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New Thunderbird Releases and New Thunderbird Staff

Thunderbird is going strong at version 52 (ESR) and 57, 58 beta In April 2017 Thunderbird released its successful Extended Service Release (ESR) version 52. This release has just seen it’s fifth “dot update” 52.5.0, where fixes, stability and minor functionality improvements were shipped. Thunderbird 57 beta was also very successful. While Thunderbird 58 is equally […]

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Thunderbird’s Future Home

Summary The investigations on Thunderbird’s future home have concluded. The Mozilla Foundation has agreed to serve as the legal and fiscal home for the Thunderbird project, but Thunderbird will migrate off Mozilla Corporation infrastructure, separating the operational aspects of the project. Background In late 2015 Mitchell Baker started a discussion on the future of Thunderbird, […]

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Thunderbird Active Daily Inquiries Surpass 10 Million!

We are pleased to report that Thunderbird usage, as reported though the standard Mozilla metric of Active Daily Inquiries (ADI), has surpassed 10 million users per day on Monday November 30 2015 for the first time ever. ADI is a raw measurement of active users, and is taken by counting the daily requests from Thunderbird […]

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Thunderbird 38 Released

Thunderbird 38 is now released (actual initial version is 38.0.1 to maintain compatibility with equivalent Firefox releases). This release has some significant new features, as well as many, many bug fixes. Some of the new features include: Calendaring is now shipped by default. This continues to be implemented as the Lightning extension, but that is […]

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Thunderbird 38 goes to beta!

The next major release of Thunderbird, version 38, is now in beta and available for testing. You may download Thunderbird 38.0b1 here. This version of Thunderbird is the first that is mostly managed by volunteer community members rather than by Mozilla staff. We have many new features, including: Message filtering when a message is sent […]

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Thunderbird Usage Continues to Grow

We’re happy to report that Thunderbird usage continues to expand. Mozilla measures program usage by Active Daily Installations (ADI), which is the number of pings that Mozilla servers receive as installations do their daily plugin block-list update. This is not the same as the number of active users, since some users don’t access their program […]

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Thunderbird Reorganizes at 2014 Toronto Summit

In October 2014, 22 active contributors to Thunderbird gathered at the Mozilla office in Toronto to discuss the status of Thunderbird, and plan for the future. As background, Mitchell Baker, Chair of the Mozilla Foundation, posted in July 2012 that Mozilla would significantly reduce paid staff dedicated to Thunderbird, and asked community volunteers to move […]

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Updated Thunderbird released today

Mozilla, a global, nonprofit organization dedicated to making the Web better, today released new versions of Mozilla Thunderbird, its free and open source email application, available for Windows, Mac, and Linux. We are happy to announce that the new Thunderbird release includes several new features and improvements, such as improved message thread management options, as […]

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