Merge remote-tracking branch 'origin/dev' into wip/cmake

Change-Id: Ifecc2d9db396d783124df8567553ba5f846f30bb

27 files changed, 197 insertions, 811 deletions

diff --git a/src/plugins/bearer/connman/connman.pro b/src/plugins/bearer/connman/connman.pro
index d6577e9d7f..03e94cfe6a 100644
--- a/src/plugins/bearer/connman/connman.pro
+++ b/src/plugins/bearer/connman/connman.pro
@@ -1,14 +1,12 @@
 TARGET = qconnmanbearer
 
-QT = core network-private dbus
+QT = core network-private dbus linuxofono_support_private
 
 HEADERS += qconnmanservice_linux_p.h \
-           ../linux_common/qofonoservice_linux_p.h \
            qconnmanengine.h
 
 SOURCES += main.cpp \
            qconnmanservice_linux.cpp \
-           ../linux_common/qofonoservice_linux.cpp \
            qconnmanengine.cpp
 
 OTHER_FILES += connman.json
diff --git a/src/plugins/bearer/connman/qconnmanengine.h b/src/plugins/bearer/connman/qconnmanengine.h
index eb79dbec1b..969eed45b1 100644
--- a/src/plugins/bearer/connman/qconnmanengine.h
+++ b/src/plugins/bearer/connman/qconnmanengine.h
@@ -54,7 +54,7 @@
 #include <private/qbearerengine_impl_p.h>
 
 #include "qconnmanservice_linux_p.h"
-#include "../linux_common/qofonoservice_linux_p.h"
+#include <private/qofonoservice_linux_p.h>
 
