Mozilla Firefox 46.0.1 Lands in the Ubuntu Repos, But No Sign of Thunderbird 45

Both Mozilla Firefox 46.0.1 and Mozilla Thunderbird 38.8.0 updates are now live in the main software repositories of the Ubuntu 16.04 LTS (Xenial Xerus), Ubuntu 15.10 (Wily Werewolf), Ubuntu 14.04 LTS (Trusty Tahr), and Ubuntu 12.04 LTS (Precise Pangolin) operating systems, so update your OS as soon as possible to install them.