: Index of /pub/thunderbird/releases/78.14.0/ . Installation Files : Windows (64-bit) : win64/en-US/ . macOS : mac/en-US/. Linux : linux-x86_64/en-US/. Key Features of the 78.x Series

Thunderbird 78.14.0, released on , was the final maintenance update for the Thunderbird 78 series. While newer versions like Thunderbird 115 and 128 offer modernized interfaces and enhanced security, version 78.14.0 remains a critical choice for users on legacy systems or those requiring compatibility with older "MailExtension" add-ons. Where to Download Thunderbird 78.14.0 Safely

Version 78 was a milestone update that introduced several core features still present in the modern client: Version 78.14.0 - Release Notes — Thunderbird