After each major update there is always some people who are confused by the numbering scheme used for Thunderbird. Common question is why did the version number just jump up by 7? Thunderbird follows the Firefox ESR release numbering which means there is major release every 48 weeks or 7 regular updates of Firefox/Gecko. So, next big update will be Thunderbird 45 in March 2016. This is the tentative schedule for the next year: June 30th: Thunderbird 38.1.0 (Gecko 39) August 11th: Thunderbird 38.2.0 (Gecko 40) September 22nd: Thunderbird 38.3.0 (Gecko 41) November 3rd: Thunderbird 38.4.0 (Gecko 42) December 15th: Thunderbird 38.5.0…
Thunderbird 38.0.1
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First, updates from Thunderbird 31.7.0 to Thunderbird 38.0.1 via Help > About Thunderbird are now active as I just updated one my machines. Important to note you must have 31.7.0 (released May 12th) in order to update to Thunderbird 38.0.1 as the machine only had Thunderbird 31.6.0 on it. After updating to 31.7.0 then it download the full 30+ MB update for Thunderbird 38.0.1 version. In regards to the version numbering. Thunderbird 38 was suppose to be released on May 12th (same day as Firefox 38), but due to complications Mozilla could not release the full version of Thunderbird 38….
Mozilla has released the next major update for Thunderbird with the release of Thunderbird 38.0.1 on June 11th. Note, there was NOT a Thunderbird 38.0.0 release due to several bugs (which were addressed and fixed with the 38.0.1 release). Currently the new release is only available via download and manual install from the getthunderbird.com site. Automatic and manual (Help > About Thunderbird) updates are not currently enabled for this release yet (allow 24-72 hours for those updates methods to become available). Some of the new changes with Thunderbird 38.0.x: Lightning (Calendar) add-on is now included and enabled by default (with the option…