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Thunderbird 142 lands with PDF signatures, new folder options, and critical security fixes

August 20, 2025 Brian Fagioli
thunderbird logo nature background.png

Thunderbird 142.0 brings PDF signing, improved folder management, bug fixes, and critical security patches across Windows, macOS, and Linux.

Categories Open source, Software Tags CVE, email client, Linux, macOS, Mozilla, PDF signatures, security update, Thunderbird, Thunderbird 142.0, Windows Leave a comment

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