March 30th, 2012
· Fix for issues when using this Add-on to hide the tabbar in TB 11.
October 11th, 2011
· Improved compatibility to other AddOns.
July 18th, 2011
· Update for Thunderbird 5.*
March 17th, 2011
· Added button to go to the messages (folder) tab, if you use this button and auto-hide the tabbar, LightningButton will hide the tabbar if there are only tabs open you added toolbar buttons for.
August 4th, 2010
· Added Convert to Task and Convert to Event buttons (thanks to Joachim Herb)
June 30th, 2010
· Version Bump for Thunderbird 3.1
April 14th, 2010
· Added new calender entry and new task button.
March 30th, 2010
· Added Feature: Now the buttons will toggle the tabs, so clicking at a button if the corresponding tab is active will close it.
March 23rd, 2010
· Bugfix: If hiding activated, the Buttons will stop working.
March 18th, 2010
· Added hiding of the default-buttons in the tab bar.