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Description of problem:
The copyright of virt-viewer tool is out of date

Version-Release number of selected component (if applicable):
virt-viewer-9.0-2.el8.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Connect to  a vm by virt-viewer.
$ virt-viewer -c qemu:///system vnc

2. Click the button "Help -> About" menu, then check the content of copyright

Actual results:
The copyright is out of date.

Copyright (C) 2007-2012 Daniel P. Berrange
Copyright (C) 2007-2014 Red Hat, Inc.

Expected results:
The copyright in virt-viewer manpage is up to date, thanks

Additional info:

$ man virt-viewer
COPYRIGHT
       Copyright (C) 2007-2020 Red Hat, Inc., and various contributors.  This
       is free software. You may redistribute copies of it under the terms of
       the GNU General Public License

I can reproduce this issue with package: 
virt-viewer-9.0-4.el8.x86_64

Then try to verify this bug with new build:
virt-viewer-9.0-5.el8.x86_64
libgovirt-0.3.7-3.el8.x86_64
qemu-kvm-4.2.0-37.module+el8.4.0+8837+c89bcfe6.x86_64

Steps:

1. Connect to  a vm by virt-viewer.
$ virt-viewer -c qemu:///system vnc

2. Click the button "Help -> About" menu, then check the content of copyright.

Results:
The copyright is up to date.
Copyright (C) 2007-2012 Daniel P. Berrange
Copyright (C) 2007-2020 Red Hat, Inc.

So I move this bug from ON_QA to VERIFIED, thanks.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (virt-viewer bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:1876