 #include <QMap>
 #include <QVariant>
diff --git a/src/plugins/bearer/linux_common/qofonoservice_linux.cpp b/src/plugins/bearer/linux_common/qofonoservice_linux.cpp
deleted file mode 100644
index 05f9b3ca17..0000000000
--- a/src/plugins/bearer/linux_common/qofonoservice_linux.cpp
+++ /dev/null
@@ -1,384 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or 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.GPL2 and 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-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QObject>
-#include <QList>
-#include <QtDBus/QtDBus>
-#include <QtDBus/QDBusConnection>
-#include <QtDBus/QDBusError>
-#include <QtDBus/QDBusInterface>
-#include <QtDBus/QDBusMessage>
-#include <QtDBus/QDBusReply>
-#include <QtDBus/QDBusPendingCallWatcher>
-#include <QtDBus/QDBusObjectPath>
-#include <QtDBus/QDBusPendingCall>
-
-#include "qofonoservice_linux_p.h"
-
-#ifndef QT_NO_DBUS
-
-QDBusArgument &operator<<(QDBusArgument &argument, const ObjectPathProperties &item)
-{
-    argument.beginStructure();
-    argument << item.path << item.properties;
-    argument.endStructure();
-    return argument;
-}
-
-const QDBusArgument &operator>>(const QDBusArgument &argument, ObjectPathProperties &item)
-{
-    argument.beginStructure();
-    argument >> item.path >> item.properties;
-    argument.endStructure();
-    return argument;
-}
-
-QT_BEGIN_NAMESPACE
-
-QOfonoManagerInterface::QOfonoManagerInterface( QObject *parent)
-        : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
-                                 QLatin1String(OFONO_MANAGER_PATH),
-                                 OFONO_MANAGER_INTERFACE,
-                                 QDBusConnection::systemBus(), parent)
-{
-    qDBusRegisterMetaType<ObjectPathProperties>();
-    qDBusRegisterMetaType<PathPropertiesList>();
-
-    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
-                           QLatin1String(OFONO_MANAGER_PATH),
-                           QLatin1String(OFONO_MANAGER_INTERFACE),
-                           QLatin1String("ModemAdded"),
-                           this,SLOT(modemAdded(QDBusObjectPath,QVariantMap)));
-    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
-                           QLatin1String(OFONO_MANAGER_PATH),
-                           QLatin1String(OFONO_MANAGER_INTERFACE),
-                           QLatin1String("ModemRemoved"),
-                           this,SLOT(modemRemoved(QDBusObjectPath)));
-}
-
-QOfonoManagerInterface::~QOfonoManagerInterface()
-{
-}
-
-QStringList QOfonoManagerInterface::getModems()
-{
-    if (modemList.isEmpty()) {
-        QDBusPendingReply<PathPropertiesList> reply = call(QDBus::Block, QLatin1String("GetModems"));
-        reply.waitForFinished();
-        if (!reply.isError()) {
-            const auto modems = reply.value();
-            for (const ObjectPathProperties &modem : modems)
-                modemList << modem.path.path();
-        }
-    }
-
-    return modemList;
-}
-
-QString QOfonoManagerInterface::currentModem()
-{
-    const QStringList modems = getModems();
-    for (const QString &modem : modems) {
-        QOfonoModemInterface device(modem);
-        if (device.isPowered() && device.isOnline()
-                && device.interfaces().contains(QLatin1String("org.ofono.NetworkRegistration")))
-        return modem;
-    }
-    return QString();
-}
-
-void QOfonoManagerInterface::modemAdded(const QDBusObjectPath &path, const QVariantMap &/*var*/)
-{
-    if (!modemList.contains(path.path())) {
-        modemList << path.path();
-        Q_EMIT modemChanged();
-    }
-}
-
-void QOfonoManagerInterface::modemRemoved(const QDBusObjectPath &path)
-{
-    if (modemList.contains(path.path())) {
-        modemList.removeOne(path.path());
-        Q_EMIT modemChanged();
-    }
-}
-
-
-QOfonoModemInterface::QOfonoModemInterface(const QString &dbusPathName, QObject *parent)
-    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
-                             dbusPathName,
-                             OFONO_MODEM_INTERFACE,
-                             QDBusConnection::systemBus(), parent)
-{
-    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
-                                         path(),
-                                         OFONO_MODEM_INTERFACE,
-                                         QLatin1String("PropertyChanged"),
-                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
-}
-
-QOfonoModemInterface::~QOfonoModemInterface()
-{
-}
-
-void QOfonoModemInterface::propertyChanged(const QString &name,const QDBusVariant &value)
-{
-    propertiesMap[name] = value.variant();
-}
-
-bool QOfonoModemInterface::isPowered()
-{
-    QVariant var = getProperty(QStringLiteral("Powered"));
-    return qdbus_cast<bool>(var);
-}
-
-bool QOfonoModemInterface::isOnline()
-{
-    QVariant var = getProperty(QStringLiteral("Online"));
-    return qdbus_cast<bool>(var);
-}
-
-QStringList QOfonoModemInterface::interfaces()
-{
-    const QVariant var = getProperty(QStringLiteral("Interfaces"));
-    return var.toStringList();
-}
-
-QVariantMap QOfonoModemInterface::getProperties()
-{
-    if (propertiesMap.isEmpty()) {
-        QDBusPendingReply<QVariantMap> reply = call(QDBus::Block, QLatin1String("GetProperties"));
-        if (!reply.isError()) {
-            propertiesMap = reply.value();
-        }
-    }
-    return propertiesMap;
-}
-
-QVariant QOfonoModemInterface::getProperty(const QString &property)
-{
-    QVariant var;
-    QVariantMap map = getProperties();
-    if (map.contains(property))
-        var = map.value(property);
-    return var;
-}
-
-
-QOfonoNetworkRegistrationInterface::QOfonoNetworkRegistrationInterface(const QString &dbusPathName, QObject *parent)
-    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
-                             dbusPathName,
-                             OFONO_NETWORK_REGISTRATION_INTERFACE,
-                             QDBusConnection::systemBus(), parent)
-{
-}
-
-QOfonoNetworkRegistrationInterface::~QOfonoNetworkRegistrationInterface()
-{
-}
-
-QString QOfonoNetworkRegistrationInterface::getTechnology()
-{
-    QVariant var = getProperty(QStringLiteral("Technology"));
-    return qdbus_cast<QString>(var);
-}
-
-QVariant QOfonoNetworkRegistrationInterface::getProperty(const QString &property)
-{
-    QVariant var;
-    QVariantMap map = getProperties();
-    if (map.contains(property))
-        var = map.value(property);
-    return var;
-}
-
-QVariantMap QOfonoNetworkRegistrationInterface::getProperties()
-{
-    if (propertiesMap.isEmpty()) {
-        QDBusPendingReply<QVariantMap> reply = call(QDBus::Block, QLatin1String("GetProperties"));
-        reply.waitForFinished();
-        if (!reply.isError()) {
-            propertiesMap = reply.value();
-        }
-    }
-    return propertiesMap;
-}
-
-QOfonoDataConnectionManagerInterface::QOfonoDataConnectionManagerInterface(const QString &dbusPathName, QObject *parent)
-    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
-                             dbusPathName,
-                             OFONO_DATA_CONNECTION_MANAGER_INTERFACE,
-                             QDBusConnection::systemBus(), parent)
-{
-    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
-                                         path(),
-                                         QLatin1String(OFONO_MODEM_INTERFACE),
-                                         QLatin1String("PropertyChanged"),
-                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
-}
-
-QOfonoDataConnectionManagerInterface::~QOfonoDataConnectionManagerInterface()
-{
-}
-
-QStringList QOfonoDataConnectionManagerInterface::contexts()
-{
-    if (contextList.isEmpty()) {
-        QDBusPendingReply<PathPropertiesList > reply = call(QLatin1String("GetContexts"));
-        reply.waitForFinished();
-        if (!reply.isError()) {
-            const auto contexts = reply.value();
-            for (const ObjectPathProperties &context : contexts)
-                contextList << context.path.path();
-        }
-    }
-    return contextList;
-}
-
-PathPropertiesList QOfonoDataConnectionManagerInterface::contextsWithProperties()
-{
-    if (contextListProperties.isEmpty()) {
-        QDBusPendingReply<PathPropertiesList > reply = call(QLatin1String("GetContexts"));
-        reply.waitForFinished();
-        if (!reply.isError()) {
-            contextListProperties = reply.value();
-        }
-    }
-    return contextListProperties;
-}
-
-bool QOfonoDataConnectionManagerInterface::roamingAllowed()
-{
-    QVariant var = getProperty(QStringLiteral("RoamingAllowed"));
-    return qdbus_cast<bool>(var);
-}
-
-QString QOfonoDataConnectionManagerInterface::bearer()
-{
-    QVariant var = getProperty(QStringLiteral("Bearer"));
-    return qdbus_cast<QString>(var);
-}
-
-QVariant QOfonoDataConnectionManagerInterface::getProperty(const QString &property)
-{
-    return getProperties().value(property);
-}
-
-QVariantMap &QOfonoDataConnectionManagerInterface::getProperties()
-{
-    if (propertiesMap.isEmpty()) {
-        QDBusPendingReply<QVariantMap> reply = call(QDBus::Block, QLatin1String("GetProperties"));
-        if (!reply.isError()) {
-            propertiesMap = reply.value();
-        }
-    }
-    return propertiesMap;
-}
-
-void QOfonoDataConnectionManagerInterface::propertyChanged(const QString &name, const QDBusVariant &value)
-{
-    propertiesMap[name] = value.variant();
-    if (name == QLatin1String("RoamingAllowed"))
-        Q_EMIT roamingAllowedChanged(value.variant().toBool());
-}
-
-
-QOfonoConnectionContextInterface::QOfonoConnectionContextInterface(const QString &dbusPathName, QObject *parent)
-    : QDBusAbstractInterface(QLatin1String(OFONO_SERVICE),
-                             dbusPathName,
-                             OFONO_CONNECTION_CONTEXT_INTERFACE,
-                             QDBusConnection::systemBus(), parent)
-{
-    QDBusConnection::systemBus().connect(QLatin1String(OFONO_SERVICE),
-                                         path(),
-                                         QLatin1String(OFONO_MODEM_INTERFACE),
-                                         QLatin1String("PropertyChanged"),
-                                         this,SLOT(propertyChanged(QString,QDBusVariant)));
-}
-
-QOfonoConnectionContextInterface::~QOfonoConnectionContextInterface()
-{
-}
-
-QVariantMap QOfonoConnectionContextInterface::getProperties()
-{
-    if (propertiesMap.isEmpty()) {
-        QDBusPendingReply<QVariantMap> reply = call(QDBus::Block, QLatin1String("GetProperties"));
-        if (!reply.isError()) {
-            propertiesMap = reply.value();
-        }
-    }
-    return propertiesMap;
-}
-
-void QOfonoConnectionContextInterface::propertyChanged(const QString &name, const QDBusVariant &value)
-{
-    propertiesMap[name] = value.variant();
-}
-
-QVariant QOfonoConnectionContextInterface::getProperty(const QString &property)
-{
-    QVariant var;
-    QVariantMap map = getProperties();
-    if (map.contains(property))
-        var = map.value(property);
-    return var;
-}
-
-bool QOfonoConnectionContextInterface::active()
-{
-    QVariant var = getProperty(QStringLiteral("Active"));
-    return qdbus_cast<bool>(var);
-}
-
-QString QOfonoConnectionContextInterface::accessPointName()
-{
-    QVariant var = getProperty(QStringLiteral("AccessPointName"));
-    return qdbus_cast<QString>(var);
-}
-
-QString QOfonoConnectionContextInterface::name()
-{
-    QVariant var = getProperty(QStringLiteral("Name"));
-    return qdbus_cast<QString>(var);
-}
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_DBUS
diff --git a/src/plugins/bearer/linux_common/qofonoservice_linux_p.h b/src/plugins/bearer/linux_common/qofonoservice_linux_p.h
deleted file mode 100644
index 62df5d4fa7..0000000000
--- a/src/plugins/bearer/linux_common/qofonoservice_linux_p.h
+++ /dev/null
@@ -1,207 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or 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.GPL2 and 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-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QOFONOSERVICE_H
-#define QOFONOSERVICE_H
-
-//
-//  W A R N I N G
-//  -------------
-//
-// This file is not part of the Qt API.  It exists purely as an
-// implementation detail.  This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <QtDBus/QtDBus>
-#include <QtDBus/QDBusConnection>
-#include <QtDBus/QDBusError>
-#include <QtDBus/QDBusInterface>
-#include <QtDBus/QDBusMessage>
-#include <QtDBus/QDBusReply>
-
-#include <QtDBus/QDBusPendingCallWatcher>
-#include <QtDBus/QDBusObjectPath>
-#include <QtDBus/QDBusContext>
-#include <QMap>
-
-#ifndef QT_NO_DBUS
-
-#define OFONO_SERVICE                            "org.ofono"
-#define OFONO_MANAGER_INTERFACE                  "org.ofono.Manager"
-#define OFONO_MANAGER_PATH                       "/"
-
-#define OFONO_MODEM_INTERFACE                    "org.ofono.Modem"
-#define OFONO_NETWORK_REGISTRATION_INTERFACE     "org.ofono.NetworkRegistration"
-#define OFONO_DATA_CONNECTION_MANAGER_INTERFACE  "org.ofono.ConnectionManager"
-#define OFONO_CONNECTION_CONTEXT_INTERFACE       "org.ofono.ConnectionContext"
-
-QT_BEGIN_NAMESPACE
-
-QT_END_NAMESPACE
-
-struct ObjectPathProperties
-{
-    QDBusObjectPath path;
-    QVariantMap properties;
-};
-QT_BEGIN_NAMESPACE
-Q_DECLARE_TYPEINFO(ObjectPathProperties, Q_MOVABLE_TYPE); // QDBusObjectPath is movable, but cannot be
-                                                          // marked as such until Qt 6
-QT_END_NAMESPACE
-
-typedef QVector<ObjectPathProperties> PathPropertiesList;
-Q_DECLARE_METATYPE(ObjectPathProperties)
-Q_DECLARE_METATYPE (PathPropertiesList)
-
-QT_BEGIN_NAMESPACE
-
-class QOfonoManagerInterface : public  QDBusAbstractInterface
-{
-    Q_OBJECT
-
-public:
-
-    QOfonoManagerInterface( QObject *parent = nullptr);
-    ~QOfonoManagerInterface();
-
-    QStringList getModems();
-    QString currentModem();
-signals:
-    void modemChanged();
-private:
-    QStringList modemList;
-private slots:
-    void modemAdded(const QDBusObjectPath &path, const QVariantMap &var);
-    void modemRemoved(const QDBusObjectPath &path);
-};
-
-class QOfonoModemInterface : public QDBusAbstractInterface
-{
-    Q_OBJECT
-
-public:
-
-    explicit QOfonoModemInterface(const QString &dbusModemPathName, QObject *parent = nullptr);
-    ~QOfonoModemInterface();
-
-    bool isPowered();
-    bool isOnline();
-    QStringList interfaces();
-private:
-    QVariantMap getProperties();
-    QVariantMap propertiesMap;
-    QVariant getProperty(const QString &);
-    void propertyChanged(const QString &, const QDBusVariant &value);
-};
-
-
-class QOfonoNetworkRegistrationInterface : public QDBusAbstractInterface
-{
-    Q_OBJECT
-
-public:
-
-    explicit QOfonoNetworkRegistrationInterface(const QString &dbusModemPathName, QObject *parent = nullptr);
-    ~QOfonoNetworkRegistrationInterface();
-
-    QString getTechnology();
-
-private:
-    QVariantMap getProperties();
-    QVariant getProperty(const QString &);
-    QVariantMap propertiesMap;
-Q_SIGNALS:
-    void propertyChanged(const QString &, const QDBusVariant &value);
-};
-
-class QOfonoDataConnectionManagerInterface : public QDBusAbstractInterface
-{
-    Q_OBJECT
-
-public:
-
-    explicit QOfonoDataConnectionManagerInterface(const QString &dbusPathName, QObject *parent = nullptr);
-    ~QOfonoDataConnectionManagerInterface();
-
-    QStringList contexts();
-    PathPropertiesList contextsWithProperties();
-    bool roamingAllowed();
-    QVariant getProperty(const QString &);
-    QString bearer();
-Q_SIGNALS:
-    void roamingAllowedChanged(bool);
-private:
-    QVariantMap &getProperties();
-    QVariantMap propertiesMap;
-    QStringList contextList;
-    PathPropertiesList contextListProperties;
-private Q_SLOTS:
-    void propertyChanged(const QString &, const QDBusVariant &value);
-};
-
-class QOfonoConnectionContextInterface : public QDBusAbstractInterface
-{
-    Q_OBJECT
-
-public:
-
-    explicit QOfonoConnectionContextInterface(const QString &dbusPathName, QObject *parent = nullptr);
-    ~QOfonoConnectionContextInterface();
-
-    QVariant getProperty(const QString &);
-    bool active();
-    QString accessPointName();
-    QString name();
-
-Q_SIGNALS:
-private:
-    QVariantMap getProperties();
-    QVariantMap propertiesMap;
-private slots:
-    void propertyChanged(const QString &, const QDBusVariant &value);
-};
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_DBUS
-
-#endif //QOFONOSERVICE_H
diff --git a/src/plugins/bearer/networkmanager/networkmanager.pro b/src/plugins/bearer/networkmanager/networkmanager.pro
index 3fbad07ef5..3ca217f974 100644
--- a/src/plugins/bearer/networkmanager/networkmanager.pro
+++ b/src/plugins/bearer/networkmanager/networkmanager.pro
@@ -1,15 +1,13 @@
 TARGET = qnmbearer
 
