Merge remote-tracking branch 'origin/5.11' into dev

 Conflicts:
	.qmake.conf
	src/corelib/doc/src/objectmodel/signalsandslots.qdoc
	src/plugins/platforms/cocoa/qcocoamenuloader.mm
	src/plugins/platforms/xcb/qxcbconnection.cpp
	src/plugins/platforms/xcb/qxcbconnection.h
	src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
	src/plugins/platforms/xcb/qxcbwindow.cpp
	tests/auto/gui/image/qimage/tst_qimage.cpp

Done-with: Gatis Paeglis <gatis.paeglis@qt.io>
Change-Id: I9bd24ee9b00d4f26c8f344ce3970aa6e93935ff5

57 files changed, 848 insertions, 506 deletions

diff --git a/doc/global/externalsites/qtcreator.qdoc b/doc/global/externalsites/qtcreator.qdoc
index d70f35b04c..98a5c9f12b 100644
--- a/doc/global/externalsites/qtcreator.qdoc
+++ b/doc/global/externalsites/qtcreator.qdoc
@@ -520,7 +520,7 @@
     \title Qt Creator: Adding Debuggers
 */
 /*!
-    \externalpage http://doc.qt.io/qtcreator/qtcreator-accelbubble-example.html
+    \externalpage http://doc.qt.io/qtcreator/qt-creator-accelbubble-example.html
     \title Qt Creator: Creating a Mobile Application
 */
 /*!
diff --git a/doc/src/images/sliders-example.png b/doc/src/images/sliders-example.png
index a67ce1dbda..d2a9c4804d 100644
--- a/doc/src/images/sliders-example.png
+++ b/doc/src/images/sliders-example.png
diff --git a/examples/widgets/tools/plugandpaint/app/interfaces.h b/examples/widgets/tools/plugandpaint/app/interfaces.h
index 53f447ce87..a1e91e13ff 100644
--- a/examples/widgets/tools/plugandpaint/app/interfaces.h
+++ b/examples/widgets/tools/plugandpaint/app/interfaces.h
@@ -106,16 +106,16 @@ public:
 
 QT_BEGIN_NAMESPACE
 //! [3] //! [4]
-#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface"
+#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface/1.0"
 
 Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid)
 //! [3]
 
-#define ShapeInterface_iid  "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface"
+#define ShapeInterface_iid  "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface/1.0"
 
 Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid)
 //! [5]
-#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface"
+#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface/1.0"
 
 Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid)
 //! [4] //! [5]
diff --git a/mkspecs/common/g++-win32.conf b/mkspecs/common/g++-win32.conf
index 610503379d..f0df324b64 100644
--- a/mkspecs/common/g++-win32.conf
+++ b/mkspecs/common/g++-win32.conf
@@ -18,7 +18,7 @@ include(g++-base.conf)
 MAKEFILE_GENERATOR      = MINGW
 QMAKE_PLATFORM          = win32 mingw
 CONFIG                 += debug_and_release debug_and_release_target precompile_header
-DEFINES                += UNICODE _UNICODE WIN32
+DEFINES                += UNICODE _UNICODE WIN32 MINGW_HAS_SECURE_API=1
 QMAKE_COMPILER_DEFINES += __GNUC__ _WIN32
 # can't add 'DEFINES += WIN64' and 'QMAKE_COMPILER_DEFINES += _WIN64' defines for
 # x86_64 platform similar to 'msvc-desktop.conf' toolchain, because, unlike for MSVC,
diff --git a/qmake/Makefile.unix.win32 b/qmake/Makefile.unix.win32
index bfcad35357..48efd6f030 100644
--- a/qmake/Makefile.unix.win32
+++ b/qmake/Makefile.unix.win32
@@ -1,5 +1,5 @@
 EXEEXT = .exe
-EXTRA_CXXFLAGS = -DUNICODE
+EXTRA_CXXFLAGS = -DUNICODE -DMINGW_HAS_SECURE_API=1
 EXTRA_LFLAGS = -static -s -lole32 -luuid -ladvapi32 -lkernel32 -lnetapi32
 QTOBJS = \
     qfilesystemengine_win.o \
diff --git a/qmake/generators/makefile.cpp b/qmake/generators/makefile.cpp
index de75bcc569..fd8c0a965c 100644
--- a/qmake/generators/makefile.cpp
+++ b/qmake/generators/makefile.cpp
@@ -2873,7 +2873,16 @@ MakefileGenerator::escapeDependencyPath(const QString &path) const
     QString ret = path;
     if (!ret.isEmpty()) {
         // Unix make semantics, to be inherited by unix and mingw generators.
+#ifdef Q_OS_UNIX
+        // When running on Unix, we need to escape colons (which may appear
+        // anywhere in a path, and would be mis-parsed as dependency separators).
         static const QRegExp criticalChars(QStringLiteral("([\t :#])"));
+#else
+        // MinGW make has a hack for colons which denote drive letters, and no
+        // other colons may appear in paths. And escaping colons actually breaks
+        // the make from the Android SDK.
+        static const QRegExp criticalChars(QStringLiteral("([\t #])"));
+#endif
         ret.replace(criticalChars, QStringLiteral("\\\\1"));
         debug_msg(2, "escapeDependencyPath: %s -> %s", path.toLatin1().constData(), ret.toLatin1().constData());
     }
diff --git a/qmake/qmake.pri b/qmake/qmake.pri
deleted file mode 100644
index f6f6a47e95..0000000000
--- a/qmake/qmake.pri
+++ /dev/null
@@ -1,169 +0,0 @@
-
-#qmake code
-SOURCES += project.cpp property.cpp main.cpp \
-           library/ioutils.cpp library/proitems.cpp library/qmakevfs.cpp library/qmakeglobals.cpp \
-           library/qmakeparser.cpp library/qmakeevaluator.cpp library/qmakebuiltins.cpp \
-           generators/makefile.cpp \
-           generators/unix/unixmake2.cpp generators/unix/unixmake.cpp meta.cpp \
-           option.cpp generators/win32/winmakefile.cpp generators/win32/mingw_make.cpp \
-           generators/makefiledeps.cpp generators/metamakefile.cpp generators/mac/pbuilder_pbx.cpp \
-           generators/xmloutput.cpp \
-           generators/win32/msvc_nmake.cpp generators/projectgenerator.cpp \
-           generators/win32/msvc_vcproj.cpp \
-           generators/win32/msvc_vcxproj.cpp \
-           generators/win32/msvc_objectmodel.cpp generators/win32/msbuild_objectmodel.cpp
-
-HEADERS += project.h property.h \
-           library/qmake_global.h library/ioutils.h library/proitems.h library/qmakevfs.h library/qmakeglobals.h \
-           library/qmakeparser.h library/qmakeevaluator.h library/qmakeevaluator_p.h \
-           generators/makefile.h \
-           generators/unix/unixmake.h meta.h option.h cachekeys.h \
-           generators/win32/winmakefile.h generators/win32/mingw_make.h generators/projectgenerator.h \
-           generators/makefiledeps.h generators/metamakefile.h generators/mac/pbuilder_pbx.h \
-           generators/xmloutput.h generators/win32/msvc_nmake.h \
-           generators/win32/msvc_vcproj.h \
-           generators/win32/msvc_vcxproj.h \
-           generators/win32/msvc_objectmodel.h generators/win32/msbuild_objectmodel.h
-
-bootstrap { #Qt code
-   SOURCES+= \
-        qbitarray.cpp \
-        qbuffer.cpp \
-        qarraydata.cpp \
-        qbytearray.cpp \
-        qbytearraymatcher.cpp \
-        qcryptographichash.cpp \
-        qdatetime.cpp \
-        qdir.cpp \
-        qdiriterator.cpp \
-        qfiledevice.cpp \
-        qfile.cpp \
-        qabstractfileengine.cpp \
-        qfileinfo.cpp \
-        qfilesystementry.cpp \
-        qfilesystemengine.cpp \
-        qfsfileengine.cpp \
-        qfsfileengine_iterator.cpp \
-        qglobal.cpp \
-        qnumeric.cpp \
-        qhash.cpp \
-        qiodevice.cpp \
-        qlist.cpp \
-        qlinkedlist.cpp \
-        qlocale.cpp \
-        qlocale_tools.cpp \
-        qmalloc.cpp \
-        qmap.cpp \
-        qmetatype.cpp \
-        qregexp.cpp \
-        qtextcodec.cpp \
-        qutfcodec.cpp \
-        qstring.cpp \
-        qstring_compat.cpp \
-        qstringlist.cpp \
-        qtemporaryfile.cpp \
-        qtextstream.cpp \
-        quuid.cpp \
-        qsettings.cpp \
-        qlibraryinfo.cpp \
-        qsystemerror.cpp \
-        qvariant.cpp \
-        qversionnumber.cpp \
-        qvsnprintf.cpp \
-        qxmlstream.cpp \
-        qxmlutils.cpp \
-        qlogging.cpp \
-        qjson.cpp \
-        qjsondocument.cpp \
-        qjsonparser.cpp \
-        qjsonarray.cpp \
-        qjsonobject.cpp \
-        qjsonvalue.cpp
-
-   HEADERS+= \
-        qbitarray.h \
-        qbuffer.h \
-        qarraydata.h \
-        qbytearray.h \
-        qarraydataops.h \
-        qarraydatapointer.h \
-        qbytearraymatcher.h \
-        qchar.h \
-        qcryptographichash.h \
-        qdatetime.h \
-        qdatetime_p.h \
-        qdir.h \
-        qdir_p.h \
-        qdiriterator.h \
-        qfile.h \
-        qabstractfileengine_p.h \
-        qfileinfo.h \
-        qglobal.h \
-        qnumeric.h \
-        qhash.h \
-        qiodevice.h \
-        qlist.h \
-        qlinkedlist.h \
-        qlocale.h \
-        qlocale_tools_p.h \
-        qmalloc.h \
-        qmap.h \
-        qmetatype.h \
-        qregexp.h \
-        qtextcodec.h \
-        qutfcodec.h \
-        qstring.h \
-        qstringlist.h \
-        qstringmatcher.h \
-        qsystemerror_p.h \
-        qtemporaryfile.h \
-        qtextstream.h \
-        quuid.h \
-        qvector.h \
-        qversionnumber.h \
-        qxmlstream.h \
-        qxmlutils.h \
-        qjson.h \
-        qjsondocument.h \
-        qjsonparser.h \
-        qjsonwriter.h \
-        qjsonarray.h \
-        qjsonobject.h \
-        qjsonvalue.h
-
-    unix {
-        SOURCES += qfilesystemengine_unix.cpp qfilesystemiterator_unix.cpp qfsfileengine_unix.cpp
-        mac {
-          SOURCES += qcore_mac.cpp qsettings_mac.cpp qcore_mac_objc.mm qlocale_mac.mm
-          LIBS += -framework ApplicationServices -framework CoreServices -framework Foundation
-        } else {
-          SOURCES += qlocale_unix.cpp
-        }
-    } else:win32 {
-        SOURCES += qfilesystemengine_win.cpp qfsfileengine_win.cpp qfilesystemiterator_win.cpp qsettings_win.cpp \
-            qsystemlibrary.cpp qlocale_win.cpp registry.cpp
-        win32-msvc*:LIBS += ole32.lib advapi32.lib netapi32.lib
-        mingw:LIBS += -lole32 -luuid -ladvapi32 -lkernel32 -lnetapi32
-    }
-
-    qnx {
-        CFLAGS += -fhonor-std
-        LFLAGS += -lcpp
-    }
-
-    DEFINES += QT_BOOTSTRAPPED
-
-    INCLUDEPATH += \
-        $$QT.core.includes $$QT.core_private.includes \
-        $$shadowed(../src/corelib/global)
-} else {
-    CONFIG += qt
-    QT = core
-}
-*-g++:profiling {
-  QMAKE_CFLAGS = -pg
-  QMAKE_CXXFLAGS = -pg
-  QMAKE_LFLAGS = -pg
-}
-
-PRECOMPILED_HEADER = qmake_pch.h
diff --git a/qmake/qmake.pro b/qmake/qmake.pro
index 000aec45fc..7c3ce3ef89 100644
--- a/qmake/qmake.pro
+++ b/qmake/qmake.pro
@@ -3,12 +3,101 @@
 # and the configures.
 
