Mozilla released the next scheduled update for the Thunderbird 31 branch on Monday, December 1st with Thunderbird 31.3.0. This release addressed these issues:
- Fixes an issue where using LDAP autocomplete could end up with blank entries in the compose addressing list (Bug 1045753)
- Fixes an issue where IRC participants were not removed from the display on leaving a channel.
- Fixes a regression where Thunderbird wasn’t respecting the skip integration option on the default client dialog.
- Security fixes can be found here
Users may be prompted to update to the newest release of Thunderbird or can do so manually within Thunderbird by going to Help > About Thunderbird and following the update prompts. Users may also manually download and install the Thunderbird update via the getthunderbird.com site.
The next scheduled update for the Thunderbird 31 branch is January 6th, 2015 with Thunderbird 31.4.0.