I have seen this weird behaviour several times on hacker news with a nexus 7 tablet and Firefox nightly. At some point scrolling and zooming start to jump and tapping on a link dos not seem to work anymore (actually it sometimes dos but then it touches a link that is somewhere else on the screen). If I zoom out a lot, I see that the page is rendered twice with different a scroll and zoom, the two versions overlapping each other (less overlap as I zoom out). If I zoom in and try to scroll, I see some content but scrolling in some directions seems to be blocked by the other version of the page already being at the limit, so the pages scrolls back like with the usual overscroll behaviour.
Summary: Pages are render twice at the same time with different scales → Pages are rendered twice at the same time with different scales
Status: NEW → RESOLVED
Last Resolved: 7 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 778580
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