-QT = core network-private dbus
+QT = core network-private dbus linuxofono_support_private
 
 HEADERS += qnetworkmanagerservice.h \
-           qnetworkmanagerengine.h \
-           ../linux_common/qofonoservice_linux_p.h
+           qnetworkmanagerengine.h
 
 SOURCES += main.cpp \
            qnetworkmanagerservice.cpp \
-           qnetworkmanagerengine.cpp \
-           ../linux_common/qofonoservice_linux.cpp
+           qnetworkmanagerengine.cpp
 
 OTHER_FILES += networkmanager.json
 
diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
index d686bc4e51..2fb5b2efbc 100644
--- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
+++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.cpp
@@ -53,7 +53,6 @@
 #include <QDBusInterface>
 #include <QDBusMessage>
 #include <QDBusReply>
-#include "../linux_common/qofonoservice_linux_p.h"
 
 #ifndef QT_NO_DBUS
 
diff --git a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
index c6c5280eca..c624d6087d 100644
--- a/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
+++ b/src/plugins/bearer/networkmanager/qnetworkmanagerengine.h
@@ -55,7 +55,7 @@
 
 #include "qnetworkmanagerservice.h"
 
-#include "../linux_common/qofonoservice_linux_p.h"
+#include <private/qofonoservice_linux_p.h>
 
 #include <QMap>
 #include <QVariant>
diff --git a/src/plugins/platforms/android/androidjniinput.cpp b/src/plugins/platforms/android/androidjniinput.cpp
index 9cdc5de0e1..56885f2e23 100644
--- a/src/plugins/platforms/android/androidjniinput.cpp
+++ b/src/plugins/platforms/android/androidjniinput.cpp
@@ -195,20 +195,6 @@ namespace QtAndroidInput
                                                  angleDelta);
     }
 
-    void releaseMouse(int x, int y)
-    {
-        m_ignoreMouseEvents = true;
-        QPoint globalPos(x,y);
-        QWindow *tlw = topLevelWindowAt(globalPos);
-        QPoint localPos = tlw ? (globalPos-tlw->position()) : globalPos;
-
-        // Release left button
-        QWindowSystemInterface::handleMouseEvent(tlw,
-                                                 localPos,
-                                                 globalPos,
-                                                 Qt::MouseButtons(Qt::NoButton));
-    }
-
     static void longPress(JNIEnv */*env*/, jobject /*thiz*/, jint /*winId*/, jint x, jint y)
     {
         QAndroidInputContext *inputContext = QAndroidInputContext::androidInputContext();
diff --git a/src/plugins/platforms/android/androidjniinput.h b/src/plugins/platforms/android/androidjniinput.h
index 2e2470ae8f..cc3070c4aa 100644
--- a/src/plugins/platforms/android/androidjniinput.h
+++ b/src/plugins/platforms/android/androidjniinput.h
@@ -61,8 +61,6 @@ namespace QtAndroidInput
     void updateHandles(int handleCount, QPoint editMenuPos = QPoint(), uint32_t editButtons = 0, QPoint cursor = QPoint(), QPoint anchor = QPoint(), bool rtl = false);
 
     bool registerNatives(JNIEnv *env);
-
-    void releaseMouse(int x, int y);
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/android/qandroidinputcontext.cpp b/src/plugins/platforms/android/qandroidinputcontext.cpp
index 5614d3b04f..e78c317863 100644
--- a/src/plugins/platforms/android/qandroidinputcontext.cpp
+++ b/src/plugins/platforms/android/qandroidinputcontext.cpp
@@ -827,9 +827,6 @@ void QAndroidInputContext::longPress(int x, int y)
 
         focusObjectStopComposing();
 