 option(host_build)
-CONFIG += console bootstrap
-CONFIG -= qt
+CONFIG += console
+CONFIG -= qt app_bundle
+
 DEFINES += \
+    PROEVALUATOR_FULL \
+    QT_BOOTSTRAPPED \
     QT_BUILD_QMAKE \
     QT_NO_FOREACH \
-    PROEVALUATOR_FULL
+    $$shell_quote(QT_VERSION_STR=\"$$QT_VERSION\") \
+    QT_VERSION_MAJOR=$$QT_MAJOR_VERSION \
+    QT_VERSION_MINOR=$$QT_MINOR_VERSION \
+    QT_VERSION_PATCH=$$QT_PATCH_VERSION
+
+win32: DEFINES += \
+    UNICODE \
+    _ENABLE_EXTENDED_ALIGNED_STORAGE \
+    _CRT_SECURE_NO_WARNINGS _SCL_SECURE_NO_WARNINGS
+
+# qmake code
+
+PRECOMPILED_HEADER = qmake_pch.h
+
+INCLUDEPATH += \
+    . \
+    library \
+    generators \
+    generators/unix \
+    generators/win32 \
+    generators/mac
+
+SOURCES += \
+    main.cpp \
+    meta.cpp \
+    option.cpp \
+    project.cpp \
+    property.cpp \
+    library/ioutils.cpp \
+    library/proitems.cpp \
+    library/qmakebuiltins.cpp \
+    library/qmakeevaluator.cpp \
+    library/qmakeglobals.cpp \
+    library/qmakeparser.cpp \
+    library/qmakevfs.cpp \
+    generators/makefile.cpp \
+    generators/makefiledeps.cpp \
+    generators/metamakefile.cpp \
+    generators/projectgenerator.cpp \
+    generators/xmloutput.cpp \
+    generators/mac/pbuilder_pbx.cpp \
+    generators/unix/unixmake.cpp \
+    generators/unix/unixmake2.cpp \
+    generators/win32/mingw_make.cpp \
+    generators/win32/msbuild_objectmodel.cpp \
+    generators/win32/msvc_nmake.cpp \
+    generators/win32/msvc_objectmodel.cpp \
+    generators/win32/msvc_vcproj.cpp \
+    generators/win32/msvc_vcxproj.cpp \
+    generators/win32/winmakefile.cpp
+
+HEADERS += \
+    cachekeys.h \
+    meta.h \
+    option.h \
+    project.h \
+    property.h \
+    library/ioutils.h \
+    library/proitems.h \
+    library/qmake_global.h \
+    library/qmakeevaluator.h \
+    library/qmakeevaluator_p.h \
+    library/qmakeglobals.h \
+    library/qmakeparser.h \
+    library/qmakevfs.h \
+    generators/makefile.h \
+    generators/makefiledeps.h \
+    generators/metamakefile.h \
+    generators/projectgenerator.h \
+    generators/xmloutput.h \
+    generators/mac/pbuilder_pbx.h \
+    generators/unix/unixmake.h \
+    generators/win32/mingw_make.h \
+    generators/win32/msbuild_objectmodel.h \
+    generators/win32/msvc_nmake.h \
+    generators/win32/msvc_objectmodel.h \
+    generators/win32/msvc_vcproj.h \
+    generators/win32/msvc_vcxproj.h \
+    generators/win32/winmakefile.h
+
+# qt code
+
+bp = $$shadowed(..)
+INCLUDEPATH += \
+    $$bp/include $$bp/include/QtCore \
+    $$bp/include/QtCore/$$QT_VERSION $$bp/include/QtCore/$$QT_VERSION/QtCore
+    $$bp/src/corelib/global
 
