaces into which we're going to draw I will come up with a testcase for this too, but this fixes the bug.
Attachment #490028 - Flags: review?(jmuizelaar)
Whiteboard: [review needed jeff]
Just to see if other cases are fixed with this, I'm seeing something similar on http://dev.w3.org/html5/websockets/ (fixed background) and in the tab bar when I scroll the overflow. I'm also seeing this in multilines <select>.
Attachment #490028 - Flags: review?(jmuizelaar) → review+
Summary: Overdrawing/not clearing when scrolling sites with transparency → Overdrawing/not clearing when scrolling sites
I filed bug 611786, is that a dup?
Created attachment 490227 [details] [diff] [review] test for bug I was able to come up with a test that reproduces the problem.
Attachment #490227 - Flags: review?(jmuizelaar)
Attachment #490227 - Flags: review?(jmuizelaar) → review+
Status: NEW → RESOLVED
Last Resolved: 7 years ago
Resolution: --- → FIXED
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