-        // Release left button, otherwise the following events will cancel the menu popup
-        QtAndroidInput::releaseMouse(x, y);
-
         const double pixelDensity =
                 QGuiApplication::focusWindow()
                 ? QHighDpiScaling::factor(QGuiApplication::focusWindow())
diff --git a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
index 00f5a1bf09..9b0a6b1b86 100644
--- a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
+++ b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
@@ -88,10 +88,13 @@
 #include <qpa/qwindowsysteminterface.h>
 #include <qwindowdefs.h>
 
+QT_BEGIN_NAMESPACE
+Q_LOGGING_CATEGORY(lcQpaApplication, "qt.qpa.application");
+QT_END_NAMESPACE
+
 QT_USE_NAMESPACE
 
 @implementation QCocoaApplicationDelegate {
-    bool startedQuit;
     NSObject <NSApplicationDelegate> *reflectionDelegate;
     bool inLaunch;
 }
@@ -140,67 +143,30 @@ QT_USE_NAMESPACE
     return [[self.dockMenu retain] autorelease];
 }
 
-- (BOOL)canQuit
-{
-    [[NSApp mainMenu] cancelTracking];
-
-    bool handle_quit = true;
-    NSMenuItem *quitMenuItem = [[QCocoaMenuLoader sharedMenuLoader] quitMenuItem];
-    if (!QGuiApplicationPrivate::instance()->modalWindowList.isEmpty()
-        && [quitMenuItem isEnabled]) {
-        int visible = 0;
-        const QWindowList tlws = QGuiApplication::topLevelWindows();
-        for (int i = 0; i < tlws.size(); ++i) {
-            if (tlws.at(i)->isVisible())
-                ++visible;
-        }
-        handle_quit = (visible <= 1);
-    }
-
-    if (handle_quit) {
-        QCloseEvent ev;
-        QGuiApplication::sendEvent(qGuiApp, &ev);
-        if (ev.isAccepted()) {
-            return YES;
-        }
-    }
-
-    return NO;
-}
-
 // This function will only be called when NSApp is actually running.
 - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
 {
     if ([reflectionDelegate respondsToSelector:_cmd])
         return [reflectionDelegate applicationShouldTerminate:sender];
 
-    if ([self canQuit]) {
-        if (!startedQuit) {
-            startedQuit = true;
-            // Close open windows. This is done in order to deliver de-expose
-            // events while the event loop is still running.
-            const QWindowList topLevels = QGuiApplication::topLevelWindows();
-            for (int i = 0; i < topLevels.size(); ++i) {
-                QWindow *topLevelWindow = topLevels.at(i);
-                // Already closed windows will not have a platform window, skip those
-                if (topLevelWindow->handle())
-                    QWindowSystemInterface::handleCloseEvent(topLevelWindow);
-            }
-            QWindowSystemInterface::flushWindowSystemEvents();
-
-            QGuiApplication::exit(0);
-            startedQuit = false;
-        }
-    }
-
     if (QGuiApplicationPrivate::instance()->threadData->eventLoops.isEmpty()) {
-        // INVARIANT: No event loop is executing. This probably
-        // means that Qt is used as a plugin, or as a part of a native
-        // Cocoa application. In any case it should be fine to
-        // terminate now:
+        // No event loop is executing. This probably means that Qt is used as a plugin,
+        // or as a part of a native Cocoa application. In any case it should be fine to
+        // terminate now.
+        qCDebug(lcQpaApplication) << "No running event loops, terminating now";
         return NSTerminateNow;
     }
 
+    if (!QWindowSystemInterface::handleApplicationTermination<QWindowSystemInterface::SynchronousDelivery>()) {
+        qCDebug(lcQpaApplication) << "Application termination canceled";
+        return NSTerminateCancel;
+    }
+
+    // Even if the application termination was accepted by the application we can't
+    // return NSTerminateNow, as that would trigger AppKit to ultimately call exit().
+    // We need to ensure that the runloop continues spinning so that we can return
+    // from our own event loop back to main(), and exit from there.
+    qCDebug(lcQpaApplication) << "Termination accepted, but returning to runloop for exit through main()";
     return NSTerminateCancel;
 }
 
diff --git a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
index e87fc39c42..b3ce9e45dc 100644
--- a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
+++ b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm
@@ -293,46 +293,42 @@ bool QCocoaEventDispatcher::hasPendingEvents()
     return qGlobalPostedEventsCount() || (qt_is_gui_used && !CFRunLoopIsWaiting(CFRunLoopGetMain()));
 }
 
-static bool IsMouseOrKeyEvent( NSEvent* event )
+static bool isUserInputEvent(NSEvent* event)
 {
-    bool    result    = false;
-
-    switch( [event type] )
-    {
-        case NSEventTypeLeftMouseDown:
-        case NSEventTypeLeftMouseUp:
-        case NSEventTypeRightMouseDown:
-        case NSEventTypeRightMouseUp:
-        case NSEventTypeMouseMoved:                // ??
-        case NSEventTypeLeftMouseDragged:
-        case NSEventTypeRightMouseDragged:
-        case NSEventTypeMouseEntered:
-        case NSEventTypeMouseExited:
-        case NSEventTypeKeyDown:
-        case NSEventTypeKeyUp:
-        case NSEventTypeFlagsChanged:            // key modifiers changed?
-        case NSEventTypeCursorUpdate:            // ??
-        case NSEventTypeScrollWheel:
-        case NSEventTypeTabletPoint:
-        case NSEventTypeTabletProximity:
-        case NSEventTypeOtherMouseDown:
-        case NSEventTypeOtherMouseUp:
-        case NSEventTypeOtherMouseDragged:
+    switch ([event type]) {
+    case NSEventTypeLeftMouseDown:
+    case NSEventTypeLeftMouseUp:
+    case NSEventTypeRightMouseDown:
+    case NSEventTypeRightMouseUp:
+    case NSEventTypeMouseMoved:                // ??
+    case NSEventTypeLeftMouseDragged:
+    case NSEventTypeRightMouseDragged:
+    case NSEventTypeMouseEntered:
+    case NSEventTypeMouseExited:
+    case NSEventTypeKeyDown:
+    case NSEventTypeKeyUp:
+    case NSEventTypeFlagsChanged:            // key modifiers changed?
+    case NSEventTypeCursorUpdate:            // ??
+    case NSEventTypeScrollWheel:
+    case NSEventTypeTabletPoint:
+    case NSEventTypeTabletProximity:
+    case NSEventTypeOtherMouseDown:
+    case NSEventTypeOtherMouseUp:
+    case NSEventTypeOtherMouseDragged:
 #ifndef QT_NO_GESTURES
-        case NSEventTypeGesture: // touch events
-        case NSEventTypeMagnify:
-        case NSEventTypeSwipe:
-        case NSEventTypeRotate:
-        case NSEventTypeBeginGesture:
-        case NSEventTypeEndGesture:
+    case NSEventTypeGesture: // touch events
+    case NSEventTypeMagnify:
+    case NSEventTypeSwipe:
+    case NSEventTypeRotate:
+    case NSEventTypeBeginGesture:
+    case NSEventTypeEndGesture:
 #endif // QT_NO_GESTURES
-            result    = true;
+        return true;
         break;
-
-        default:
+    default:
         break;
     }
-    return result;
+    return false;
 }
 
