by Mozilla
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Sign Up FreeMozilla Thunderbird (zh-CN) is a gecko app (v149.0.2) that uses 21 detected dependencies across 8 categories including UI Framework, Media, Compression. It is not code-signed. 324 MB on Windows (x64, x86). Last verified April 2026.
21 detected dependencies across 8 categories.
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Sign Up Free1 tracked releases since April 2026.
Last verified April 19, 2026