いつものフライング？
今晩から明日朝にかけて来るはず。

Release Notes — Thunderbird
https://www.thunderbird.net/en-US/thunderbird/153.0.1/releasenotes/
> Version 153.0.1 | Released July 28, 2026
> ☑Fixed New Message and New Event buttons were unreadable in right-to-left locales
> ☑Fixed OpenPGP sending failed when an accepted key lacked a valid encryption subkey

Thunderbird Releases & Events
https://calendar.google.com/calendar/u/0/embed?src=c_f7b7f2cea6f65593ef05afaf2abfcfb48f87e25794468cd4a19d16495d17b6d1@group.calendar.google.com&pli=1

↓の 8/4 153.0.1esr/153.0.1 はおそらく 153.0.2esr/153.0.2 の間違いかも。
7/28 の 153.0.1 は抜けてる？

What's Happening @ MZLA - July 20th, 2026 | Topicbox
https://thunderbird.topicbox.com/groups/planning/T780de26865d35505/whats-happening-mzla-july-20th-2026
>🚢 Releases
>・Desktop Release Upcoming Milestones
>　・Jul 21: 153.0
>　・Jul 22: 153.0esr, 140.13.0esr (delayed from July 21)
>　・Jul 22: 154.0b1
>　・Jul 29: 154.0b2
>　・Aug 4: 140.13.1esr, 153.0.1esr, 153.0.1
>　・Aug 5: 154.0b3