It is important to note that while the Earlybird alpha can be installed alongside an existing copy of Thunderbird, installing the beta will overwrite any stable version that is already installed. The problem with alpha software is that it can often be unstable, but by opting to work with the beta version of Thunderbird, you get the best of both worlds a sneak peak at what is to come in future versions, but nothing so experimental that it is unreliable.

At any one time there are three different versions of Thunderbird available – the stable release, the beta version of the following release (this version of the application), and the alpha preview of the subsequent version called Earlybird.įor day to day use, it is recommended that most people stick with the stable release that is made available in the standard release channels, while those who like to live right on the cutting edge and experience all the latest feature may like to take a look at the Earlybird alpha. Just as Firefox has been moved onto an accelerated release schedule, so Mozilla has increase the speed at which updates are released for its email client, Thunderbird.

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