Revert "Update commercial license headers"v5.15.3-lts-lgpl

This reverts commit d480e17ae84e1fb053db3de7b39da1bbbb455632.

Revert of commercial license headers is required for Qt 5.15.3
opensource release.

Task-number: QTBUG-91108
Change-Id: Ib01d53a31196f00d01544d172a77d9da38280d90
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>

72 files changed, 792 insertions, 792 deletions

diff --git a/src/datavisualization/data/abstractitemmodelhandler.cpp b/src/datavisualization/data/abstractitemmodelhandler.cpp
index 22e2103d..aad01cd3 100644
--- a/src/datavisualization/data/abstractitemmodelhandler.cpp
+++ b/src/datavisualization/data/abstractitemmodelhandler.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/abstractitemmodelhandler_p.h b/src/datavisualization/data/abstractitemmodelhandler_p.h
index d0de864e..20dceac3 100644
--- a/src/datavisualization/data/abstractitemmodelhandler_p.h
+++ b/src/datavisualization/data/abstractitemmodelhandler_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/abstractrenderitem.cpp b/src/datavisualization/data/abstractrenderitem.cpp
index d672fc1d..8a932e3f 100644
--- a/src/datavisualization/data/abstractrenderitem.cpp
+++ b/src/datavisualization/data/abstractrenderitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/abstractrenderitem_p.h b/src/datavisualization/data/abstractrenderitem_p.h
index cbd005aa..28755d61 100644
--- a/src/datavisualization/data/abstractrenderitem_p.h
+++ b/src/datavisualization/data/abstractrenderitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/baritemmodelhandler.cpp b/src/datavisualization/data/baritemmodelhandler.cpp
index 5665458d..182a6247 100644
--- a/src/datavisualization/data/baritemmodelhandler.cpp
+++ b/src/datavisualization/data/baritemmodelhandler.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/baritemmodelhandler_p.h b/src/datavisualization/data/baritemmodelhandler_p.h
index cba20ef5..b297c5ab 100644
--- a/src/datavisualization/data/baritemmodelhandler_p.h
+++ b/src/datavisualization/data/baritemmodelhandler_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/barrenderitem.cpp b/src/datavisualization/data/barrenderitem.cpp
index 88d9e952..23e3f13c 100644
--- a/src/datavisualization/data/barrenderitem.cpp
+++ b/src/datavisualization/data/barrenderitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/barrenderitem_p.h b/src/datavisualization/data/barrenderitem_p.h
index 0f139bc0..c421d871 100644
--- a/src/datavisualization/data/barrenderitem_p.h
+++ b/src/datavisualization/data/barrenderitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/customrenderitem.cpp b/src/datavisualization/data/customrenderitem.cpp
index 300e09d0..acdd27fe 100644
--- a/src/datavisualization/data/customrenderitem.cpp
+++ b/src/datavisualization/data/customrenderitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/customrenderitem_p.h b/src/datavisualization/data/customrenderitem_p.h
index 4d2c5df2..abf6e106 100644
--- a/src/datavisualization/data/customrenderitem_p.h
+++ b/src/datavisualization/data/customrenderitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/labelitem.cpp b/src/datavisualization/data/labelitem.cpp
index ffb16f55..9fa2e6b5 100644
--- a/src/datavisualization/data/labelitem.cpp
+++ b/src/datavisualization/data/labelitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/labelitem_p.h b/src/datavisualization/data/labelitem_p.h
index ab7e83c4..788dffde 100644
--- a/src/datavisualization/data/labelitem_p.h
+++ b/src/datavisualization/data/labelitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstract3dseries.cpp b/src/datavisualization/data/qabstract3dseries.cpp
index 82ea80eb..42579f62 100644
--- a/src/datavisualization/data/qabstract3dseries.cpp
+++ b/src/datavisualization/data/qabstract3dseries.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstract3dseries.h b/src/datavisualization/data/qabstract3dseries.h
