https://www.thunderbird.net/en-US/thunderbird/78.8.0/releasenotes/ Security Vulnerabilities fixed in Thunderbird 78.8 - Mozilla Foundation Security Advisory 2021-09

m_m さん お知らせありがとうございます https://www.mozilla.org/en-US/firefox/86.0/releasenotes/ Security Vulnerabilities fixed in Firefox 86 - Mozilla Foundation Security Advisory 2021-07