 VPATH += \
     ../src/corelib/global \
@@ -17,17 +106,143 @@ VPATH += \
     ../src/corelib/codecs \
     ../src/corelib/plugin \
     ../src/corelib/io \
-    ../src/corelib/serialization \
-    ../tools/shared/windows
+    ../src/corelib/serialization
 
-INCLUDEPATH += . \
-           library \
-           generators \
-           generators/unix \
-           generators/win32 \
-           generators/mac \
-           ../tools/shared
+SOURCES += \
+    qabstractfileengine.cpp \
+    qarraydata.cpp \
+    qbitarray.cpp \
+    qbuffer.cpp \
+    qbytearray.cpp \
+    qbytearraymatcher.cpp \
+    qcryptographichash.cpp \
+    qdatetime.cpp \
+    qdir.cpp \
+    qdiriterator.cpp \
+    qfile.cpp \
+    qfiledevice.cpp \
+    qfileinfo.cpp \
+    qfilesystemengine.cpp \
+    qfilesystementry.cpp \
+    qfsfileengine.cpp \
+    qfsfileengine_iterator.cpp \
+    qglobal.cpp \
+    qhash.cpp \
+    qiodevice.cpp \
+    qjson.cpp \
+    qjsonarray.cpp \
+    qjsondocument.cpp \
+    qjsonobject.cpp \
+    qjsonparser.cpp \
+    qjsonvalue.cpp \
+    qlibraryinfo.cpp \
+    qlinkedlist.cpp \
+    qlist.cpp \
+    qlocale.cpp \
+    qlocale_tools.cpp \
+    qlogging.cpp \
+    qmalloc.cpp \
+    qmap.cpp \
+    qmetatype.cpp \
+    qnumeric.cpp \
+    qregexp.cpp \
+    qsettings.cpp \
+    qstring.cpp \
+    qstring_compat.cpp \
+    qstringlist.cpp \
+    qsystemerror.cpp \
+    qtemporaryfile.cpp \
+    qtextcodec.cpp \
+    qtextstream.cpp \
+    qutfcodec.cpp \
+    quuid.cpp \
+    qvariant.cpp \
+    qversionnumber.cpp \
+    qvsnprintf.cpp \
+    qxmlstream.cpp \
+    qxmlutils.cpp
 
-include(qmake.pri)
+HEADERS += \
+    qabstractfileengine_p.h \
+    qarraydata.h \
+    qarraydataops.h \
+    qarraydatapointer.h \
+    qbitarray.h \
+    qbuffer.h \
+    qbytearray.h \
+    qbytearraymatcher.h \
+    qchar.h \
+    qcryptographichash.h \
+    qdatetime.h \
+    qdatetime_p.h \
+    qdir.h \
+    qdir_p.h \
+    qdiriterator.h \
+    qfile.h \
+    qfileinfo.h \
+    qglobal.h \
+    qhash.h \
+    qiodevice.h \
+    qjson.h \
+    qjsonarray.h \
+    qjsondocument.h \
+    qjsonobject.h \
+    qjsonparser.h \
+    qjsonvalue.h \
+    qjsonwriter.h \
+    qlinkedlist.h \
+    qlist.h \
+    qlocale.h \
+    qlocale_tools_p.h \
+    qmalloc.h \
+    qmap.h \
+    qmetatype.h \
+    qnumeric.h \
+    qregexp.h \
+    qstring.h \
+    qstringlist.h \
+    qstringmatcher.h \
+    qsystemerror_p.h \
+    qtemporaryfile.h \
+    qtextcodec.h \
+    qtextstream.h \
+    qutfcodec.h \
+    quuid.h \
+    qvector.h \
+    qversionnumber.h \
+    qxmlstream.h \
+    qxmlutils.h
 
-load(qt_app)
+unix {
+    SOURCES += \
+        qcore_unix.cpp \
+        qfilesystemengine_unix.cpp \
+        qfilesystemiterator_unix.cpp \
+        qfsfileengine_unix.cpp \
+        qlocale_unix.cpp
+    macos {
+        SOURCES += \
+            qcore_foundation.mm \
+            qcore_mac.cpp \
+            qoperatingsystemversion_darwin.mm \
+            qsettings_mac.cpp
+        LIBS += \
+            -framework ApplicationServices \
+            -framework CoreServices \
+            -framework Foundation
+        QMAKE_CXXFLAGS += -fconstant-cfstrings
+    }
+} else {
+    SOURCES += \
+        qfilesystemengine_win.cpp \
+        qfilesystemiterator_win.cpp \
+        qfsfileengine_win.cpp \
+        qlocale_win.cpp \
+        qoperatingsystemversion_win.cpp \
+        qsettings_win.cpp \
+        qsystemlibrary.cpp \
+        registry.cpp
+    LIBS += -lole32 -ladvapi32 -lkernel32 -lnetapi32
+    mingw: LIBS += -luuid
+    clang: QMAKE_CXXFLAGS += -fms-compatibility-version=19.00.23506 -Wno-microsoft-enum-value
+}
diff --git a/src/corelib/doc/src/objectmodel/signalsandslots.qdoc b/src/corelib/doc/src/objectmodel/signalsandslots.qdoc
index 0cbbef0502..213caa6c59 100644
--- a/src/corelib/doc/src/objectmodel/signalsandslots.qdoc
+++ b/src/corelib/doc/src/objectmodel/signalsandslots.qdoc
@@ -246,18 +246,20 @@
     If you pass the Qt::UniqueConnection \a type, the connection will only
     be made if it is not a duplicate. If there is already a duplicate
     (exact same signal to the exact same slot on the same objects),
-    the connection will fail and connect will return false
+    the connection will fail and connect will return \c false.
 
     This example illustrates that objects can work together without needing to
     know any information about each other. To enable this, the objects only
     need to be connected together, and this can be achieved with some simple
-    QObject::connect() function calls, or with \c{uic}'s
-    \l{Automatic Connections}{automatic connections} feature.
+    QObject::connect() function calls, or with \l{User Interface Compiler
+    (uic)}{uic}'s \l{Automatic Connections}{automatic connections} feature.
 
 
     \section1 A Real Example
 
-    Here is a simple commented example of a widget.
+    The following is an example of the header of a simple widget class without
+    member functions. The purpose is to show how you can utilize signals and
+    slots in your own applications.
 
     \snippet signalsandslots/lcdnumber.h 0
     \snippet signalsandslots/lcdnumber.h 1
@@ -281,19 +283,13 @@
 
     \snippet signalsandslots/lcdnumber.h 6
     \snippet signalsandslots/lcdnumber.h 7
-
-    It's not obviously relevant to the moc, but if you inherit
-    QWidget you almost certainly want to have the \c parent argument
-    in your constructor and pass it to the base class's constructor.
-
-    Some destructors and member functions are omitted here; the \c
-    moc ignores member functions.
-
+    \codeline
     \snippet signalsandslots/lcdnumber.h 8
     \snippet signalsandslots/lcdnumber.h 9
 
-    \c LcdNumber emits a signal when it is asked to show an impossible
-    value.
+    After the class constructor and \c public members, we declare the class
+    \c signals. The \c LcdNumber class emits a signal, \c overflow(), when it
+    is asked to show an impossible value.
 
     If you don't care about overflow, or you know that overflow
     cannot occur, you can ignore the \c overflow() signal, i.e. don't
@@ -325,8 +321,8 @@
     callbacks, you'd have to find five different names and keep track
     of the types yourself.
 
-    Some irrelevant member functions have been omitted from this
-    example.
+    \sa QLCDNumber, QObject::connect(), {Digital Clock Example}, and
+    {Tetrix Example}.
 
