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After Monterey upgrade, I no longer get badge notification when I have unread mail | Thunderbird Support Forum | Mozilla Support
Does not badge icon with number of unread emails · Issue #10 · flathub/org.mozilla.Thunderbird · GitHub
GitHub - panique/thunderbird-unread-badge: Thunderbird add-on for displaying a unread mail count on Windows taskbar
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Thunderbird 91.0.2: option to disable the Windows Task Bar unread mail badge added - gHacks Tech News
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Birdtray Ubuntu PPA Updated With Unread Email Count And Xwayland Fixes ( Thunderbird Tray Icon) - Linux Uprising Blog
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