[Bug 711305] Re: Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system. Error received when clickin

I can confirm this issue is still present in Thunderbird 31.3.0 on Ubuntu 12.04 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/711305 Title: Thunderbird is already running, but is not responding. To

[Bug 515057] Re: does not remember the adjustments of extra pane

I would like to add my vote as well to this issue. I often use split-panel mode to transfer files and compare directories. It is quick, easy, and built-in. I do not see what the problem is with making this an option so that those who wish for the split-panel view to be the default behavior can do