[Webkit-unassigned] [Bug 105843] New: Transitions weird rendering bugs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=105843

           Summary: Transitions weird rendering bugs
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
               URL: http://jsfiddle.net/ELKTb/1/
        OS/Version: Mac OS X 10.8
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: m.goleb+bugzilla at gmail.com


Created an attachment (id=180908)
 --> (https://bugs.webkit.org/attachment.cgi?id=180908&action=review)
A video showing two issues - left-over lines and flickering of the non-transitioned element

Look at provided jsFiddle and hover the left element a few times. You'll see left-over lines being left as the element transitions its top position.

I couldn't really reduce it much further - a lot of things are important - the ".bookmark" element having opacity transitioned, width, height & left being non-integer, hidden overflow etc.

I don't know why but this jsFiddle doesn't show the second issue I have if I open the local site with provided code - the right element flickers when you hover the left one (see attached video).

I can reproduce it in both Webkit Nightly and Chrome Canary. Chrome stable & Safari 6.0.2 doesn't exhibit the issue, the code works correctly in Firefox & Opera, too.

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