Created attachment 8576729 [details] screencast of the bug User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:36.0) Gecko/20100101 Firefox/36.0 Build ID: 20150305021524 Steps to reproduce: Scroll the options list of "select" HTML element on specific webpage: http://www.oxygenxml.com/get_quote.html Actual results: Rendering of the text become broken down. Expected results: Text should stay clean
Note that the bug in testcase does not appear when Firefox window is maximized.
Could not reproduce this on latest Nightly build 46.0a1 - buildId: 20151221114259, userAgent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0. Note that I verified with the application attached at comment#1, with firefox window minimized and was not reproducible. Reporter, can you please confirm whether this issue still occurs using latest Firefox(currently Nightly 46). If it is reproducible, can you please try in safe mode or with a new profile? See details about safe mode and new profile at: http://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode http://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles
This issue is not reproducible in Firefox 43 too. I'm closing the bug.