We’ve just released Thunderbird version 128, codenamed “Nebula”, our yearly stable release. So with that big milestone done, I wanted to take a moment and tell our community about the state of Thunderbird. In the past I’ve done a recap focused solely on the project’s financials, which is interesting – but doesn’t capture all of […]

We’re excited to share a new project we’ve been working on at Thunderbird called Appointment. Appointment makes it simple to schedule meetings with anyone, from friends and family to colleagues and strangers. Escape the endless email threads trying to find a suitable meeting time across multiple time zones and organizations. With Appointment, you can easily […]

In space, a supernova creates the building blocks of creation. In a nebula, those elements nurture new possibilities. Thunderbird 128 Nebula brings together and builds on the best of Supernova! Find out what’s new in our initial 2024 release.

The road to Thunderbird 115 “Supernova” has been a long one, and we’re confident you’ll love the final result. If you’re already using Thunderbird 115, you may have noticed a feature that is conspicuously absent: Thunderbird Sync.

With this year’s version, we’re delivering much more than just another yearly release. Supernova represents a modernized overhaul of the software – both visually and technically – while retaining the familiarity and flexibility you expect from Thunderbird.

We asked Jon Hicks, the creator of the original Firefox and Thunderbird logos, to re-imagine his iconic design in light of Thunderbird’s exciting future. 

Last year, our mighty donor base contributed a record-breaking amount in donations to the Thunderbird project. This was a bright, assertive sign that you want to see Thunderbird thriving. Not just in 2023, but decades into the future! 

Thunderbird 115 “Supernova” will be intuitive and welcoming to new users, while remaining familiar and comfortable for veteran users. See how we’re accomplishing that balance with a preview of the new Folder Pane.

“Why does Thunderbird look so old, and why does it take so long to change?” Let’s answer that burning question with some important history, and a look into the future.

In Thunderbird 102.7.0, we will be making some changes to the way we handle OAuth2 authorization with Microsoft accounts, and this may involve some extra work for users currently using Microsoft-hosted accounts through their employer or educational institution.

Life gets busy. That’s why the new calendar in Thunderbird Supernova is being designed to look and feel comfortable. It will help you more efficiently sift, sort, and digest all the crucial details of your day.

We understand that certain add-ons are invaluable to your workflow. So, to help you decide the best time to update your version of Thunderbird, here’s a simple way to discover if the extensions you currently have installed are compatible with Thunderbird 102.

Thunderbird 102 is here! On behalf of the entire Thunderbird team, I’m thrilled to announce the availability of our major yearly release. Thunderbird 102 is loaded with highly-requested features, and we think you’ll be delighted by them.

The wait for this year’s major new Thunderbird release is almost over! But you can test-drive many of the new features like the brand new Address Book, Matrix Chat support, import/export wizard, and refreshed visuals right now with the Thunderbird 102 Beta. Better still, you might be directly responsible for improving the final product via your feedback and bug reports.

Thunderbird 102 includes major new features for our global community of users, and we’re confident you’ll love them. Here’s a sneak peek!