 static inline void qt_mac_waitForMoreEvents(NSString *runLoopMode = NSDefaultRunLoopMode)
@@ -465,7 +461,7 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags)
                     dequeue: YES];
 
                     if (event) {
-                        if (IsMouseOrKeyEvent(event)) {
+                        if (isUserInputEvent(event)) {
                             [event retain];
                             d->queuedUserInputEvents.append(event);
                             continue;
@@ -485,7 +481,7 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags)
 
                 if (event) {
                     if (flags & QEventLoop::ExcludeUserInputEvents) {
-                        if (IsMouseOrKeyEvent(event)) {
+                        if (isUserInputEvent(event)) {
                             [event retain];
                             d->queuedUserInputEvents.append(event);
                             continue;
diff --git a/src/plugins/platforms/cocoa/qcocoaglcontext.h b/src/plugins/platforms/cocoa/qcocoaglcontext.h
index bb309c0713..4210a4ed3f 100644
--- a/src/plugins/platforms/cocoa/qcocoaglcontext.h
+++ b/src/plugins/platforms/cocoa/qcocoaglcontext.h
@@ -50,6 +50,8 @@
 
 QT_BEGIN_NAMESPACE
 
+class QCocoaWindow;
+
 class QCocoaGLContext : public QPlatformOpenGLContext
 {
 public:
@@ -76,12 +78,12 @@ private:
     static NSOpenGLPixelFormat *pixelFormatForSurfaceFormat(const QSurfaceFormat &format);
 
     bool setDrawable(QPlatformSurface *surface);
+    void prepareDrawable(QCocoaWindow *platformWindow);
     void updateSurfaceFormat();
 
     NSOpenGLContext *m_context = nil;
     NSOpenGLContext *m_shareContext = nil;
     QSurfaceFormat m_format;
-    bool m_didCheckForSoftwareContext = false;
     QVarLengthArray<QMacNotificationObserver, 3> m_updateObservers;
     QAtomicInt m_needsUpdate = false;
 };
diff --git a/src/plugins/platforms/cocoa/qcocoaglcontext.mm b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
index ba7d12ce30..b312e033cd 100644
--- a/src/plugins/platforms/cocoa/qcocoaglcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
@@ -223,12 +223,10 @@ NSOpenGLPixelFormat *QCocoaGLContext::pixelFormatForSurfaceFormat(const QSurface
         attrs << NSOpenGLPFAAllowOfflineRenderers;
     }
 
-    // FIXME: Pull this information out of the NSView
-    QByteArray useLayer = qgetenv("QT_MAC_WANTS_LAYER");
-    if (!useLayer.isEmpty() && useLayer.toInt() > 0) {
-        // Disable the software rendering fallback. This makes compositing
-        // OpenGL and raster NSViews using Core Animation layers possible.
-        attrs << NSOpenGLPFANoRecovery;
+    if (qGuiApp->testAttribute(Qt::AA_UseSoftwareOpenGL)) {
+        // kCGLRendererGenericFloatID is the modern software renderer on macOS,
+        // as opposed to kCGLRendererGenericID, which is deprecated.
+        attrs << NSOpenGLPFARendererID << kCGLRendererGenericFloatID;
     }
 
     attrs << 0; // 0-terminate array
@@ -368,23 +366,6 @@ bool QCocoaGLContext::makeCurrent(QPlatformSurface *surface)
     [m_context makeCurrentContext];
 
     if (surface->surface()->surfaceClass() == QSurface::Window) {
-        // Disable high-resolution surfaces when using the software renderer, which has the
-        // problem that the system silently falls back to a to using a low-resolution buffer
-        // when a high-resolution buffer is requested. This is not detectable using the NSWindow
-        // convertSizeToBacking and backingScaleFactor APIs. A typical result of this is that Qt
-        // will display a quarter of the window content when running in a virtual machine.
-        if (!m_didCheckForSoftwareContext) {
-            // FIXME: This ensures we check only once per context,
-            // but the context may be used for multiple surfaces.
-            m_didCheckForSoftwareContext = true;
-
-            const GLubyte* renderer = glGetString(GL_RENDERER);
-            if (qstrcmp((const char *)renderer, "Apple Software Renderer") == 0) {
-                NSView *view = static_cast<QCocoaWindow *>(surface)->m_view;
-                [view setWantsBestResolutionOpenGLSurface:NO];
-            }
-        }
-
         if (m_needsUpdate.fetchAndStoreRelaxed(false))
             update();
     }
@@ -413,11 +394,14 @@ bool QCocoaGLContext::setDrawable(QPlatformSurface *surface)
     }
 
     Q_ASSERT(surface->surface()->surfaceClass() == QSurface::Window);
-    QNSView *view = qnsview_cast(static_cast<QCocoaWindow *>(surface)->view());
+    auto *cocoaWindow = static_cast<QCocoaWindow *>(surface);
+    QNSView *view = qnsview_cast(cocoaWindow->view());
 
     if (view == m_context.view)
         return true;
 
+    prepareDrawable(cocoaWindow);
+
     // Setting the drawable may happen on a separate thread as a result of
     // a call to makeCurrent, so we need to set up the observers before we
     // associate the view with the context. That way we will guarantee that
@@ -460,6 +444,30 @@ bool QCocoaGLContext::setDrawable(QPlatformSurface *surface)
     return true;
 }
 
+void QCocoaGLContext::prepareDrawable(QCocoaWindow *platformWindow)
+{
+    // We generally want high-DPI GL surfaces, unless the user has explicitly disabled them
+    bool prefersBestResolutionOpenGLSurface = qt_mac_resolveOption(YES,
+        platformWindow->window(), "_q_mac_wantsBestResolutionOpenGLSurface",
+        "QT_MAC_WANTS_BEST_RESOLUTION_OPENGL_SURFACE");
+
+    auto *view = platformWindow->view();
+
+    // The only case we have to opt out ourselves is when using the Apple software renderer
+    // in combination with surface-backed views, as these together do not support high-DPI.
+    if (prefersBestResolutionOpenGLSurface) {
+        int rendererID = 0;
+        [m_context getValues:&rendererID forParameter:NSOpenGLContextParameterCurrentRendererID];
+        bool isSoftwareRenderer = (rendererID & kCGLRendererIDMatchingMask) == kCGLRendererGenericFloatID;
+        if (isSoftwareRenderer && !view.layer) {
+            qCInfo(lcQpaOpenGLContext) << "Disabling high resolution GL surface due to software renderer";
+            prefersBestResolutionOpenGLSurface = false;
+        }
+    }
+
+    view.wantsBestResolutionOpenGLSurface = prefersBestResolutionOpenGLSurface;
+}
+
 // NSOpenGLContext is not re-entrant. Even when using separate contexts per thread,
 // view, and window, calls into the API will still deadlock. For more information
 // see https://openradar.appspot.com/37064579
@@ -491,6 +499,21 @@ void QCocoaGLContext::swapBuffers(QPlatformSurface *surface)
         return;
     }
 
