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Desktop Calendar: A Design Journey

Hello, Thunderbird community and followers of the blog! This is Jesse from the design team. Today’s post is about our recent journey in redesigning the calendar portion of Thunderbird, and what you can expect us to deliver in the near future. The calendar is a key part of any productivity toolset, from your PC Desktop […]

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Mobile Progress Report: July 2026

Thunderbird Mobile is moving forward with large steps on both platforms we support. On iOS, we’re working on the very foundation of a new app—our first built from scratch—and continuing to make progress in bringing the Thunderbird for iOS app to the App Store. For Android, it’s a matter of updating what we have in […]

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Thunderbird 153 “Meadow” is out now!

As we head into the summer months, a new Extended Support Release (ESR) is in full bloom. Thunderbird 153 “Meadow” is out now, and from all of us at MZLA, the Thunderbird Council, and our global community of contributors, we can’t wait for you to try it out. “Meadow” builds on Thunderbird 140 “Eclipse,” along […]

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Community Office Hours: A Thundermail Update

Our Community Office Hours series is all about connecting with the people behind Thunderbird and our products, and sharing the work that’s happening behind the scenes. These conversations are a chance to learn more about the direction of our projects and to hear directly from the people making it happen. In this episode, we are […]

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Thunderbird Monthly Development Digest: June 2026

Welcome back from the Thunderbird development team! The past few months have been exceptionally busy across the project. As we approach the midpoint of the year, we’ve been focused on a mixture of delivering user-facing features, investing in long-term architectural improvements, and preparing for the next ESR cycle. A significant amount of effort has gone […]

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Mobile Progress Report: June 2026

The past month was busy; the theme was evolution. We went into this quarter with our own ideas for what we wanted to accomplish. However, our users had better ideas. With the release of Thunderbird’s own mail service, Thundermail, the need for a better account settings import process across our services and apps became vital. […]

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Community Office Hours: Contributor Spotlight on Bogomil Shopov

If you have ever used Thunderbird in Bulgarian, the subject of this month’s office hours is one of the contributors who made that possible! Office Hours hosts Heather and Monica have been lucky enough to chat with long-time localizer Bogamil Shopov at conferences like FOSDEM. Now, they’re sitting down to talk to him about how […]

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Thunderbird Pro April 2026 Update

One of the most exciting aspects of bringing Thunderbird Pro to life is the opportunity to build an email service from Thunderbird together with our community, giving users the control and freedom they expect without relying on third party email service providers. Over the past few months, we’ve been checking in with our community through […]

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Mobile Progress Report – April 2026

It’s been a very busy couple of months as we’ve reworked processes & priorities and established a roadmap for both iOS and Android.  We are determining how best we can coordinate with the community, and think that our roadmap for the year has a good balance of fixes and features.  Today, I want to talk […]

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Thunderbird Monthly Development Digest: March 2026

Welcome back from the Thunderbird development team! Reflecting back, the first quarter of the year has been a mix of deep technical focus and forward-looking planning. Much of the team’s energy has gone into tackling some of the more complex, “gnarly” parts of our projects to land key milestones. In parallel, we’ve been laying the […]

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Introducing our Public Roadmaps

At Thunderbird, we firmly believe in the strength of listening to our community’s needs and wants, and balancing it with our resources and capabilities. While this has always been part of our ethos, we want to start 2026 by making our goals easier to read and comprehend at roadmaps.thunderbird.net, where you will find our roadmaps […]

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VIDEO: Meet the New Support Team!

Welcome to the first Community Office Hours of 2026! We’re all recovered from conferences in Brussels and California, and we’re talking to members of one of our newest teams: Support. Wait, hasn’t Thunderbird always had a support team? Surprisingly, no! We’ve had individual staff members responsible for different parts of our support efforts, but never […]

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Illustrating Roc’s World: A Spotlight on Michaela Martin

Thunderbird’s mascot, Roc, is a bit of an unsung hero. If you’ve ever donated to the project, he’s the happy blue bird who thanks you for supporting our work. For the 2024 End of Year appeal, the Thunderbird team commissioned design artist Michaela Martin to broaden Roc’s world. Her whimsical illustration, which is also available […]

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