A thunderbird security update has been released for Fedora 35.

SECURITY: Fedora 35 Update: thunderbird-91.2.0-1.fc35

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Fedora Update Notification
FEDORA-2021-eaa161ca7a
2021-10-29 22:48:33.393337
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Name : thunderbird
Product : Fedora 35
Version : 91.2.0
Release : 1.fc35
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:

* Fri Oct 15 2021 Jan Horak - 91.2.0-1
- Update to 91.2.0 build1
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-eaa161ca7a' 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