index a0c38969..80cb52c3 100644
--- a/src/datavisualization/data/qabstract3dseries.h
+++ b/src/datavisualization/data/qabstract3dseries.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstract3dseries_p.h b/src/datavisualization/data/qabstract3dseries_p.h
index 4fafbd10..0762386f 100644
--- a/src/datavisualization/data/qabstract3dseries_p.h
+++ b/src/datavisualization/data/qabstract3dseries_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstractdataproxy.cpp b/src/datavisualization/data/qabstractdataproxy.cpp
index 58368c08..a9703e02 100644
--- a/src/datavisualization/data/qabstractdataproxy.cpp
+++ b/src/datavisualization/data/qabstractdataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstractdataproxy.h b/src/datavisualization/data/qabstractdataproxy.h
index 74454aad..d0260684 100644
--- a/src/datavisualization/data/qabstractdataproxy.h
+++ b/src/datavisualization/data/qabstractdataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qabstractdataproxy_p.h b/src/datavisualization/data/qabstractdataproxy_p.h
index 0d8a09ed..abe1f4ce 100644
--- a/src/datavisualization/data/qabstractdataproxy_p.h
+++ b/src/datavisualization/data/qabstractdataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbar3dseries.cpp b/src/datavisualization/data/qbar3dseries.cpp
index 5f7e1220..54b973e8 100644
--- a/src/datavisualization/data/qbar3dseries.cpp
+++ b/src/datavisualization/data/qbar3dseries.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbar3dseries.h b/src/datavisualization/data/qbar3dseries.h
index ae4c918c..07a98ad5 100644
--- a/src/datavisualization/data/qbar3dseries.h
+++ b/src/datavisualization/data/qbar3dseries.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbar3dseries_p.h b/src/datavisualization/data/qbar3dseries_p.h
index 67e02823..ba11a739 100644
--- a/src/datavisualization/data/qbar3dseries_p.h
+++ b/src/datavisualization/data/qbar3dseries_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataitem.cpp b/src/datavisualization/data/qbardataitem.cpp
index 7af4264b..5827cf42 100644
--- a/src/datavisualization/data/qbardataitem.cpp
+++ b/src/datavisualization/data/qbardataitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataitem.h b/src/datavisualization/data/qbardataitem.h
index 44e3c01a..a8eef517 100644
--- a/src/datavisualization/data/qbardataitem.h
+++ b/src/datavisualization/data/qbardataitem.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataitem_p.h b/src/datavisualization/data/qbardataitem_p.h
index 579a6ef3..11dad9bf 100644
--- a/src/datavisualization/data/qbardataitem_p.h
+++ b/src/datavisualization/data/qbardataitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataproxy.cpp b/src/datavisualization/data/qbardataproxy.cpp
index 21e2c2b9..14f36253 100644
--- a/src/datavisualization/data/qbardataproxy.cpp
+++ b/src/datavisualization/data/qbardataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataproxy.h b/src/datavisualization/data/qbardataproxy.h
index 56452f94..2ea9947b 100644
--- a/src/datavisualization/data/qbardataproxy.h
+++ b/src/datavisualization/data/qbardataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qbardataproxy_p.h b/src/datavisualization/data/qbardataproxy_p.h
index 30ab42df..04d9dc1d 100644
--- a/src/datavisualization/data/qbardataproxy_p.h
+++ b/src/datavisualization/data/qbardataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3ditem.cpp b/src/datavisualization/data/qcustom3ditem.cpp
index 567bb0cc..11df7750 100644
--- a/src/datavisualization/data/qcustom3ditem.cpp
+++ b/src/datavisualization/data/qcustom3ditem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3ditem.h b/src/datavisualization/data/qcustom3ditem.h
index 86aa7a8e..0fbc1926 100644
--- a/src/datavisualization/data/qcustom3ditem.h
+++ b/src/datavisualization/data/qcustom3ditem.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3ditem_p.h b/src/datavisualization/data/qcustom3ditem_p.h
