Our July Mobile Progress Report is here! Check out our blog to see where we are with iOS development, as well as updates to the Android app. #android #ios #thunderbird #opensource blog.thunderbird.net/2026/07/mobil…

Mobile Progress Report: July 2026 - The Thunderbird Blog

The Mobile Progress Report is back with roadmap and iOS updates, Thundermail integration, and notification improvement plans.

blog.thunderbird.net

🌱 Thunderbird 153 "Meadow" is out now! This Extended Support Release brings a redesigned Account Hub, native Microsoft Exchange support (no add-ons), desktop accent colors, and quick actions right from your notifications. Get more info here: sohub.io/tlpb #thunderbird #opensource

Thunderbird 153 "Meadow" is out now! - The Thunderbird Blog

Thunderbird 153 "Meadow" is out now!

sohub.io

Thank you for all of the recommendations but we're not replacing our mascot Roc with #Jimothy. We like him too, but there's no replacing Roc.

In case you missed it: Thundermail, our new email service, has started sending invites to Early Birds on the waitlist. Early subscribers get a real say in where our #opensource #email service goes next, and we want you along for the ride! Join the waitlist here: www.tb.pro/waitlist

One of the things we love most about our community is its passion for every detail. One of our design team recently sat down with ten of our users to learn how they use Thunderbird, and what would make using it even better! 📣 #Thunderbird #OpenSource blog.thunderbird.net/2026/07/deskt…

Desktop settings research: what we learned from your feedback - The Thunderbird Blog

Quick overview of the insights gathered from interviewing 10 users about how they manage preferences and configurations in Thunderbird desktop.

blog.thunderbird.net

Our Thundermail Early Birds have spoken and we're listening: Webmail and two-factor authentication are on the way, as well as better support for custom domains and a smoother onboarding experience. Find out more and join the waitlist! blog.thunderbird.net/2026/06/thund…

Thundermail June 2026 update: what we learned after the first few waves of invites - The Thunderbird Blog

Over the past several weeks, we have been welcoming early users from our waitlist into Thundermail, a few waves at a time. Many of you are now setting up your accounts, trying things out, and sharing your thoughts with us. Naming updates You may have noticed that we are now saying Thundermail more often, and […]

blog.thunderbird.net

We're adjusting our roadmaps and making better Android notifications our next stop. iOS development is on track, and we're grateful for our community contributors (and want you to know how to get involved). blog.thunderbird.net/2026/06/mobil…

Mobile Progress Report: June 2026 - The Thunderbird Blog

The Mobile Progress Report is back with roadmap and iOS updates, Thundermail integration, and notification improvement plans.

blog.thunderbird.net

I wrote another thing! This is the follow-up to the post I've published last month. In this one, I dive deeper into the technical aspects of supporting a new protocol - namely Exchange's EWS API - in @thunderbird.net, and what this means for the future of the project.

Supporting Exchange and beyond · Brendan Abolivier

In 2023, my team started to work on an ambitious project: supporting Microsoft Exchange in Thunderbird. In this second (and last) instalment of this duology, I'll dive deeper into the practical and t...

brendan.abolivier.bzh

How-To Geek wrote a great article about swapping Gmail's app for Thunderbird on Android: "It's a free, open-source, privacy-focused app, and it makes email feel like it used to." www.howtogeek.com/i-ditched-gma… Check out Thunderbird for Android! https://sohub.io/npmm #thunderbird #opensource

I ditched Gmail for Thunderbird, and email feels perfectly boring again

I prefer to keep my email simple.

howtogeek.com

Our new episode of Office Hours is out! We're chatting with Thunderbird contributor Bogomil about how he got involved with the project, mentorship in the open source community and more. Check out the link to watch to the full episode! youtu.be/xSXJsPIVV60?... #Thunderbird #OpenSource

I wrote a new thing! (it's been a while) I wanted to share some behind the scenes and personal thoughts around @thunderbird.net's Exchange project. Then I realised I had a *lot* to say and decided to spread this topic over two posts. The first one is out now! brendan.abolivier.bzh/exchange-pt-1/

The quest for equivalent Exchange · Brendan Abolivier

Towards the end of the summer of 2023 my team at MZLA Technologies Corp, the Mozilla Foundation subsidiary that looks after Thunderbird, started discussing a fairly ambitious project: adding support f...

brendan.abolivier.bzh

Hâte d'être de retour au @breizhcamp.org en juin ! Je serai dans l'amphi D le jeudi à 16h pour parler d'asynchrone et de typage en #Rust dans @thunderbird.net 😁 👉 www. breizhcamp.org/programme/session/1176957

Our latest Mobile Progress Report is now live on the blog! Notifications on Android? Progress on iOS? 📱 Get the full scoop: blog.thunderbird.net/2026/04/mobil… #Thunderbird #Android #iOS #OpenSource

Mobile Progress Report - April 2026 - The Thunderbird Blog

A roadmap focus on modernizing code, a commitment to improving notifications, and our continuing work on the iOS app in this month's report.

blog.thunderbird.net

Thunderbird Appointment will always be open source. Repo here: github.com/thunderbird/... Come to talk us. We'll help you move off Cal.com

"Houston, we have a solution." #Thunderbird #ArtemisII

We have a shiny new roadmap site, and an equally shiny new blog post to tell our community all about it: #Thunderbird #OpenSource blog.thunderbird.net/2026/03/intro…

Introducing our Public Roadmaps - The Thunderbird Blog

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 […]

blog.thunderbird.net

Thundercast is back! Our hosts are steering us through the roadmaps for the desktop and mobile clients. Tune in for all the information on what's coming next, and minimal backseat driving. #Thunderbird #ThunderCast #OpenSource share.transistor.fm/s/4db3895e

ThunderCast | ThunderCast - S3E1 - Roadmaps

ThunderCast, the official Thunderbird podcast is back for another season! Let's kick things off with some insights on our roadmaps and what's ahead for our desktop and email clients.User testing discussions: https://thunderbird.topicbox.com/Roadmaps: https://roadmaps.thunderbird.net/Developer...

