Welcome back to the Thunderbird blog and the first post of 2026! We’re rested, recharged, and ready to keep our community updated on all of our progress on the desktop and mobile clients and with Thunderbird Pro! Hello again from the Thunderbird development team! After a restful and reflective break over the December holidays, the […]

Hello again from the Thunderbird development team! This month’s sprints have been about focus and follow-through, as we’ve tightened up our new Account Hub experience and continued the deep work on Exchange Web Services (EWS) support. While those two areas have taken centre stage, we’ve also been busy adapting to a wave of upstream platform […]

Hello again from the Thunderbird development team! As autumn settles in, we’re balancing the steady pace of ongoing projects with some forward-looking planning for 2026. Alongside coding and testing, some of our recent attention has gone into budgets, roadmaps, and setting priorities for the year ahead. It’s not the most glamorous work, but it’s essential […]

Hello again from the Thunderbird development team! As the northern hemisphere rolls into late summer and the last of the vacation photos trickle into our chat channels, the team is balancing maintenance sprints with ongoing feature-related projects. Whether you’re basking in the sun or bundled up for a southern winter, we’ve got plenty to share […]

Hello once more from the Thunderbird development team! For many of our team members, the summer has started with our annual sprint to release ESR and enjoy a little time afk, as our colleagues in the southern hemisphere hunker down for winter and power through a pile of work down under. Extended Support Release is […]

Hello from the Thunderbird development team! With some of our time spent onboarding new team members and interviewing for open positions, April was a fun and productive month. Our team grew and we were amazed at how smooth the onboarding process has been, with many contributions already boosting the team’s output. Gearing up for our […]

Hello again Thunderbird Community! It’s been almost a year since I joined the project and I’ve recently been enjoying the most rewarding and exciting work days in recent memory. The team who works on making Thunderbird better each day is so passionate about their work and truly dedicated to solving problems for users and supporting […]

Hello again Thunderbird Community! Despite the winter seeming to last forever and the world being in a state of flux, the Thunderbird team has been hard at work both in development and planning strategic projects. Here’s the latest from the team dedicated to making Thunderbird better each day: Monthly Releases are here! The concept of […]

Hello again Thunderbird Community! As January drew to a close, the team was closing in on the completion of some important milestones. Additionally, we had scoped work for our main Q1 priorities. Those efforts are now underway and it feels great to cross things off the list and start tackling new challenges. As always, you […]

Happy New Year Thunderbirders! With a productive December and a good rest now behind us, the team is ready for an amazing year. Since the last update, we’ve had some successes that have felt great. We also completed a retrospective on a major pain point from last year. This has been humbling and has provided […]

Hello Thunderbird Community! Another adventurous month is behind us, and the team has emerged victorious from a number of battles with code, quirks, bugs and performance issues. Here’s a quick summary of what’s been happening across the front and back end teams as some of the team heads into US Thanksgiving: Exchange Web Services support […]

Hello again Thunderbird Community! The last few months have involved a lot of learning for me, but I have a much better appreciation (and appetite!) for the variety of challenges and opportunities ahead for our team and the broader developer community. Catch up with last month’s update, and here’s a quick summary of what’s been […]

Hello Thunderbird Community! I’m Toby Pilling, a new team member and I’ve spent the last couple of months getting up to speed, and have really enjoyed meeting the team and members of the community virtually, and some in person! September is now over (and so is the summer for many in our team), and we’re […]