User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:2.0b11) Gecko/20100101 Firefox/4.0b11 Build Identifier: Mozilla/5.0 (Windows NT 6.1; rv:2.0b11) Gecko/20100101 Firefox/4.0b11 If I pin www.twitter.com as a App tab, then everytime I start Firefox, exit from Private browsing, App tab background is highlighted, as if new tweet there would be appeared but there isn't changed anything. Reproducible: Always Steps to Reproduce: 1.Switch to Twitter's app tab. 2.Switch back to your current tab. Actual Results: Twitter tab isn't highlighted anymore.
Could you see if the issue occurs... - With a new, empty profile: http://support.mozilla.com/en-US/kb/Basic%20Troubleshooting#w_make-a-new-profile - Using the latest nightly: http://nightly.mozilla.org/ (I'd try to reproduce, but I don't have a Twitter account out of principal!)
I renamed firefox.exe, used latest Minefield, but problem still occurs.
And the new profile?
Apparently new profile fixes it.
It's possible it was an addon causing the problem. Could you try disabling addons one by one and seeing which caused it?
Disabled all addons, problem still here.
I'm not able to reproduce the problem when toggling private browsing mode. I did see the problem when restarting the browser. No new tweets were in the list, but the app tab was highlighted. I'm don't know if that's a problem, though.
(In reply to comment #7) > I'm not able to reproduce the problem when toggling private browsing mode. I > did see the problem when restarting the browser. No new tweets were in the > list, but the app tab was highlighted. I'm don't know if that's a problem, > though. Highlighted background is a problem, because it shows that you have a new event, when you don't.
(In reply to comment #6) > Disabled all addons, problem still here. I would propose you backup your profile and delete the prefs.js and start Firefox. I assume that a user pref is responsible for that behavior.
Nope, still starts with highlighted twitter tab.
Hm, could be that a specific value has been stored in the sessionstore.js. Please remove that file while Firefox is closed, then recreate the twitter app tab, and repeat the test.
Does't help either.
Then please start to delete files from the profile while Firefox is closed. One of the files in the profile is the cause and we have to find it. Another suspicion would be localstore.rdf.
Also can you please add a screenshot? Thanks.
Created attachment 514744 [details] Highlighted tab. Shows the highlight, which appears when starting, toggling private mode. It indicates new events. Facebook has this feature too, but Facebook works good, it doesn't highlight on toggle, start of browser, but Twitter does.
Ok, I can reproduce it even with a fresh profile for leaving PB mode and the application restart. Checking existing bugs I have found bug 605111 which already covers the same issue.