152.0/140.12.0esr
今晩から明日の朝にかけて来る予定。

Release Notes — Thunderbird
https://www.thunderbird.net/en-US/thunderbird/152.0/releasenotes/
> Version 152.0 | Released June 16, 2026

Release Notes — Thunderbird
https://www.thunderbird.net/en-US/thunderbird/140.12.0esr/releasenotes/
> Version 140.12.0esr | Released June 16, 2026