いつもの、来週火夜～水朝にかけて来るはず。

Release Notes — Thunderbird
https://www.thunderbird.net/en-US/thunderbird/147.0.1/releasenotes/
> Version 147.0.1 | Released January 27, 2026

Release Notes — Thunderbird
https://www.thunderbird.net/en-US/thunderbird/140.7.1esr/releasenotes/
> Version 140.7.1esr | Released January 27, 2026