     \section1 Signals And Slots With Default Arguments
 
@@ -361,18 +357,24 @@
     You can also connect to functors or C++11 lambdas:
 
     \code
-    connect(sender, &QObject::destroyed, context, [=](){ this->m_objects.remove(sender); });
+    connect(sender, &QObject::destroyed, this, [=](){ this->m_objects.remove(sender); });
     \endcode
 
-    The lambda will be disconnected when the context is destroyed.
+    In both these cases, we provide \a this as context in the call to connect().
+    The context object provides information about in which thread the receiver
+    should be executed. This is important, as providing the context ensures
+    that the receiver is executed in the context thread.
+
+    The lambda will be disconnected when the sender or context is destroyed.
+    You should take care that any objects used inside the functor are still
+    alive when the signal is emitted.
 
     The other way to connect a signal to a slot is to use QObject::connect()
     and the \c{SIGNAL} and \c{SLOT} macros.
-    The rule about whether to
-    include arguments or not in the \c{SIGNAL()} and \c{SLOT()}
-    macros, if the arguments have default values, is that the
-    signature passed to the \c{SIGNAL()} macro must \e not have fewer
-    arguments than the signature passed to the \c{SLOT()} macro.
+    The rule about whether to include arguments or not in the \c{SIGNAL()} and
+    \c{SLOT()} macros, if the arguments have default values, is that the
+    signature passed to the \c{SIGNAL()} macro must \e not have fewer arguments
+    than the signature passed to the \c{SLOT()} macro.
 
     All of these would work:
     \code
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index b52139d5a6..9cbfda3c2c 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -589,7 +589,7 @@ Q_STATIC_ASSERT((std::is_same<qsizetype, qptrdiff>::value));
     {long long int } (\c __int64 on Windows).
 
     Several convenience type definitions are declared: \l qreal for \c
-    double, \l uchar for \c unsigned char, \l uint for \c unsigned
+    double or \c float, \l uchar for \c unsigned char, \l uint for \c unsigned
     int, \l ulong for \c unsigned long and \l ushort for \c unsigned
     short.
 
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 6bd72ff059..e3c51f4be0 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -116,8 +116,8 @@
 
     \value AA_DontShowShortcutsInContextMenus Actions with the Shortcut property
            won't be shown in any shortcut menus unless specifically set by the
-           QAction::shortcutVisibleInContextMenu property. This value has
-           been added in Qt 5.10.
+           QAction::shortcutVisibleInContextMenu property. This value was added
+           in Qt 5.10.
 
     \value AA_NativeWindows Ensures that widgets have native windows.
 
@@ -132,9 +132,8 @@
            menu and not taking possession of the native menu bar. Setting this
            attribute to true will also set the AA_DontUseNativeMenuBar attribute
            to true. It also disables native event filters.
-           This attribute has been added in Qt 5.7. It must be set before
-           \l {QGuiApplication}{Q\(Gui\)Application} is constructed.
-
+           This attribute must be set before QGuiApplication constructed.
+           This value was added in Qt 5.7.
 
     \value AA_DontUseNativeMenuBar All menubars created while this attribute is
            set to true won't be used as a native menubar (e.g, the menubar at
@@ -174,14 +173,14 @@
 
     \value AA_UseDesktopOpenGL Forces the usage of desktop OpenGL (for example,
            \e opengl32.dll or \e libGL.so) on platforms that use dynamic loading
-           of the OpenGL implementation. This value has been added in Qt 5.3.
-           This attribute must be set before \l {QGuiApplication}
-           {Q\(Gui\)Application} is constructed.
+           of the OpenGL implementation. This attribute must be set before
+           QGuiApplication is constructed.
+           This value was added in Qt 5.3.
 
     \value AA_UseOpenGLES Forces the usage of OpenGL ES 2.0 or higher on
            platforms that use dynamic loading of the OpenGL implementation.
-           This value has been added in Qt 5.3. This attribute must be set
-           before \l {QGuiApplication}{Q\(Gui\)Application} is constructed.
+           This attribute must be set before QGuiApplication is constructed.
+           This value was added in Qt 5.3.
 
     \value AA_UseSoftwareOpenGL Forces the usage of a software based OpenGL
            implementation on platforms that use dynamic loading of the OpenGL
@@ -191,29 +190,28 @@
            implementation is available. The default name of this library is
            \c opengl32sw.dll and can be overridden by setting the environment
            variable \e QT_OPENGL_DLL. See the platform-specific pages, for
-           instance \l{Qt for Windows}, for more information.  This value has
-           been added in Qt 5.4. This attribute must be set before
-           \l {QGuiApplication}{Q\(Gui\)Application} is constructed.
+           instance \l{Qt for Windows}, for more information. This attribute
+           must be set before QGuiApplication is constructed.
+           This value was added in Qt 5.4.
 
     \value AA_ShareOpenGLContexts Enables resource sharing between the OpenGL
            contexts used by classes like QOpenGLWidget and QQuickWidget. This
            allows sharing OpenGL resources, like textures, between QOpenGLWidget
-           instances that belong to different top-level windows. This value has
-           been added in Qt 5.4. This attribute must be set before
-           \l {QGuiApplication}{Q\(Gui\)Application} is constructed.
+           instances that belong to different top-level windows. This attribute
+           must be set before QGuiApplication is constructed.
+           This value was added in Qt 5.4.
 
     \value AA_SetPalette Indicates whether a palette was explicitly set on the
-           \l {QGuiApplication}{Q\(Gui\)Application}. This value has been added
-           in Qt 5.5.
+           QGuiApplication. This value was added in Qt 5.5.
 
     \value AA_EnableHighDpiScaling Enables high-DPI scaling in Qt on supported
            platforms (see also \l{High DPI Displays}). Supported platforms are
            X11, Windows and Android. Enabling makes Qt scale the main (device
            independent) coordinate system according to display scale factors
            provided by the operating system. This corresponds to setting the
-           QT_AUTO_SCREEN\unicode{0x200b}_SCALE_FACTOR environment variable to 1. This value
-           has been added in Qt 5.6. This attribute must be set before
-           Q(Gui)Application is constructed.
+           QT_AUTO_SCREEN\unicode{0x200b}_SCALE_FACTOR environment variable to
+           1. This attribute must be set before QGuiApplication is constructed.
+           This value was added in Qt 5.6.
 
     \value AA_DisableHighDpiScaling Disables high-DPI scaling in Qt, exposing window
            system coordinates. Note that the window system may do its own scaling,
@@ -221,24 +219,26 @@
            be equal to 1. In addition, scale factors set by QT_SCALE_FACTOR will not
            be affected. This corresponds to setting the
            QT_AUTO_SCREEN\unicode{0x200b}_SCALE_FACTOR environment variable to 0.
-           This value has been added in Qt 5.6. This
-           attribute must be set before Q(Gui)Application is constructed.
+           This attribute must be set before QGuiApplication is constructed.
+           This value was added in Qt 5.6.
 
     \value AA_UseStyleSheetPropagationInWidgetStyles By default, Qt Style Sheets
            disable regular QWidget palette and font propagation. When this flag
            is enabled, font and palette changes propagate as though the user had
            manually called the corresponding QWidget methods. See
            \l{The Style Sheet Syntax#Inheritance}{The Style Sheet Syntax - Inheritance}
-           for more details. This value has been added in Qt 5.7.
+           for more details.
+           This value was added in Qt 5.7.
 
     \value AA_DontUseNativeDialogs All dialogs created while this attribute is
            set to true won't use the native dialogs provided by the platform.
-           This value has been added in Qt 5.7.
+           This value was added in Qt 5.7.
 
     \value AA_SynthesizeMouseForUnhandledTabletEvents All tablet events
            that are not accepted by the application will be translated
            to mouse events instead. This attribute is enabled
-           by default. This value has been added in Qt 5.7.
+           by default.
+           This value was added in Qt 5.7.
 
