A thunderbird security update has been released for Fedora 32.

SECURITY: Fedora 32 Update: thunderbird-78.6.0-1.fc32

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Fedora Update Notification
FEDORA-2020-b9644a6038
2020-12-27 01:15:50.015837
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Name : thunderbird
Product : Fedora 32
Version : 78.6.0
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:

* Tue Dec 15 2020 Jan Horak - 78.6.0-1
- Update to 78.6.0 build1
* Mon Dec 14 2020 Martin Stransky - 78.5.0-2
- Added fix for rhbz#1907267 (Thunderbird on Wayland launcher
does not show up as 'running' in the dash)
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References:

[ 1 ] Bug #1903389 - thunderbird-78.6.0 is available
  https://bugzilla.redhat.com/show_bug.cgi?id=1903389
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-b9644a6038' 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