index 013ba4c7..d99db35a 100644
--- a/src/datavisualization/data/qcustom3ditem_p.h
+++ b/src/datavisualization/data/qcustom3ditem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dlabel.cpp b/src/datavisualization/data/qcustom3dlabel.cpp
index c59ebe4a..5cc0a0e4 100644
--- a/src/datavisualization/data/qcustom3dlabel.cpp
+++ b/src/datavisualization/data/qcustom3dlabel.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dlabel.h b/src/datavisualization/data/qcustom3dlabel.h
index 7486d75f..fdfcb9f9 100644
--- a/src/datavisualization/data/qcustom3dlabel.h
+++ b/src/datavisualization/data/qcustom3dlabel.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dlabel_p.h b/src/datavisualization/data/qcustom3dlabel_p.h
index d0350f99..c0608ec4 100644
--- a/src/datavisualization/data/qcustom3dlabel_p.h
+++ b/src/datavisualization/data/qcustom3dlabel_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dvolume.cpp b/src/datavisualization/data/qcustom3dvolume.cpp
index a7265375..d54f34d1 100644
--- a/src/datavisualization/data/qcustom3dvolume.cpp
+++ b/src/datavisualization/data/qcustom3dvolume.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dvolume.h b/src/datavisualization/data/qcustom3dvolume.h
index b3cf469f..78e684d9 100644
--- a/src/datavisualization/data/qcustom3dvolume.h
+++ b/src/datavisualization/data/qcustom3dvolume.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qcustom3dvolume_p.h b/src/datavisualization/data/qcustom3dvolume_p.h
index e5b0669b..7c802f62 100644
--- a/src/datavisualization/data/qcustom3dvolume_p.h
+++ b/src/datavisualization/data/qcustom3dvolume_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy.cpp b/src/datavisualization/data/qheightmapsurfacedataproxy.cpp
index 35676579..1d762f88 100644
--- a/src/datavisualization/data/qheightmapsurfacedataproxy.cpp
+++ b/src/datavisualization/data/qheightmapsurfacedataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy.h b/src/datavisualization/data/qheightmapsurfacedataproxy.h
index 424786bc..4d815851 100644
--- a/src/datavisualization/data/qheightmapsurfacedataproxy.h
+++ b/src/datavisualization/data/qheightmapsurfacedataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy_p.h b/src/datavisualization/data/qheightmapsurfacedataproxy_p.h
index 9790184a..12219dd3 100644
--- a/src/datavisualization/data/qheightmapsurfacedataproxy_p.h
+++ b/src/datavisualization/data/qheightmapsurfacedataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelbardataproxy.cpp b/src/datavisualization/data/qitemmodelbardataproxy.cpp
index 4fdfc96a..f87016e1 100644
--- a/src/datavisualization/data/qitemmodelbardataproxy.cpp
+++ b/src/datavisualization/data/qitemmodelbardataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelbardataproxy.h b/src/datavisualization/data/qitemmodelbardataproxy.h
index cb2d5ca6..2dfa0753 100644
--- a/src/datavisualization/data/qitemmodelbardataproxy.h
+++ b/src/datavisualization/data/qitemmodelbardataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelbardataproxy_p.h b/src/datavisualization/data/qitemmodelbardataproxy_p.h
index e69f02b6..a4eefbcd 100644
--- a/src/datavisualization/data/qitemmodelbardataproxy_p.h
+++ b/src/datavisualization/data/qitemmodelbardataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy.cpp b/src/datavisualization/data/qitemmodelscatterdataproxy.cpp
index 076f2992..58180e69 100644
--- a/src/datavisualization/data/qitemmodelscatterdataproxy.cpp
+++ b/src/datavisualization/data/qitemmodelscatterdataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy.h b/src/datavisualization/data/qitemmodelscatterdataproxy.h
index 22e7ced8..9a85c4aa 100644
--- a/src/datavisualization/data/qitemmodelscatterdataproxy.h
+++ b/src/datavisualization/data/qitemmodelscatterdataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy_p.h b/src/datavisualization/data/qitemmodelscatterdataproxy_p.h
