Mozilla has released the next update on the Thunderbird 38.x branch with Thunderbird 38.4.0 on November 25th. A cached version of the release notes shows a release date of November 23rd and currently the page is bringing up a Mozilla 404 page. For those user who have Lightning installed, the add-on should auto-update to version 4.0.4 when Thunderbird is updated. Updates in this release include: Fixed issue where messages moves of multiple messages from a maildir folder to an mbox folder failed. Various security fixes Depending on their update settings may be prompted to update in the next 24-48 hours…

Thunderbird 38.4.0 was suppose to be released in early November. Here we are at almost the end of November and still no Thunderbird 38.4.0 release. Reviewing the Status Meeting Notes from the November 17th meeting this build is still ‘in progress’. Also been following the Build Notes for Thunderbird 38.4.0 which currently shows they are the third build (attempt) at releasing Thunderbird 38.4.0, but still running into issues. The next status meeting will be on November 30th and hopefully will provide some insight if there is going to be a 38.4.0 release or wait until mid December 2015 to release…

Thunderbird 38.4.0 has not yet been released. Reviewing the notes from the status meeting on November 3rd, the release was planned for around November 5th. This delay is not unusual and likely we will be seeing the Thunderbird 38.4.0 release during this coming week. While going through the meeting notes did notice bug 1211160 which had to do with ‘some’ users who updated to Thunderbird 38.3 with Lightning 4.0.3 enabled lost use of the buttons in Thunderbird. Users reported that rolling back to Thunderbird 38.2.0 resolved the issue. Other uses reported success by disabling Lightning 4.0.3 prior to updating to the…