! Date
! Notes
|-
| Thunderbird 31.0
| July 22
| [https://www.mozilla.org/en-US/thunderbird/31.0/releasenotes/ Release Notes]
|-
| Thunderbird 24.7.0
| July 22
| [https://www.mozilla.org/en-US/thunderbird/24.7.0/releasenotes/ Release Notes]
|-
| SeaMonkey 2.26.1