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Community Office Hours are back! Our first guest is the new and expanded support team. From building the support foundations for Thundermail to making it easier to help Thunderbird donors and users, they're ready to help! #Thunderbird #OpenSource blog.thunderbird.net/2026/03/video…

VIDEO: Meet the New Support Team!

It's a bird! It's a plane! It's the new Thunderbird support team! Meet its new members and see how they're improving the support experience.

blog.thunderbird.net

Everything's coming up roses in Pasadena for @socallinuxexpo.bsky.social! Come visit us in the Expo Hall at booth 221 to chat with our team, learn what we're up to, and grab some stickers from: 14:00-18:00 Today 10:00-18:00 Saturday 10:00-14:00 Sunday #Thunderbird #SCaLE23x

We're excited to shine a light on Michaela Martin, the design artist behind our appeal illustrations. We chat about her background, her process, and how Roc and his world went from first sketches to final drafts. 🎨 #Thunderbird #Illustration blog.thunderbird.net/2026/03/desi...

Illustrating Roc's World: A Spotlight on Michaela Martin - The Thunderbird Blog

Design artist Michaela Martin shows us how she expanded our mascot Roc's world and brought it to vivid, illustrated life.

blog.thunderbird.net

Super excited to be speaking at @rustinparis.bsky.social next month! Catch me talk about recent work I've been doing to make @thunderbird.net's Exchange requests better organised at 3:30PM 🦀

Rust in Paris 🦀 Conf@rustinparis.bsky.social · 6mo ago

New Speakers Announcement 🚨 Rust in Paris 2026 is on. 🇫🇷🦀 📍 Paris, France — 27 March 2026 🎟️ Tickets: ti.to/xperhub/rust... If you’re building with Rust (or want to), you’ll want to be in the room. #Rust #RustLang #Paris #Developers #SystemsProgramming #OpenSource #Meetup #Conference

We have two new blog posts for your weekend reading! Our Thunderbird Development Digest keeps you updated on our continuing work to polish Exchange email support and the Account Hub, as well as our refresh of the Calendar UI: #Thunderbird #OpenSource #Email blog.thunderbird.net/2026/02/thun...

Thunderbird Monthly Development Digest: February 2026 - The Thunderbird Blog

In the first Development Digest of 2026, read reports from a successful FOSDEM, updates on Exchange and Account Hub, Calendar news and more!

blog.thunderbird.net

Get off Gmail, use Thunderbird (and soon Thundermail). www.androidpolice.com/giving-up-on...

I'm finally giving up on Gmail on Android, here's why

Life after Gmail

androidpolice.com

Want to know more about where @mozilla.org is headed? The 2025/26 State of Mozilla is live, sharing our product strategy, vision for the future and a look at some of Thunderbird’s favorite “rebel” developers, builders and engineers. Read here: stateof.mozilla.org

Heading to CHAOSSCon at @fosdem.org? Be sure to check out @linuxflower.bsky.social and Wayne Mery's Lunch and Learn on Thursday Jan 29 at 13:00 on how we're using community metrics and how we can improve! #Thunderbird #OpenSource #Community chaoss.community/chaosscon-20...

The Thunderbird team is off to rest and recharge, and come back strong on January 5! Until then: If you need community support: support.mozilla.org If you need to report a bug: bugzilla.mozilla.org If you want to suggest a feature: connect.mozilla.org See you all next year! #Thunderbird

We can't put enough gratitude in the character limit for everything our community has helped us do this year, so we wrote a recap blog. Thank you everyone who made this all happen! 💙 🙌 #Thunderbird #OpenSource blog.thunderbird.net/2025/12/thund…

It's the last Development Digest for 2025! We're celebrating our Exchange success (but not resting on our labors), sharing our Calendar UI milestones, and grateful for a community contribution to fix a 19-year-old bug! #Thunderbird #OpenSource blog.thunderbird.net/2025/12/thund…

Exchange email support has landed! We've invited members of our desktop team to Community Office Hours to give us all the details about what's in now and what's coming next! #Thunderbird #Exchange blog.thunderbird.net/2025/12/video…

We are building tech you can trust. Thank you to @ostifofficial.bsky.social and 7A Security for their collaboration on the security audit for Thunderbird Send, our end-to-end encrypted file transfer service (coming to everyone soon, open source now). blog.thunderbird.net/2025/12/thun...

Thunderbird Send Security Audit with OSTIF and 7ASecurity - The Thunderbird Blog

As we get ready for the Thunderbird Pro launch, we want every service we offer to be secure and worthy of the trust our community places in us. That means being honest about where we stand today and t...

blog.thunderbird.net