Thunderbird goes from DEB to snap in Ubuntu 24.04
https://www.linuxadictos.com/en/We-knew-it%2C-we-expected-it-and-it-is-already-in-the-daily-build-of-Ubuntu-Thunderbird%2C-only-available-as-a-Snap.html
The open secret has been confirmed: Thunderbird will be offered as a snap package in Ubuntu 24.04 when its stable version arrives.