Thunderbird 13 Officially Lands in Ubuntu

Supports Ubuntu 12.04 LTS, Ubuntu 11.10 and Ubuntu 10.04 LTS
by Marius Nestor, June 23rd, 2012
 

Download Thunderbird 13 Final for Linux

The stable version of Mozilla Thunderbird 13 is available for download
by Marius Nestor, June 6th, 2012