+    if (m_context.view.layer) {
+        // Flushing an NSOpenGLContext will hit the screen immediately, ignoring
+        // any Core Animation transactions in place. This may result in major
+        // visual artifacts if the flush happens out of sync with the size
+        // of the layer, view, and window reflected by other parts of the UI,
+        // e.g. if the application flushes in the resize event or a timer during
+        // window resizing, instead of in the expose event.
+        auto *cocoaWindow = static_cast<QCocoaWindow *>(surface);
+        if (cocoaWindow->geometry().size() != cocoaWindow->m_exposedRect.size()) {
+            qCInfo(lcQpaOpenGLContext) << "Window exposed size does not match geometry (yet)."
+                << "Skipping flush to avoid visual artifacts.";
+            return;
+        }
+    }
+
     QMutexLocker locker(&s_reentrancyMutex);
     [m_context flushBuffer];
 }
diff --git a/src/plugins/platforms/cocoa/qcocoascreen.h b/src/plugins/platforms/cocoa/qcocoascreen.h
index 60243b79be..7ec9a2b5af 100644
--- a/src/plugins/platforms/cocoa/qcocoascreen.h
+++ b/src/plugins/platforms/cocoa/qcocoascreen.h
@@ -99,18 +99,18 @@ private:
     static void add(CGDirectDisplayID displayId);
     void remove();
 
-    CGDirectDisplayID m_displayId = 0;
+    CGDirectDisplayID m_displayId = kCGNullDirectDisplay;
 
     QRect m_geometry;
     QRect m_availableGeometry;
     QDpi m_logicalDpi;
-    qreal m_refreshRate;
-    int m_depth;
+    qreal m_refreshRate = 0;
+    int m_depth = 0;
     QString m_name;
     QImage::Format m_format;
     QSizeF m_physicalSize;
     QCocoaCursor *m_cursor;
-    qreal m_devicePixelRatio;
+    qreal m_devicePixelRatio = 0;
 
     CVDisplayLinkRef m_displayLink = nullptr;
     dispatch_source_t m_displayLinkSource = nullptr;
diff --git a/src/plugins/platforms/cocoa/qcocoascreen.mm b/src/plugins/platforms/cocoa/qcocoascreen.mm
index 392099d083..bd5c95b9d0 100644
--- a/src/plugins/platforms/cocoa/qcocoascreen.mm
+++ b/src/plugins/platforms/cocoa/qcocoascreen.mm
@@ -54,6 +54,23 @@
 
 QT_BEGIN_NAMESPACE
 
+namespace CoreGraphics {
+    Q_NAMESPACE
+    enum DisplayChange {
+        Moved = kCGDisplayMovedFlag,
+        SetMain = kCGDisplaySetMainFlag,
+        SetMode = kCGDisplaySetModeFlag,
+        Added = kCGDisplayAddFlag,
+        Removed = kCGDisplayRemoveFlag,
+        Enabled = kCGDisplayEnabledFlag,
+        Disabled = kCGDisplayDisabledFlag,
+        Mirrored = kCGDisplayMirrorFlag,
+        UnMirrored = kCGDisplayUnMirrorFlag,
+        DesktopShapeChanged = kCGDisplayDesktopShapeChangedFlag
+    };
+    Q_ENUM_NS(DisplayChange)
+}
+
 void QCocoaScreen::initializeScreens()
 {
     uint32_t displayCount = 0;
@@ -73,6 +90,10 @@ void QCocoaScreen::initializeScreens()
 
         Q_UNUSED(userInfo);
 
+        qCDebug(lcQpaScreen).verbosity(0).nospace() << "Display reconfiguration"
+            << " (" << QFlags<CoreGraphics::DisplayChange>(flags) << ")"
+            << " for displayId=" << displayId;
+
         QCocoaScreen *cocoaScreen = QCocoaScreen::get(displayId);
 
         if ((flags & kCGDisplayAddFlag) || !cocoaScreen) {
@@ -93,22 +114,24 @@ void QCocoaScreen::initializeScreens()
                 mainDisplay->updateProperties();
                 qCInfo(lcQpaScreen) << "Primary screen changed to" << mainDisplay;
                 QWindowSystemInterface::handlePrimaryScreenChanged(mainDisplay);
+                if (cocoaScreen == mainDisplay)
+                    return; // Already reconfigured
             }
 
-            if (cocoaScreen == mainDisplay)
-                return; // Already reconfigured
-
             cocoaScreen->updateProperties();
-            qCInfo(lcQpaScreen) << "Reconfigured" << cocoaScreen;
+            qCInfo(lcQpaScreen).nospace() << "Reconfigured " <<
+                (primaryScreen() == cocoaScreen ? "primary " : "")
+                << cocoaScreen;
         }
     }, nullptr);
 }
 
 void QCocoaScreen::add(CGDirectDisplayID displayId)
 {
+    const bool isPrimary = CGDisplayIsMain(displayId);
     QCocoaScreen *cocoaScreen = new QCocoaScreen(displayId);
-    qCInfo(lcQpaScreen) << "Adding" << cocoaScreen;
-    QWindowSystemInterface::handleScreenAdded(cocoaScreen, CGDisplayIsMain(displayId));
+    qCInfo(lcQpaScreen).nospace() << "Adding " << (isPrimary ? "new primary " : "") << cocoaScreen;
+    QWindowSystemInterface::handleScreenAdded(cocoaScreen, isPrimary);
 }
 
 QCocoaScreen::QCocoaScreen(CGDirectDisplayID displayId)
@@ -127,7 +150,7 @@ void QCocoaScreen::cleanupScreens()
 
 void QCocoaScreen::remove()
 {
-    m_displayId = 0; // Prevent stale references during removal
+    m_displayId = kCGNullDirectDisplay; // Prevent stale references during removal
 
     // This may result in the application responding to QGuiApplication::screenRemoved
     // by moving the window to another screen, either by setGeometry, or by setScreen.
@@ -140,6 +163,7 @@ void QCocoaScreen::remove()
     // QCocoaWindow::windowDidChangeScreen. At that point the window will appear to have
     // already changed its screen, but that's only true if comparing the Qt screens,
     // not when comparing the NSScreens.
+    qCInfo(lcQpaScreen).nospace() << "Removing " << (primaryScreen() == this ? "current primary " : "") << this;
     QWindowSystemInterface::handleScreenRemoved(this);
 }
 
@@ -351,15 +375,6 @@ void QCocoaScreen::deliverUpdateRequests()
             // it on the main thread yet, because the processing of the update request is taking
             // too long, or because the update request was deferred due to window live resizing.
             qDeferredDebug(screenUpdates) << ", " << framesAheadOfDelivery << " frame(s) ahead";
-
-            // We skip the frame completely if we're live-resizing, to not put any extra
-            // strain on the main thread runloop. Otherwise we assume we should push frames
-            // as fast as possible, and hopefully the callback will be delivered on the
-            // main thread just when the previous finished.
-            if (qt_apple_sharedApplication().keyWindow.inLiveResize) {
-                qDeferredDebug(screenUpdates) << "; waiting for main thread to catch up";
-                return;
-            }
         }
 
         qDeferredDebug(screenUpdates) << "; signaling dispatch source";
@@ -552,10 +567,10 @@ QPixmap QCocoaScreen::grabWindow(WId view, int x, int y, int width, int height)
 */
 QCocoaScreen *QCocoaScreen::primaryScreen()
 {
-    auto screen = static_cast<QCocoaScreen *>(QGuiApplication::primaryScreen()->handle());
-    Q_ASSERT_X(screen == get(CGMainDisplayID()), "QCocoaScreen",
-        "The application's primary screen should always be in sync with the main display");
-    return screen;
+    // Note: The primary screen that Qt knows about may not match the current CGMainDisplayID()
+    // if macOS has not yet been able to inform us that the main display has changed, but we
+    // will update the primary screen accordingly once the reconfiguration callback comes in.
+    return static_cast<QCocoaScreen *>(QGuiApplication::primaryScreen()->handle());
 }
 
