A seamonkey security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: seamonkey-2.53.5-2.fc33

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Fedora Update Notification
FEDORA-2020-68ef4b6bc5
2020-11-17 01:35:09.829554
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Name : seamonkey
Product : Fedora 33
Version : 2.53.5
Release : 2.fc33
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:

Additional fixes for AV1 codec and svg icon. ---- Update to 2.53.5 AV1 media
codec now supported. Some fixes and improvements.
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ChangeLog:

* Sun Nov 15 2020 Dmitry Butskoy 2.53.5-2
- fix for av1 (mozbz#1490877)
- fix main svg icon
* Thu Nov 12 2020 Dmitry Butskoy 2.53.5-1
- update to 2.53.5
- add patch to build with system libaom and libdav1d
- add official logo icon in svg format
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References:

[ 1 ] Bug #1868764 - SeaMonkey Web Browser icon on LXQt Quick Launch bar is smaller than the rest of the icons
  https://bugzilla.redhat.com/show_bug.cgi?id=1868764
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-68ef4b6bc5' 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