

But it's also somewhat back in-house at Mozilla via "a growing group of paid employees" at a wholly owned Mozilla subsidiary called MZLA Technologies.

Today, Thunderbird development is still partially driven by community developers, and the project is heavily reliant on user donations. Community contributions to Thunderbird kept the project alive, but a lack of centralized oversight "resulted in an inconsistent user interface without a coherent user experience" and led to long stretches where the app wasn't being updated at all.

That decision, according to Castellani, was "a blessing and a curse" that put Thunderbird in the position it's in today. Advertisementįurther Reading Email client K-9 Mail will become Thunderbird for Android The post is also helpful if you need a refresher on the long and complicated relationship between Thunderbird and Mozilla. Supernova will also include several other big changes, including a redesigned calendar and support for Firefox Sync.īeyond news about the redesign, the blog post is worth a read if you're curious about what the team is doing to battle the software's technical debt or if you want to know why it seems like the app's development moves so slowly (the developers spend a lot of their time simply keeping up with upstream changes from Firefox since the browser still serves as the foundation for Thunderbird's email rendering). For "veteran users," the interface will also be "flexible and adaptable" so that people who prefer the way Thunderbird looks now can "maintain that familiarity they love." Castellani didn't share screenshots, but he indicated that the new UI would be "simple and clean" and targeted mostly at new users. The Supernova release will include an overhaul of Thunderbird's user interface. And it's one he seeks to answer definitively in a new blog post about Thunderbird's planned 2023 release, codenamed Supernova.

That's one of the most frequently asked questions about Thunderbird, according to Thunderbird Project Design Manager Alessandro Castellani (along with "Is Thunderbird dead?").
