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+/****************************************************************************
+**
+** Copyright (C) 2019 Ford Motor Company
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+\page qtremoteobjects-compatibility.html
+\title Qt Remote Objects Protocol Versioning
+
+Qt Remote Objects uses an internal protocol to pass data between processes
+and/or devices. The same protocol version needs to be used by all parties: if
+there is a mismatch, the connecting node will output a warning and the host
+node will not send any data.
+
+Currently released versions:
+
+\table
+\header
+    \li Protocol Version
+    \li Qt Version
+\row
+    \li <1.2
+    \li Used during QtRO's tech preview phase.
+\row
+    \li 1.2
+    \li 5.12.0
+\row
+    \li 1.3
+    \li 5.12.4
+\endtable
+*/