[Arnaud]

Merci pour ton retour.
Alors j'ai vidé les 2 caches => pas de différence
Je te confirme que version.php est bien 2.2.21
Copie ci-dessous :

<?php
#---------------------------------------------------------------------------
# CMS Made Simple - Power for the professional, Simplicity for the end user.
# © 2004 - 2011 by Ted Kulp
# © 2011 - 2018 by the CMS Made Simple Development Team
# © 2018 and beyond by the CMS Made Simple Foundation
# This project's homepage is: https://www.cmsmadesimple.org
#---------------------------------------------------------------------------
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# Or read it online: http://www.gnu.org/licenses/licenses.html#GPL
#---------------------------------------------------------------------------
$CMS_VERSION = '2.2.21';
$CMS_VERSION_NAME = 'Sherbrooke';
$CMS_SCHEMA_VERSION = '202';

define('CMS_VERSION', $CMS_VERSION);
define('CMS_VERSION_NAME', $CMS_VERSION_NAME);
define('CMS_SCHEMA_VERSION', $CMS_SCHEMA_VERSION);

#
# EOF
#