index 19bd8983..a8d3c0e6 100644
--- a/src/datavisualization/data/qitemmodelscatterdataproxy_p.h
+++ b/src/datavisualization/data/qitemmodelscatterdataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp b/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp
index fa40fd8c..47230326 100644
--- a/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp
+++ b/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy.h b/src/datavisualization/data/qitemmodelsurfacedataproxy.h
index 104fc17f..ec94c1f0 100644
--- a/src/datavisualization/data/qitemmodelsurfacedataproxy.h
+++ b/src/datavisualization/data/qitemmodelsurfacedataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h b/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h
index 9c3256e1..011a5221 100644
--- a/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h
+++ b/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatter3dseries.cpp b/src/datavisualization/data/qscatter3dseries.cpp
index 753cdcdd..1557a6c3 100644
--- a/src/datavisualization/data/qscatter3dseries.cpp
+++ b/src/datavisualization/data/qscatter3dseries.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatter3dseries.h b/src/datavisualization/data/qscatter3dseries.h
index 8cb17fe5..0a1f93e9 100644
--- a/src/datavisualization/data/qscatter3dseries.h
+++ b/src/datavisualization/data/qscatter3dseries.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatter3dseries_p.h b/src/datavisualization/data/qscatter3dseries_p.h
index adaa5f02..c173857e 100644
--- a/src/datavisualization/data/qscatter3dseries_p.h
+++ b/src/datavisualization/data/qscatter3dseries_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataitem.cpp b/src/datavisualization/data/qscatterdataitem.cpp
index 03993fa4..12ea47af 100644
--- a/src/datavisualization/data/qscatterdataitem.cpp
+++ b/src/datavisualization/data/qscatterdataitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataitem.h b/src/datavisualization/data/qscatterdataitem.h
index 48aff3a3..94be3a48 100644
--- a/src/datavisualization/data/qscatterdataitem.h
+++ b/src/datavisualization/data/qscatterdataitem.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataitem_p.h b/src/datavisualization/data/qscatterdataitem_p.h
index c74b5e80..7eac8950 100644
--- a/src/datavisualization/data/qscatterdataitem_p.h
+++ b/src/datavisualization/data/qscatterdataitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataproxy.cpp b/src/datavisualization/data/qscatterdataproxy.cpp
index 042f55a0..2d0e203a 100644
--- a/src/datavisualization/data/qscatterdataproxy.cpp
+++ b/src/datavisualization/data/qscatterdataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataproxy.h b/src/datavisualization/data/qscatterdataproxy.h
index 1af7276a..ea5a2978 100644
--- a/src/datavisualization/data/qscatterdataproxy.h
+++ b/src/datavisualization/data/qscatterdataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qscatterdataproxy_p.h b/src/datavisualization/data/qscatterdataproxy_p.h
index 15dc1109..157152b0 100644
--- a/src/datavisualization/data/qscatterdataproxy_p.h
+++ b/src/datavisualization/data/qscatterdataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurface3dseries.cpp b/src/datavisualization/data/qsurface3dseries.cpp
index 681df9b9..83d766bd 100644
--- a/src/datavisualization/data/qsurface3dseries.cpp
+++ b/src/datavisualization/data/qsurface3dseries.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurface3dseries.h b/src/datavisualization/data/qsurface3dseries.h
index f8b34a6d..b0b83ea3 100644
--- a/src/datavisualization/data/qsurface3dseries.h
+++ b/src/datavisualization/data/qsurface3dseries.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurface3dseries_p.h b/src/datavisualization/data/qsurface3dseries_p.h
index c2ed703c..f3519a5a 100644
--- a/src/datavisualization/data/qsurface3dseries_p.h
