! Date
! Notes
|-
| Thunderbird 31.1.2
| September 24
| [https://www.mozilla.org/en-US/thunderbird/31.1.2/releasenotes/ Release Notes]
|-
| SeaMonkey 2.29.1
| September 24
| [http://www.seamonkey-project.org/releases/seamonkey2.29/ Release Notes]
|-
| Firefox 32.0.2