A thunderbird security update has been released for Fedora 32.

SECURITY: Fedora 32 Update: thunderbird-78.4.0-1.fc32

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Fedora Update Notification
FEDORA-2020-4ee7c84cd7
2020-11-05 01:03:56.589915
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Name : thunderbird
Product : Fedora 32
Version : 78.4.0
Release : 1.fc32
URL :   http://www.mozilla.org/projects/thunderbird/
Summary : Mozilla Thunderbird mail/newsgroup client
Description :
Mozilla Thunderbird is a standalone mail and newsgroup client.

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Update Information:

Update to latest upstream version.
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ChangeLog:

* Thu Oct 22 2020 Jan Horak - 78.4.0-1
- Update to 78.4.0 build1
* Wed Oct 7 2020 Jan Horak - 78.3.1-2
- Reenable s390x
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References:

[ 1 ] Bug #1885769 - thunderbird-78.4.0 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1885769
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-4ee7c84cd7' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys