A firefox security update has been released for Fedora 34.

SECURITY: Fedora 34 Update: firefox-90.0-3.fc34

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Fedora Update Notification
FEDORA-2021-722e2543fe
2021-07-18 01:23:50.736984
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Name : firefox
Product : Fedora 34
Version : 90.0
Release : 3.fc34
URL :   https://www.mozilla.org/firefox/
Summary : Mozilla Firefox Web browser
Description :
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance and portability.

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Update Information:

New upstream version (90.0) Disabled Wayland on KDE by default due to popup
bugs.
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ChangeLog:

* Thu Jul 15 2021 Martin Stransky - 90.0-3
- Disabled Wayland backend on KDE due to
  https://bugzilla.mozilla.org/show_bug.cgi?id=1714132
* Tue Jul 13 2021 Martin Stransky - 90.0-2
- Added xorg-x11-server-Xwayland dependency for Mutter
* Mon Jul 12 2021 Martin Stransky - 90.0-1
- Updated to 90.0
* Mon Jul 12 2021 Daiki Ueno - 89.0.2-3
- flatpak: Enable loading system trust store on the host (rhbz#1766340)
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-722e2543fe' 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