| March 13
| [http://www.seamonkey-project.org/releases/seamonkey2.16/changes#fixes2162 Release Notes]
|-
| Thunderbird 17.0.4
| March 11
| [https://www.mozilla.org/en-US/thunderbird/17.0.4/releasenotes/ Release Notes]
|-
| Thunderbird 17.0.4esr
| March 11
| [https://www.mozilla.org/en-US/thunderbird/17.0.4esr/releasenotes/ Release Notes]
|-
| SeaMonkey 2.16.1