     \value AA_CompressHighFrequencyEvents Enables compression of certain frequent events.
            On the X11 windowing system, the default value is true, which means that
@@ -251,19 +251,21 @@
            If your application needs to handle all events with no compression,
            you can unset this attribute. Notice that input events from tablet devices
            will not be compressed. See AA_CompressTabletEvents if you want these to be
-           compressed as well. This value has been added in Qt 5.7.
+           compressed as well.
+           This value was added in Qt 5.7.
 
     \value AA_CompressTabletEvents Enables compression of input events from tablet devices.
            Notice that AA_CompressHighFrequencyEvents must be true for events compression
            to be enabled, and that this flag extends the former to tablet events. Its default
-           value is false. This value has been added in Qt 5.10.
+           value is false.
+           This value was added in Qt 5.10.
 
     \value AA_DontCheckOpenGLContextThreadAffinity When making a context
            current using QOpenGLContext, do not check that the
            \l{QObject#Thread Affinity}{QObject thread affinity}
            of the QOpenGLContext object is the same thread calling
-           \l{QOpenGLContext::makeCurrent}{makeCurrent()}. This value has been
-           added in Qt 5.8.
+           \l{QOpenGLContext::makeCurrent}{makeCurrent()}.
+           This value was added in Qt 5.8.
 
     \value AA_DisableShaderDiskCache Disables caching of shader program binaries
            on disk. By default Qt Quick, QPainter's OpenGL backend, and any
@@ -277,7 +279,7 @@
     \value AA_DisableWindowContextHelpButton Disables the WindowContextHelpButtonHint
            by default on Qt::Sheet and Qt::Dialog widgets. This hides the \gui ? button
            on Windows, which only makes sense if you use \l QWhatsThis functionality.
-           This value has been added in Qt 5.10. For Qt 6, WindowContextHelpButtonHint
+           This value was added in Qt 5.10. In Qt 6, WindowContextHelpButtonHint
            will not be set by default.
 
     The following values are deprecated or obsolete:
@@ -2276,13 +2278,17 @@
            correctly.
 
     \value WindowStaysOnBottomHint Informs the window system that the
-           window should stay on bottom of all other windows. Note
-           that on X11 this hint will work only in window managers
+           window should stay on bottom of all other windows.
+
+           \note On X11, this hint will work only in window managers
            that support _NET_WM_STATE_BELOW atom. If a window always
            on the bottom has a parent, the parent will also be left on
            the bottom.  This window hint is currently not implemented
            for \macos.
 
+           \note On Windows, this will work only for frameless or
+           full-screen windows.
+
     \value WindowTransparentForInput Informs the window system that this window
            is used only for output (displaying something) and does not take input.
            Therefore input events should pass through as if it wasn't there.
@@ -2652,7 +2658,7 @@
                                 but \b{must} not return an empty string unless the cursor is at the end of the document.
     \value ImEnterKeyType       The Enter key type.
     \value ImAnchorRectangle    The bounding rectangle of the selection anchor.
-                                This value has been added in Qt 5.7.
+                                This value was added in Qt 5.7.
     \value ImInputItemClipRectangle The actual exposed input item rectangle. Parts of the input item might be
                                 clipped. This value will take clipping into consideration and return the actual painted
                                 item rectangle. The rectangle is in widget coordinates.
@@ -2780,7 +2786,7 @@
     \value ItemNeverHasChildren The item never has child items.
            This is used for optimization purposes only.
     \value ItemIsUserTristate The user can cycle through three separate states.
-           This value has been added in Qt 5.5.
+           This value was added in Qt 5.5.
 
     Note that checkable items need to be given both a suitable set of flags
     and an initial state, indicating whether the item is checked or not.
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 2ee680a7c6..890867cd51 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -2147,6 +2147,10 @@ void QProcess::start(OpenMode mode)
     \endlist
     All other properties of the QProcess object are ignored.
 
+    \note The called process inherits the console window of the calling
+    process. To suppress console output, redirect standard/error output to
+    QProcess::nullDevice().
+
     \sa start()
     \sa startDetached(const QString &program, const QStringList &arguments,
                       const QString &workingDirectory, qint64 *pid)
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index a849519635..713af9bd40 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -949,16 +949,14 @@ bool QProcessPrivate::startDetached(qint64 *pid)
             qt_safe_close(pidPipe[1]);
 
             // copy the stdin socket if asked to (without closing on exec)
-            if (inputChannelMode != QProcess::ForwardedInputChannel)
+            if (stdinChannel.type == Channel::Redirect)
                 qt_safe_dup2(stdinChannel.pipe[0], STDIN_FILENO, 0);
 
             // copy the stdout and stderr if asked to
-            if (processChannelMode != QProcess::ForwardedChannels) {
-                if (processChannelMode != QProcess::ForwardedOutputChannel)
-                    qt_safe_dup2(stdoutChannel.pipe[1], STDOUT_FILENO, 0);
-                if (processChannelMode != QProcess::ForwardedErrorChannel)
-                    qt_safe_dup2(stderrChannel.pipe[1], STDERR_FILENO, 0);
-            }
+            if (stdoutChannel.type == Channel::Redirect)
+                qt_safe_dup2(stdoutChannel.pipe[1], STDOUT_FILENO, 0);
+            if (stderrChannel.type == Channel::Redirect)
+                qt_safe_dup2(stderrChannel.pipe[1], STDERR_FILENO, 0);
 
             if (!encodedWorkingDirectory.isEmpty()) {
                 if (QT_CHDIR(encodedWorkingDirectory.constData()) == -1)
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
index 2e4b5d9cef..1f7a49379d 100644
--- a/src/corelib/io/qprocess_win.cpp
+++ b/src/corelib/io/qprocess_win.cpp
@@ -893,6 +893,11 @@ static bool startDetachedUacPrompt(const QString &programIn, const QStringList &
     return true;
 }
 
+static Q_PIPE pipeOrStdHandle(Q_PIPE pipe, DWORD handleNumber)
+{
+    return pipe != INVALID_Q_PIPE ? pipe : GetStdHandle(handleNumber);
+}
+
 bool QProcessPrivate::startDetached(qint64 *pid)
 {
     static const DWORD errorElevationRequired = 740;
@@ -925,15 +930,14 @@ bool QProcessPrivate::startDetached(qint64 *pid)
                                  0, 0, 0,
                                  STARTF_USESTDHANDLES,
                                  0, 0, 0,
-                                 stdinChannel.pipe[0], stdoutChannel.pipe[1], stderrChannel.pipe[1]
+                                 pipeOrStdHandle(stdinChannel.pipe[0], STD_INPUT_HANDLE),
+                                 pipeOrStdHandle(stdoutChannel.pipe[1], STD_OUTPUT_HANDLE),
+                                 pipeOrStdHandle(stderrChannel.pipe[1], STD_ERROR_HANDLE)
                                };
 
-    const bool inheritHandles = stdinChannel.type == Channel::Redirect
-            || stdoutChannel.type == Channel::Redirect
-            || stderrChannel.type == Channel::Redirect;
     QProcess::CreateProcessArguments cpargs = {
         nullptr, reinterpret_cast<wchar_t *>(const_cast<ushort *>(args.utf16())),
-        nullptr, nullptr, inheritHandles, dwCreationFlags, envPtr,
+        nullptr, nullptr, true, dwCreationFlags, envPtr,
         workingDirectory.isEmpty()
             ? nullptr : reinterpret_cast<const wchar_t *>(workingDirectory.utf16()),
         &startupInfo, &pinfo
diff --git a/src/corelib/kernel/qdeadlinetimer.cpp b/src/corelib/kernel/qdeadlinetimer.cpp
index 4fba30050d..66d0dce7e8 100644
--- a/src/corelib/kernel/qdeadlinetimer.cpp
+++ b/src/corelib/kernel/qdeadlinetimer.cpp
@@ -223,7 +223,7 @@ QDeadlineTimer::QDeadlineTimer(qint64 msecs, Qt::TimerType type) Q_DECL_NOTHROW
 
     Constructs a QDeadlineTimer object with a deadline at \a deadline time
     point, converting from the clock source \c{Clock} to Qt's internal clock
-    source (see QElapsedTimer::clcokType()).
+    source (see QElapsedTimer::clockType()).
 
