Just like our software, the current (and yes, beloved) Thunderbird logo has seen small, iterative improvements throughout the last 20 years. But now the software is evolving into something more modern, and we believe it deserves a fresh logo that properly represents this revitalization.

Introducing the brand new Thunderbird logo, designed by the creator of the original #Firefox and #Thunderbird logos, @jonhicks 🎉

https://blog.thunderbird.net/2023/05/introducing-the-brand-new-thunderbird-logo/