+++ b/src/datavisualization/data/qsurface3dseries_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataitem.cpp b/src/datavisualization/data/qsurfacedataitem.cpp
index 7eeddf8b..a4aeb18d 100644
--- a/src/datavisualization/data/qsurfacedataitem.cpp
+++ b/src/datavisualization/data/qsurfacedataitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataitem.h b/src/datavisualization/data/qsurfacedataitem.h
index b6439e32..c4d9f7c8 100644
--- a/src/datavisualization/data/qsurfacedataitem.h
+++ b/src/datavisualization/data/qsurfacedataitem.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataitem_p.h b/src/datavisualization/data/qsurfacedataitem_p.h
index c103d3cd..18babd90 100644
--- a/src/datavisualization/data/qsurfacedataitem_p.h
+++ b/src/datavisualization/data/qsurfacedataitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataproxy.cpp b/src/datavisualization/data/qsurfacedataproxy.cpp
index 1252338e..1c61084c 100644
--- a/src/datavisualization/data/qsurfacedataproxy.cpp
+++ b/src/datavisualization/data/qsurfacedataproxy.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataproxy.h b/src/datavisualization/data/qsurfacedataproxy.h
index a4e8f8a0..ed16af88 100644
--- a/src/datavisualization/data/qsurfacedataproxy.h
+++ b/src/datavisualization/data/qsurfacedataproxy.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/qsurfacedataproxy_p.h b/src/datavisualization/data/qsurfacedataproxy_p.h
index 24a8d68a..80443aec 100644
--- a/src/datavisualization/data/qsurfacedataproxy_p.h
+++ b/src/datavisualization/data/qsurfacedataproxy_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/scatteritemmodelhandler.cpp b/src/datavisualization/data/scatteritemmodelhandler.cpp
index 7c2058e2..28a4f663 100644
--- a/src/datavisualization/data/scatteritemmodelhandler.cpp
+++ b/src/datavisualization/data/scatteritemmodelhandler.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/scatteritemmodelhandler_p.h b/src/datavisualization/data/scatteritemmodelhandler_p.h
index 02b0d966..991a6c34 100644
--- a/src/datavisualization/data/scatteritemmodelhandler_p.h
+++ b/src/datavisualization/data/scatteritemmodelhandler_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/scatterrenderitem.cpp b/src/datavisualization/data/scatterrenderitem.cpp
index f4b223af..61fb85dd 100644
--- a/src/datavisualization/data/scatterrenderitem.cpp
+++ b/src/datavisualization/data/scatterrenderitem.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/scatterrenderitem_p.h b/src/datavisualization/data/scatterrenderitem_p.h
index 2090c337..d7f38eed 100644
--- a/src/datavisualization/data/scatterrenderitem_p.h
+++ b/src/datavisualization/data/scatterrenderitem_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/surfaceitemmodelhandler.cpp b/src/datavisualization/data/surfaceitemmodelhandler.cpp
index 8c85747c..ad086e01 100644
--- a/src/datavisualization/data/surfaceitemmodelhandler.cpp
+++ b/src/datavisualization/data/surfaceitemmodelhandler.cpp
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/
 
diff --git a/src/datavisualization/data/surfaceitemmodelhandler_p.h b/src/datavisualization/data/surfaceitemmodelhandler_p.h
index 84c62f6f..aaa7a987 100644
--- a/src/datavisualization/data/surfaceitemmodelhandler_p.h
+++ b/src/datavisualization/data/surfaceitemmodelhandler_p.h
@@ -1,12 +1,11 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2016 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
 **
-** $QT_BEGIN_LICENSE:COMM$
-**
+** $QT_BEGIN_LICENSE:GPL$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
@@ -15,15 +14,16 @@
 ** and conditions see https://www.qt.io/terms-conditions. For further
 ** information use the contact form at https://www.qt.io/contact-us.
 **
-** $QT_END_LICENSE$
-**
-**
-**
-**
-**
-**
-**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
+** $QT_END_LICENSE$
 **
 ****************************************************************************/