     If \a deadline is in the past, this QDeadlineTimer object is set to
     expired, whereas if \a deadline is equal to \c{Duration::max()}, then this
@@ -266,7 +266,7 @@ QDeadlineTimer::QDeadlineTimer(qint64 msecs, Qt::TimerType type) Q_DECL_NOTHROW
 
     Sets this QDeadlineTimer to the deadline marked by \a deadline time
     point, converting from the clock source \c{Clock} to Qt's internal clock
-    source (see QElapsedTimer::clcokType()).
+    source (see QElapsedTimer::clockType()).
 
     If \a deadline is in the past, this QDeadlineTimer object is set to
     expired, whereas if \a deadline is equal to \c{Duration::max()}, then this
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index 974711e065..698ac256ff 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -3903,7 +3903,8 @@ bool QObject::setProperty(const char *name, const QVariant &value)
                 d->extraData->propertyNames.append(name);
                 d->extraData->propertyValues.append(value);
             } else {
-                if (value == d->extraData->propertyValues.at(idx))
+                if (value.userType() == d->extraData->propertyValues.at(idx).userType()
+                        && value == d->extraData->propertyValues.at(idx))
                     return false;
                 d->extraData->propertyValues[idx] = value;
             }
diff --git a/src/corelib/serialization/qjson.cpp b/src/corelib/serialization/qjson.cpp
index 7912b5040c..b82923fe0c 100644
--- a/src/corelib/serialization/qjson.cpp
+++ b/src/corelib/serialization/qjson.cpp
@@ -46,7 +46,7 @@ namespace QJsonPrivate
 {
 
 static Q_CONSTEXPR Base emptyArray  = { { qle_uint(sizeof(Base)) }, { 0 }, { qle_uint(0) } };
-static Q_CONSTEXPR Base emptyObject = { { qle_uint(sizeof(Base)) }, { 0 }, { qle_uint(0) } };
+static Q_CONSTEXPR Base emptyObject = { { qle_uint(sizeof(Base)) }, { qToLittleEndian(1u) }, { qle_uint(0) } };
 
 void Data::compact()
 {
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index 7341d196cb..24fd597e52 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -1791,6 +1791,8 @@ QString QLocale::toString(qulonglong i) const
     Returns a localized string representation of the given \a date in the
     specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QDate::toString()
 */
 
 QString QLocale::toString(const QDate &date, const QString &format) const
@@ -1805,6 +1807,8 @@ QString QLocale::toString(const QDate &date, const QString &format) const
     Returns a localized string representation of the given \a date in the
     specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QDate::toString()
 */
 QString QLocale::toString(const QDate &date, QStringView format) const
 {
@@ -1857,6 +1861,8 @@ static bool timeFormatContainsAP(QStringView format)
     Returns a localized string representation of the given \a time according
     to the specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QTime::toString()
 */
 QString QLocale::toString(const QTime &time, const QString &format) const
 {
@@ -1870,6 +1876,8 @@ QString QLocale::toString(const QTime &time, const QString &format) const
     Returns a localized string representation of the given \a time according
     to the specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QTime::toString()
 */
 QString QLocale::toString(const QTime &time, QStringView format) const
 {
@@ -1883,6 +1891,8 @@ QString QLocale::toString(const QTime &time, QStringView format) const
     Returns a localized string representation of the given \a dateTime according
     to the specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QDateTime::toString(), QDate::toString(), QTime::toString()
 */
 
 QString QLocale::toString(const QDateTime &dateTime, const QString &format) const
@@ -1897,6 +1907,8 @@ QString QLocale::toString(const QDateTime &dateTime, const QString &format) cons
     Returns a localized string representation of the given \a dateTime according
     to the specified \a format.
     If \a format is an empty string, an empty string is returned.
+
+    \sa QDateTime::toString(), QDate::toString(), QTime::toString()
 */
 QString QLocale::toString(const QDateTime &dateTime, QStringView format) const
 {
diff --git a/src/corelib/tools/qlocale.qdoc b/src/corelib/tools/qlocale.qdoc
index 131552b7b7..bbb13bd165 100644
--- a/src/corelib/tools/qlocale.qdoc
+++ b/src/corelib/tools/qlocale.qdoc
@@ -939,6 +939,8 @@
     locale doesn't support narrow names, so you should avoid using it
     for date formatting. Also, for the system locale this format is
     the same as ShortFormat.
+
+    \sa QDateTime::toString(), QDate::toString(), QTime::toString()
 */
 
 /*!
@@ -1103,6 +1105,8 @@
   \value ListToSeparatedString a string that represents a join of a given QStringList with a locale-defined separator.
   \value NativeLanguageName a string that represents the name of the native language.
   \value NativeCountryName a string that represents the name of the native country.
+
+  \sa FormatType
 */
 
 /*!
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index ec274d8abf..1c8e47267d 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -7388,7 +7388,7 @@ ushort QString::toUShort(bool *ok, int base) const
     \snippet qstring/main.cpp 66
 
     \warning The QString content may only contain valid numerical characters
-    which includes the plus/minus sign, the characters g and e used in scientific
+    which includes the plus/minus sign, the character e used in scientific
     notation, and the decimal point. Including the unit or additional characters
     leads to a conversion error.
 
@@ -7424,7 +7424,7 @@ double QString::toDouble(bool *ok) const
     to \c false, and success by setting *\a{ok} to \c true.
 
     \warning The QString content may only contain valid numerical characters
-    which includes the plus/minus sign, the characters g and e used in scientific
+    which includes the plus/minus sign, the character e used in scientific
     notation, and the decimal point. Including the unit or additional characters
     leads to a conversion error.
 
diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp
index c9db39a29f..e9b7397a74 100644
--- a/src/corelib/tools/qstringlist.cpp
+++ b/src/corelib/tools/qstringlist.cpp
@@ -611,8 +611,6 @@ static int lastIndexOfMutating(const QStringList *that, QRegExp &rx, int from)
     the list, searching forward from index position \a from. Returns
     -1 if no item matched.
 
-    By default, this function is case sensitive.
-
     \sa lastIndexOf(), contains(), QRegExp::exactMatch()
 */
 int QtPrivate::QStringList_indexOf(const QStringList *that, const QRegExp &rx, int from)
@@ -630,8 +628,6 @@ int QtPrivate::QStringList_indexOf(const QStringList *that, const QRegExp &rx, i
     the list, searching forward from index position \a from. Returns
     -1 if no item matched.
 
-    By default, this function is case sensitive.
-
     If an item matched, the \a rx regular expression will contain the
     matched objects (see QRegExp::matchedLength, QRegExp::cap).
 
@@ -650,8 +646,6 @@ int QtPrivate::QStringList_indexOf(const QStringList *that, QRegExp &rx, int fro
     from is -1 (the default), the search starts at the last item.
     Returns -1 if no item matched.
 
-    By default, this function is case sensitive.
-
     \sa indexOf(), contains(), QRegExp::exactMatch()
 */
 int QtPrivate::QStringList_lastIndexOf(const QStringList *that, const QRegExp &rx, int from)
@@ -670,8 +664,6 @@ int QtPrivate::QStringList_lastIndexOf(const QStringList *that, const QRegExp &r
     from is -1 (the default), the search starts at the last item.
     Returns -1 if no item matched.
 
