A seamonkey security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: seamonkey-2.53.8-1.fc34

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Fedora Update Notification
FEDORA-2021-e7c868ef83
2021-07-02 01:08:16.915847
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Name : seamonkey
Product : Fedora 34
Version : 2.53.8
Release : 1.fc34
URL :   http://www.seamonkey-project.org
Summary : Web browser, e-mail, news, IRC client, HTML editor
Description :
SeaMonkey is an all-in-one Internet application suite (previously made
popular by Netscape and Mozilla). It includes an Internet browser,
advanced e-mail, newsgroup and feed client, a calendar, IRC client,
HTML editor and a tool to inspect the DOM for web pages. It is derived
from the application formerly known as Mozilla Application Suite.

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Update Information:

Update to 2.53.8 Some improvements for performance and stability. Following
the upstream and Firefox behaviour, no more use system colors (some backgrounds
etc.) by default. You can change it in Appearance-->Colors as usual.
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ChangeLog:

* Mon Jun 28 2021 Dmitry Butskoy 2.53.8-1
- update to 2.53.8
- fix irc link behaviour and websearch (mozbz#1712498, mozbz#1713458, mozbz#1713467)
- fix handling of mail attachments (mozbz#1661070)
- no more set browser.display.use_system_colors by default
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References:

[ 1 ] Bug #1971675 - F34FailsToInstall: seamonkey
  https://bugzilla.redhat.com/show_bug.cgi?id=1971675
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-e7c868ef83' 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