Get Involved
Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.
Join UsVersion 44.0beta, first offered to channel users on January 18, 2016
Use OpenStreetmap for maps (even allow the user to choose from list of map services)
Windows XP SP2 will no longer install Thunderbird (workaround: Install Thunderbird 43.0beta and update)
Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements
In the address book manager, make the contacts sidebar remember the last selected address book (1142705)