Thank you for your bug report, indeed that seems similar to https://bugzilla.mozilla.org/show_bug.cgi?id=512305
In fact the thunderbird code seems a copy and mention firefox.desktop but that isn't going to be right https://sources.debian.org/src/thunderbird/1:78.4.1-1/browser/components/shell/nsGNOMEShellService.cpp/?hl=205#L205 ** Bug watch added: Mozilla Bugzilla #512305 https://bugzilla.mozilla.org/show_bug.cgi?id=512305 ** Changed in: thunderbird (Ubuntu) Importance: Undecided => High ** Changed in: thunderbird (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1903805 Title: Thunderbird snap keeps asking to be the default email client To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1903805/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
