Thunderbird 17.0.4/17.0.4esr Released

Mozilla released an emergency update for Thunderbird on March 11th, 2013 with versions 17.0.4 and 17.0.4esr. This release addresses issues in regards to security advisory MFSA 2013-29. The next scheduled releases are Thunderbird 17.0.5 and 17.0.5esr on April 2nd, 2013.