Thunderbird 140, our latest Extended Support Release, is due next week! Watch our latest State of the Thunder for a deep dive into Thunderbird update channels. Learn the difference between yearly ESR, monthly Release, and our testing channels, Beta and Daily, how to know which one you're on, and how to change between them. We also have highlights of the features Release users have been enjoying coming to 140!

https://tilvids.com/w/uXEAMvdJEvC6QigJtTX1a8