 QList<QPlatformScreen*> QCocoaScreen::virtualSiblings() const
@@ -597,7 +612,7 @@ NSScreen *QCocoaScreen::nativeScreen() const
     QCFType<CFUUIDRef> uuid = CGDisplayCreateUUIDFromDisplayID(m_displayId);
 
     for (NSScreen *screen in [NSScreen screens]) {
-        if (CGDisplayCreateUUIDFromDisplayID(screen.qt_displayId) == uuid)
+        if (QCFType<CFUUIDRef>(CGDisplayCreateUUIDFromDisplayID(screen.qt_displayId)) == uuid)
             return screen;
     }
 
@@ -639,6 +654,7 @@ QDebug operator<<(QDebug debug, const QCocoaScreen *screen)
         debug << ", geometry=" << screen->geometry();
         debug << ", dpr=" << screen->devicePixelRatio();
         debug << ", name=" << screen->name();
+        debug << ", displayId=" << screen->m_displayId;
         debug << ", native=" << screen->nativeScreen();
     }
     debug << ')';
@@ -646,6 +662,8 @@ QDebug operator<<(QDebug debug, const QCocoaScreen *screen)
 }
 #endif // !QT_NO_DEBUG_STREAM
 
+#include "qcocoascreen.moc"
+
 QT_END_NAMESPACE
 
 @implementation NSScreen (QtExtras)
diff --git a/src/plugins/platforms/cocoa/qcocoawindow.mm b/src/plugins/platforms/cocoa/qcocoawindow.mm
index f212b3e3f0..21366b4f67 100644
--- a/src/plugins/platforms/cocoa/qcocoawindow.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindow.mm
@@ -1509,17 +1509,6 @@ bool QCocoaWindow::updatesWithDisplayLink() const
 
 void QCocoaWindow::deliverUpdateRequest()
 {
-    // Don't send update requests for views that need display, as the update
-    // request doesn't carry any information about dirty rects, so the app
-    // may end up painting a smaller region than required. (For some reason
-    // the layer and view's needsDisplay status isn't always in sync, even if
-    // the view is layer-backed, not layer-hosted, so we check both).
-    if (m_view.layer.needsDisplay || m_view.needsDisplay) {
-        qCDebug(lcQpaDrawing) << "View needs display, deferring update request for" << window();
-        requestUpdate();
-        return;
-    }
-
     qCDebug(lcQpaDrawing) << "Delivering update request to" << window();
     QPlatformWindow::deliverUpdateRequest();
 }
diff --git a/src/plugins/platforms/cocoa/qnsview_drawing.mm b/src/plugins/platforms/cocoa/qnsview_drawing.mm
index eb9286519d..2fd63fad67 100644
--- a/src/plugins/platforms/cocoa/qnsview_drawing.mm
+++ b/src/plugins/platforms/cocoa/qnsview_drawing.mm
@@ -44,17 +44,6 @@
 - (void)initDrawing
 {
     [self updateLayerBacking];
-
-    // Enable high-DPI OpenGL for retina displays. Enabling has the side
-    // effect that Cocoa will start calling glViewport(0, 0, width, height),
-    // overriding any glViewport calls in application code. This is usually not a
-    // problem, except if the application wants to have a "custom" viewport.
-    // (like the hellogl example)
-    if (m_platformWindow->window()->supportsOpenGL()) {
-        self.wantsBestResolutionOpenGLSurface = qt_mac_resolveOption(YES, m_platformWindow->window(),
-            "_q_mac_wantsBestResolutionOpenGLSurface", "QT_MAC_WANTS_BEST_RESOLUTION_OPENGL_SURFACE");
-        // See also QCocoaGLContext::makeCurrent for software renderer workarounds.
-    }
 }
 
 - (BOOL)isOpaque
diff --git a/src/plugins/platforms/cocoa/qprintengine_mac.mm b/src/plugins/platforms/cocoa/qprintengine_mac.mm
index 58ad53a6e1..dcb9a85a3c 100644
--- a/src/plugins/platforms/cocoa/qprintengine_mac.mm
+++ b/src/plugins/platforms/cocoa/qprintengine_mac.mm
@@ -59,6 +59,8 @@ QMacPrintEngine::QMacPrintEngine(QPrinter::PrinterMode mode, const QString &devi
     QString id = deviceId;
     if (id.isEmpty())
         id = QCocoaPrinterSupport().defaultPrintDeviceId();
+    else
+        setProperty(QPrintEngine::PPK_PrinterName, deviceId);
     d->m_printDevice.reset(new QCocoaPrintDevice(id));
     d->m_pageLayout.setPageSize(d->m_printDevice->defaultPageSize());
     d->initialize();
diff --git a/src/plugins/platforms/haiku/qhaikuapplication.cpp b/src/plugins/platforms/haiku/qhaikuapplication.cpp
index b75810c453..de4acdfd4a 100644
--- a/src/plugins/platforms/haiku/qhaikuapplication.cpp
+++ b/src/plugins/platforms/haiku/qhaikuapplication.cpp
@@ -42,6 +42,8 @@
 #include <QCoreApplication>
 #include <QFileOpenEvent>
 
+#include <qpa/qwindowsysteminterface.h>
+
 #include <Entry.h>
 #include <Path.h>
 
@@ -52,8 +54,7 @@ QHaikuApplication::QHaikuApplication(const char *signature)
 
 bool QHaikuApplication::QuitRequested()
 {
-    QEvent quitEvent(QEvent::Quit);
-    QCoreApplication::sendEvent(QCoreApplication::instance(), &quitEvent);
+    QWindowSystemInterface::handleApplicationTermination<QWindowSystemInterface::SynchronousDelivery>();
     return true;
 }
 
diff --git a/src/plugins/platforms/wasm/wasm_shell.html b/src/plugins/platforms/wasm/wasm_shell.html
index a118c217f3..d4bf632830 100644
--- a/src/plugins/platforms/wasm/wasm_shell.html
+++ b/src/plugins/platforms/wasm/wasm_shell.html
@@ -17,7 +17,7 @@
   <body onload="init()">
     <figure style="overflow:visible;" id="qtspinner">
       <center style="margin-top:1.5em; line-height:150%">
-        <img src="qtlogo.svg"; width=320; height=200; style="display:block"> </img>
+        <img src="qtlogo.svg" width="320" height="200" style="display:block"></img>
         <strong>Qt for WebAssembly: @APPNAME@</strong>
         <div id="qtstatus"></div>
         <noscript>JavaScript is disabled. Please enable JavaScript to use this application.</noscript>
diff --git a/src/plugins/platforms/windows/qwindowstheme.cpp b/src/plugins/platforms/windows/qwindowstheme.cpp
index 437c9562ab..40f9652cbd 100644
--- a/src/plugins/platforms/windows/qwindowstheme.cpp
+++ b/src/plugins/platforms/windows/qwindowstheme.cpp
@@ -466,6 +466,8 @@ QVariant QWindowsTheme::themeHint(ThemeHint hint) const
             result = int(scrollLines);
         return QVariant(result);
     }
+    case MouseDoubleClickDistance:
+        return GetSystemMetrics(SM_CXDOUBLECLK);
     default:
         break;
     }
diff --git a/src/plugins/platforms/xcb/qxcbdrag.cpp b/src/plugins/platforms/xcb/qxcbdrag.cpp
index 1ce947165d..3d525598ca 100644
--- a/src/plugins/platforms/xcb/qxcbdrag.cpp
+++ b/src/plugins/platforms/xcb/qxcbdrag.cpp
@@ -354,6 +354,11 @@ bool QXcbDrag::findXdndAwareTarget(const QPoint &globalPos, xcb_window_t *target
 
 void QXcbDrag::move(const QPoint &globalPos, Qt::MouseButtons b, Qt::KeyboardModifiers mods)
 {
+    // currentDrag() might be deleted while 'drag' is progressing
+    if (!currentDrag()) {
+        cancel();
+        return;
+    }
     // The source sends XdndEnter and XdndPosition to the target.
     if (source_sameanswer.contains(globalPos) && source_sameanswer.isValid())
         return;
@@ -1076,7 +1081,8 @@ void QXcbDrag::cancel()
         send_leave();
 
