Hello MArtin, you installed thunderbird from experimental.
In sid I found thunderbird version 1:60.8.0-1. So webext-tbsync is very usefull in unstable. Kind regards -- Mechtilde Stehmann ## Debian Developer ## PGP encryption welcome ## F0E3 7F3D C87A 4998 2899 39E7 F287 7BBA 141A AD7F
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