-    By default, this function is case sensitive.
-
     If an item matched, the \a rx regular expression will contain the
     matched objects (see QRegExp::matchedLength, QRegExp::cap).
 
diff --git a/src/gui/image/qimage_conversions.cpp b/src/gui/image/qimage_conversions.cpp
index 519885b437..e1d3101174 100644
--- a/src/gui/image/qimage_conversions.cpp
+++ b/src/gui/image/qimage_conversions.cpp
@@ -1144,7 +1144,7 @@ static QVector<QRgb> fix_color_table(const QVector<QRgb> &ctbl, QImage::Format f
     if (format == QImage::Format_RGB32) {
         // check if the color table has alpha
         for (int i = 0; i < colorTable.size(); ++i)
-            if (qAlpha(colorTable.at(i) != 0xff))
+            if (qAlpha(colorTable.at(i)) != 0xff)
                 colorTable[i] = colorTable.at(i) | 0xff000000;
     } else if (format == QImage::Format_ARGB32_Premultiplied) {
         // check if the color table has alpha
@@ -1746,8 +1746,9 @@ static void convert_Indexed8_to_X32(QImageData *dest, const QImageData *src, Qt:
     if (colorTable.size() < 256) {
         int tableSize = colorTable.size();
         colorTable.resize(256);
+        QRgb fallbackColor = (dest->format == QImage::Format_RGB32) ? 0xff000000 : 0;
         for (int i=tableSize; i<256; ++i)
-            colorTable[i] = 0;
+            colorTable[i] = fallbackColor;
     }
 
     int w = src->width;
diff --git a/src/gui/image/qppmhandler.cpp b/src/gui/image/qppmhandler.cpp
index e9f5a905f0..53e3fa293d 100644
--- a/src/gui/image/qppmhandler.cpp
+++ b/src/gui/image/qppmhandler.cpp
@@ -115,7 +115,7 @@ static bool read_pbm_header(QIODevice *device, char& type, int& w, int& h, int&
     else
         mcc = read_pbm_int(device);               // get max color component
 
-    if (w <= 0 || w > 32767 || h <= 0 || h > 32767 || mcc <= 0)
+    if (w <= 0 || w > 32767 || h <= 0 || h > 32767 || mcc <= 0 || mcc > 0xffff)
         return false;                                        // weird P.M image
 
     return true;
diff --git a/src/gui/kernel/qshapedpixmapdndwindow.cpp b/src/gui/kernel/qshapedpixmapdndwindow.cpp
index b54c6b67a2..8509eb0961 100644
--- a/src/gui/kernel/qshapedpixmapdndwindow.cpp
+++ b/src/gui/kernel/qshapedpixmapdndwindow.cpp
@@ -39,6 +39,8 @@
 
 #include "qshapedpixmapdndwindow_p.h"
 
+#include "qplatformwindow.h"
+
 #include <QtGui/QPainter>
 #include <QtGui/QCursor>
 #include <QtGui/QGuiApplication>
@@ -70,7 +72,12 @@ void QShapedPixmapWindow::setPixmap(const QPixmap &pixmap)
         if (!mask.isNull()) {
             if (!handle())
                 create();
-            setMask(mask);
+            if (auto platformWindow = handle()) {
+                const auto pixmapDpr = m_pixmap.devicePixelRatio();
+                const auto winDpr = devicePixelRatio();
+                const auto maskSize = (QSizeF(m_pixmap.size()) * winDpr / pixmapDpr).toSize();
+                platformWindow->setMask(QBitmap(mask.scaled(maskSize)));
+            }
         }
     }
 }
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 235bba7206..1110f951a9 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -841,6 +841,53 @@ static inline void qConvertARGB32PMToARGB64PM_sse2(QRgba64 *buffer, const uint *
         *buffer++ = QRgba64::fromArgb32(s);
     }
 }
+#elif defined(__ARM_NEON__)
+template<bool RGBA, bool maskAlpha>
+static inline void qConvertARGB32PMToRGBA64PM_neon(QRgba64 *buffer, const uint *src, int count)
+{
+    if (count <= 0)
+        return;
+
+    const uint32x4_t amask = vdupq_n_u32(0xff000000);
+#if defined(Q_PROCESSOR_ARM_64)
+    const uint8x16_t rgbaMask  = { 2, 1, 0, 3, 6, 5, 4, 7, 10, 9, 8, 11, 14, 13, 12, 15};
+#else
+    const uint8x8_t rgbaMask  = { 2, 1, 0, 3, 6, 5, 4, 7 };
+#endif
+    int i = 0;
+    for (; i < count-3; i += 4) {
+        uint32x4_t vs32 = vld1q_u32(src);
+        src += 4;
+        if (maskAlpha)
+            vs32 = vorrq_u32(vs32, amask);
+        uint8x16_t vs8 = vreinterpretq_u8_u32(vs32);
+        if (!RGBA) {
+#if defined(Q_PROCESSOR_ARM_64)
+            vs8 = vqtbl1q_u8(vs8, rgbaMask);
+#else
+            // no vqtbl1q_u8
+            const uint8x8_t vlo = vtbl1_u8(vget_low_u8(vs8), rgbaMask);
+            const uint8x8_t vhi = vtbl1_u8(vget_high_u8(vs8), rgbaMask);
+            vs8 = vcombine_u8(vlo, vhi);
+#endif
+        }
+        uint8x16x2_t v = vzipq_u8(vs8, vs8);
+
+        vst1q_u16((uint16_t *)buffer, vreinterpretq_u16_u8(v.val[0]));
+        buffer += 2;
+        vst1q_u16((uint16_t *)buffer, vreinterpretq_u16_u8(v.val[1]));
+        buffer += 2;
+    }
+
+    SIMD_EPILOGUE(i, count, 3) {
+        uint s = *src++;
+        if (maskAlpha)
+            s = s | 0xff000000;
+        if (RGBA)
+            s = RGBA2ARGB(s);
+        *buffer++ = QRgba64::fromArgb32(s);
+    }
+}
 #endif
 
 static const QRgba64 *QT_FASTCALL convertRGB32ToRGB64(QRgba64 *buffer, const uint *src, int count,
@@ -848,6 +895,8 @@ static const QRgba64 *QT_FASTCALL convertRGB32ToRGB64(QRgba64 *buffer, const uin
 {
 #ifdef __SSE2__
     qConvertARGB32PMToARGB64PM_sse2<false, true>(buffer, src, count);
+#elif defined(__ARM_NEON__)
+    qConvertARGB32PMToRGBA64PM_neon<false, true>(buffer, src, count);
 #else
     for (int i = 0; i < count; ++i)
         buffer[i] = QRgba64::fromArgb32(0xff000000 | src[i]);
@@ -862,6 +911,10 @@ static const QRgba64 *QT_FASTCALL convertARGB32ToARGB64PM(QRgba64 *buffer, const
     qConvertARGB32PMToARGB64PM_sse2<false, false>(buffer, src, count);
     for (int i = 0; i < count; ++i)
         buffer[i] = buffer[i].premultiplied();
+#elif defined(__ARM_NEON__)
+    qConvertARGB32PMToRGBA64PM_neon<false, false>(buffer, src, count);
+    for (int i = 0; i < count; ++i)
+        buffer[i] = buffer[i].premultiplied();
 #else
     for (int i = 0; i < count; ++i)
         buffer[i] = QRgba64::fromArgb32(src[i]).premultiplied();
@@ -874,6 +927,8 @@ static const QRgba64 *QT_FASTCALL convertARGB32PMToARGB64PM(QRgba64 *buffer, con
 {
 #ifdef __SSE2__
     qConvertARGB32PMToARGB64PM_sse2<false, false>(buffer, src, count);
+#elif defined(__ARM_NEON__)
+    qConvertARGB32PMToRGBA64PM_neon<false, false>(buffer, src, count);
 #else
     for (int i = 0; i < count; ++i)
         buffer[i] = QRgba64::fromArgb32(src[i]);
@@ -888,6 +943,10 @@ static const QRgba64 *QT_FASTCALL convertRGBA8888ToARGB64PM(QRgba64 *buffer, con
     qConvertARGB32PMToARGB64PM_sse2<true, false>(buffer, src, count);
     for (int i = 0; i < count; ++i)
         buffer[i] = buffer[i].premultiplied();
+#elif defined(__ARM_NEON__)
+    qConvertARGB32PMToRGBA64PM_neon<true, false>(buffer, src, count);
+    for (int i = 0; i < count; ++i)
+        buffer[i] = buffer[i].premultiplied();
 #else
     for (int i = 0; i < count; ++i)
         buffer[i] = QRgba64::fromArgb32(RGBA2ARGB(src[i])).premultiplied();
@@ -900,6 +959,8 @@ static const QRgba64 *QT_FASTCALL convertRGBA8888PMToARGB64PM(QRgba64 *buffer, c
 {
 #ifdef __SSE2__
     qConvertARGB32PMToARGB64PM_sse2<true, false>(buffer, src, count);
+#elif defined(__ARM_NEON__)
+    qConvertARGB32PMToRGBA64PM_neon<true, false>(buffer, src, count);
 #else
     for (int i = 0; i < count; ++i)
         buffer[i] = QRgba64::fromArgb32(RGBA2ARGB(src[i]));
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index e0dd789dfd..7caaf3a8fa 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -1056,6 +1056,77 @@ void QRasterPaintEnginePrivate::drawImage(const QPointF &pt,
          alpha);
 }
 