     // remove canceled object
-    currentDrag()->deleteLater();
+    if (currentDrag())
+        currentDrag()->deleteLater();
 
     canceled = true;
 }
diff --git a/src/plugins/platforms/xcb/qxcbsessionmanager.cpp b/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
index 2303ccf806..f880d4d722 100644
--- a/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
+++ b/src/plugins/platforms/xcb/qxcbsessionmanager.cpp
@@ -42,6 +42,8 @@
 
 #ifndef QT_NO_SESSIONMANAGER
 
+#include <qpa/qwindowsysteminterface.h>
+
 #include <qguiapplication.h>
 #include <qdatetime.h>
 #include <qfileinfo.h>
@@ -289,8 +291,7 @@ static void sm_dieCallback(SmcConn smcConn, SmPointer /* clientData */)
     if (smcConn != smcConnection)
         return;
     resetSmState();
-    QEvent quitEvent(QEvent::Quit);
-    QGuiApplication::sendEvent(qApp, &quitEvent);
+    QWindowSystemInterface::handleApplicationTermination<QWindowSystemInterface::SynchronousDelivery>();
 }
 
 static void sm_shutdownCancelledCallback(SmcConn smcConn, SmPointer clientData)
diff --git a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
index 5bf23fdaed..e1ede4aec1 100644
--- a/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
+++ b/src/plugins/sqldrivers/odbc/qsql_odbc.cpp
@@ -221,18 +221,18 @@ public:
     int disconnectCount;
     bool hasSQLFetchScroll;
 
-    bool isStmtHandleValid();
+    bool isStmtHandleValid() const;
     void updateStmtHandleState();
 };
 
-bool QODBCResultPrivate::isStmtHandleValid()
+bool QODBCResultPrivate::isStmtHandleValid() const
 {
-    return disconnectCount == drv_d_func()->disconnectCount;
+    return drv_d_func() && disconnectCount == drv_d_func()->disconnectCount;
 }
 
 void QODBCResultPrivate::updateStmtHandleState()
 {
-    disconnectCount = drv_d_func()->disconnectCount;
+    disconnectCount = drv_d_func() ? drv_d_func()->disconnectCount : 0;
 }
 
 static QString qWarnODBCHandle(int handleType, SQLHANDLE handle, int *nativeCode = 0)
@@ -975,7 +975,7 @@ QODBCResult::QODBCResult(const QODBCDriver *db)
 QODBCResult::~QODBCResult()
 {
     Q_D(QODBCResult);
-    if (d->hStmt && d->isStmtHandleValid() && driver()->isOpen()) {
+    if (d->hStmt && d->isStmtHandleValid() && driver() && driver()->isOpen()) {
         SQLRETURN r = SQLFreeHandle(SQL_HANDLE_STMT, d->hStmt);
         if (r != SQL_SUCCESS)
             qSqlWarning(QLatin1String("QODBCDriver: Unable to free statement handle ")
diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp
index b85a1ac4c7..68313b7ff0 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql.cpp
+++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp
@@ -1078,8 +1078,10 @@ static QPSQLDriver::Protocol qMakePSQLVersion(int vMaj, int vMin)
         return QPSQLDriver::Version10;
     case 11:
         return QPSQLDriver::Version11;
+    case 12:
+        return QPSQLDriver::Version12;
     default:
-        if (vMaj > 11)
+        if (vMaj > 12)
             return QPSQLDriver::UnknownLaterVersion;
         break;
     }
@@ -1439,26 +1441,29 @@ QSqlRecord QPSQLDriver::record(const QString &tablename) const
     schema = stripDelimiters(schema, QSqlDriver::TableName);
     tbl = stripDelimiters(tbl, QSqlDriver::TableName);
 
-    QString stmt = QStringLiteral("SELECT pg_attribute.attname, pg_attribute.atttypid::int, "
-                                  "pg_attribute.attnotnull, pg_attribute.attlen, pg_attribute.atttypmod, "
-                                  "pg_attrdef.adsrc "
-                                  "FROM pg_class, pg_attribute "
-                                  "LEFT JOIN pg_attrdef ON (pg_attrdef.adrelid = "
-                                  "pg_attribute.attrelid AND pg_attrdef.adnum = pg_attribute.attnum) "
-                                  "WHERE %1 "
-                                  "AND pg_class.relname = '%2' "
-                                  "AND pg_attribute.attnum > 0 "
-                                  "AND pg_attribute.attrelid = pg_class.oid "
-                                  "AND pg_attribute.attisdropped = false "
-                                  "ORDER BY pg_attribute.attnum");
-    if (schema.isEmpty())
-        stmt = stmt.arg(QStringLiteral("pg_table_is_visible(pg_class.oid)"));
-    else
-        stmt = stmt.arg(QStringLiteral("pg_class.relnamespace = (SELECT oid FROM "
-                                            "pg_namespace WHERE pg_namespace.nspname = '%1')").arg(schema));
+    const QString adsrc = protocol() < Version8
+        ? QStringLiteral("pg_attrdef.adsrc")
+        : QStringLiteral("pg_get_expr(pg_attrdef.adbin, pg_attrdef.adrelid)");
+    const QString nspname = schema.isEmpty()
+        ? QStringLiteral("pg_table_is_visible(pg_class.oid)")
+        : QStringLiteral("pg_class.relnamespace = (SELECT oid FROM "
+                         "pg_namespace WHERE pg_namespace.nspname = '%1')").arg(schema);
+    const QString stmt =
+        QStringLiteral("SELECT pg_attribute.attname, pg_attribute.atttypid::int, "
+                       "pg_attribute.attnotnull, pg_attribute.attlen, pg_attribute.atttypmod, "
+                       "%1 "
+                       "FROM pg_class, pg_attribute "
+                       "LEFT JOIN pg_attrdef ON (pg_attrdef.adrelid = "
+                       "pg_attribute.attrelid AND pg_attrdef.adnum = pg_attribute.attnum) "
+                       "WHERE %2 "
+                       "AND pg_class.relname = '%3' "
+                       "AND pg_attribute.attnum > 0 "
+                       "AND pg_attribute.attrelid = pg_class.oid "
+                       "AND pg_attribute.attisdropped = false "
+                       "ORDER BY pg_attribute.attnum").arg(adsrc, nspname, tbl);
 
     QSqlQuery query(createResult());
-    query.exec(stmt.arg(tbl));
+    query.exec(stmt);
     while (query.next()) {
         int len = query.value(3).toInt();
         int precision = query.value(4).toInt();
diff --git a/src/plugins/sqldrivers/psql/qsql_psql_p.h b/src/plugins/sqldrivers/psql/qsql_psql_p.h
index 99e0b5f60f..9ac1fb50d7 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql_p.h
+++ b/src/plugins/sqldrivers/psql/qsql_psql_p.h
@@ -93,6 +93,7 @@ public:
         Version9_6 = 22,
         Version10 = 23,
         Version11 = 24,
+        Version12 = 25,
         UnknownLaterVersion = 100000
     };