Please be advised that when I tried to download Thunderbird program using following URL, I got "404 Not Found" Error. URL has miss spelling "ja" should be "Ja-JP-mac". https://www.thunderbird.net/ja/download/ （Wrong） https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/128.4.3esr/mac/ja/Thunderbird%20128.4.3esr.dmg （Right） https://download-installer.cdn.mozilla.net/pub/thunderbird/releases/128.4.3esr/mac/Ja-JP-mac/Thunderbird%20128.4.3esr.dmg Good day!