| | 10910 | Default page size for printing is letter | | Medium | Triaged | 63 | 6 | 414 | None |
| | 927515 | Thunderbird stuck at 100% CPU | | High | Confirmed | 42 | 3 | 244 | None |
| | 1025935 | Thunderbird 14.0 scrollbars have a wrong background [regression] | | Undecided | Confirmed | 40 | 2 | 220 | None |
| | 1068921 | Mailbox grows endlessly, heavy traffic | | High | Triaged | 47 | 0 | 216 | None |
| | 957922 | Thunderbird's messaging menu highlight helps some people but not many | | Low | Confirmed | 22 | 1 | 126 | Chris Coulson |
| | 867424 | Oneric: On boot up Firefox always displays the “Well, This Is Embarrassing” screen. | | High | Triaged | 13 | 3 | 106 | None |
| | 1074260 | Thunderbird heavy IMAP traffic downloading messages | | Undecided | Confirmed | 19 | 0 | 98 | None |
| | 841566 | Can not open Ubuntu One address book: "book backend is opening" | | Undecided | Confirmed | 18 | 0 | 86 | None |
| | 893992 | Messaging Indicator does not go blue on new mail in Thunderbird | | Undecided | Confirmed | 18 | 0 | 80 | None |
| | 856642 | launcher icon shows wrong number of new messages | | Undecided | Confirmed | 13 | 0 | 62 | None |
| | 961826 | Pressing AltGR key opens http://support.mozillamessaging.com in Message Compose Window under Turkish locale | | Undecided | Confirmed | 12 | 0 | 52 | None |
| | 748764 | npviewer flash video is blocky | | Undecided | Confirmed | 30 | 0 | 158 | None |
| | 1168152 | package kubuntu-firefox-installer 12.04ubuntu1 [modified: usr/share/applications/firefox.desktop] failed to install/upgrade: Versuch, »/usr/share/applications/firefox.desktop« zu überschreiben, welches auch in Paket firefox 20.0+build1-0ubuntu1 ist | | Undecided | Confirmed | 15 | 10 | 150 | None |
| | 728778 | adobe flash player plugin always crashes on youtube | | Medium | Confirmed | 24 | 3 | 146 | None |
| | 931637 | Firefox 10.0.1 crashes when trying to enter a command on the Web Console | | Undecided | Confirmed | 24 | 1 | 138 | None |
| | 867424 | Oneric: On boot up Firefox always displays the “Well, This Is Embarrassing” screen. | | High | Triaged | 13 | 3 | 106 | Chris Coulson |
| | 1097763 | Firefox 18 anti-aliasing does not render correctly some text | | Undecided | Fix Committed | 23 | 0 | 106 | None |
| | 858466 | Ubuntu 11.10 Audio Problems with Browsers. | | Undecided | Confirmed | 16 | 0 | 98 | None |
| | 1064474 | Firefox high cpu usage | | Undecided | Confirmed | 19 | 0 | 90 | None |
| | 534760 | firefox tooltips are inconsistent | | Low | Confirmed | 13 | 3 | 88 | None |
| | 739405 | Resize grip drawing over scrollbar arrow button | | Medium | Triaged | 11 | 4 | 88 | None |
| | 918019 | Firefox does not use default application to open binary files | | Undecided | Confirmed | 18 | 0 | 82 | None |
| | 742475 | Firefox does not use Ubuntu Notifications | | Undecided | Confirmed | 17 | 0 | 80 | None |
| | 871325 | Implement Unity Launcher API in Firefox for downloads' progress and quicklist | | Low | Confirmed | 16 | 0 | 78 | None |
| | 749335 | Explore options for tab integration with Unity top bar | | Undecided | Confirmed | 13 | 0 | 70 | None |
| | 1020198 | Drop downs, drag-and-drop and right click menus don't work with Mozilla ff/tb 14.0 | | Undecided | Confirmed | 9 | 2 | 70 | None |
| | 808254 | Failed to open VDPAU backend libvdpau_nvidia.so | | Undecided | Confirmed | 12 | 0 | 56 | None |
| | 1160569 | firefox prints warning to stdout when started from terminal | | Low | Triaged | 10 | 1 | 54 | None |
| | 715590 | Scrolling and clicking links are slow | | High | Confirmed | 10 | 1 | 52 | None |
| | 1124870 | Global Menu Appmenu Not working | | Critical | Triaged | 7 | 0 | 40 | Chris Coulson |
| | 891707 | java webstart creates infinite open windows, desktop DoS | | High | Triaged | 6 | 0 | 28 | Chris Coulson |
| | 1170039 | Please merge Firefox desktop translations | | High | Triaged | 2 | 0 | 12 | None |
| | 1165040 | dom/workers/test/test_suspend.html and dom/tests/mochitest/general/test_framedhistoryframes.html mochitest timeouts starting between 22.0~a1~hg20120329r126606 and 23.0~a1~hg20130401r126857 | | High | Triaged | 1 | 0 | 6 | None |