+void QRasterPaintEnginePrivate::blitImage(const QPointF &pt,
+                                          const QImage &img,
+                                          const QRect &clip,
+                                          const QRect &sr)
+{
+    if (!clip.isValid())
+        return;
+
+    Q_ASSERT(img.depth() >= 8);
+
+    qsizetype srcBPL = img.bytesPerLine();
+    const uchar *srcBits = img.bits();
+    int srcSize = img.depth() >> 3; // This is the part that is incompatible with lower than 8-bit..
+    int iw = img.width();
+    int ih = img.height();
+
+    if (!sr.isEmpty()) {
+        iw = sr.width();
+        ih = sr.height();
+        // Adjust the image according to the source offset...
+        srcBits += ((sr.y() * srcBPL) + sr.x() * srcSize);
+    }
+
+    // adapt the x parameters
+    int x = qRound(pt.x());
+    int cx1 = clip.x();
+    int cx2 = clip.x() + clip.width();
+    if (x < cx1) {
+        int d = cx1 - x;
+        srcBits += srcSize * d;
+        iw -= d;
+        x = cx1;
+    }
+    if (x + iw > cx2) {
+        int d = x + iw - cx2;
+        iw -= d;
+    }
+    if (iw <= 0)
+        return;
+
+    // adapt the y paremeters...
+    int cy1 = clip.y();
+    int cy2 = clip.y() + clip.height();
+    int y = qRound(pt.y());
+    if (y < cy1) {
+        int d = cy1 - y;
+        srcBits += srcBPL * d;
+        ih -= d;
+        y = cy1;
+    }
+    if (y + ih > cy2) {
+        int d = y + ih - cy2;
+        ih -= d;
+    }
+    if (ih <= 0)
+        return;
+
+    // blit..
+    int dstSize = rasterBuffer->bytesPerPixel();
+    qsizetype dstBPL = rasterBuffer->bytesPerLine();
+    const uint *src = (const uint *) srcBits;
+    uint *dst = reinterpret_cast<uint *>(rasterBuffer->buffer() + x * dstSize + y * dstBPL);
+
+    const int len = iw * (qt_depthForFormat(rasterBuffer->format) >> 3);
+    for (int y = 0; y < ih; ++y) {
+        memcpy(dst, src, len);
+        dst = (quint32 *)(((uchar *) dst) + dstBPL);
+        src = (const quint32 *)(((const uchar *) src) + srcBPL);
+    }
+}
+
 
 void QRasterPaintEnginePrivate::systemStateChanged()
 {
@@ -2160,7 +2231,15 @@ void QRasterPaintEngine::drawImage(const QPointF &p, const QImage &img)
         const QClipData *clip = d->clip();
         QPointF pt(p.x() + s->matrix.dx(), p.y() + s->matrix.dy());
 
-        if (d->canUseFastImageBlending(d->rasterBuffer->compositionMode, img)) {
+        if (d->canUseImageBlitting(d->rasterBuffer->compositionMode, img)) {
+            if (!clip) {
+                d->blitImage(pt, img, d->deviceRect);
+                return;
+            } else if (clip->hasRectClip) {
+                d->blitImage(pt, img, clip->clipRect);
+                return;
+            }
+        } else if (d->canUseFastImageBlending(d->rasterBuffer->compositionMode, img)) {
             SrcOverBlendFunc func = qBlendFunctions[d->rasterBuffer->format][img.format()];
             if (func) {
                 if (!clip) {
@@ -2445,7 +2524,16 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
         fillPath(path, &d->image_filler_xform);
         s->matrix = m;
     } else {
-        if (d->canUseFastImageBlending(d->rasterBuffer->compositionMode, img)) {
+        if (d->canUseImageBlitting(d->rasterBuffer->compositionMode, img)) {
+            QPointF pt(r.x() + s->matrix.dx(), r.y() + s->matrix.dy());
+            if (!clip) {
+                d->blitImage(pt, img, d->deviceRect, sr.toRect());
+                return;
+            } else if (clip->hasRectClip) {
+                d->blitImage(pt, img, clip->clipRect, sr.toRect());
+                return;
+            }
+        } else if (d->canUseFastImageBlending(d->rasterBuffer->compositionMode, img)) {
             SrcOverBlendFunc func = qBlendFunctions[d->rasterBuffer->format][img.format()];
             if (func) {
                 QPointF pt(r.x() + s->matrix.dx(), r.y() + s->matrix.dy());
@@ -3668,6 +3756,33 @@ bool QRasterPaintEnginePrivate::canUseFastImageBlending(QPainter::CompositionMod
                    && !image.hasAlphaChannel()));
 }
 
+bool QRasterPaintEnginePrivate::canUseImageBlitting(QPainter::CompositionMode mode, const QImage &image) const
+{
+    Q_Q(const QRasterPaintEngine);
+    const QRasterPaintEngineState *s = q->state();
+
+    if (!s->flags.fast_images || s->intOpacity != 256 || qt_depthForFormat(rasterBuffer->format) < 8)
+        return false;
+
+    QImage::Format dFormat = rasterBuffer->format;
+    QImage::Format sFormat = image.format();
+    // Formats must match or source format must be a subset of destination format
+    if (dFormat != sFormat && image.pixelFormat().alphaUsage() == QPixelFormat::IgnoresAlpha) {
+        if ((sFormat == QImage::Format_RGB32 && dFormat == QImage::Format_ARGB32)
+            || (sFormat == QImage::Format_RGBX8888 && dFormat == QImage::Format_RGBA8888))
+            sFormat = dFormat;
+        else
+            sFormat = qt_maybeAlphaVersionWithSameDepth(sFormat); // this returns premul formats
+    }
+    if (dFormat != sFormat)
+        return false;
+
+    return s->matrix.type() <= QTransform::TxTranslate
+           && (mode == QPainter::CompositionMode_Source
+               || (mode == QPainter::CompositionMode_SourceOver
+                   && !image.hasAlphaChannel()));
+}
+
 QImage QRasterBuffer::colorizeBitmap(const QImage &image, const QColor &color)
 {
     Q_ASSERT(image.depth() == 1);
diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h
index 8c6f668d9d..14eddf07b1 100644
--- a/src/gui/painting/qpaintengine_raster_p.h
+++ b/src/gui/painting/qpaintengine_raster_p.h
@@ -291,6 +291,8 @@ public:
 
     void drawImage(const QPointF &pt, const QImage &img, SrcOverBlendFunc func,
                    const QRect &clip, int alpha, const QRect &sr = QRect());
+    void blitImage(const QPointF &pt, const QImage &img,
+                   const QRect &clip, const QRect &sr = QRect());
 
     QTransform brushMatrix() const {
         Q_Q(const QRasterPaintEngine);
@@ -313,6 +315,7 @@ public:
 
     void recalculateFastImages();
     bool canUseFastImageBlending(QPainter::CompositionMode mode, const QImage &image) const;
+    bool canUseImageBlitting(QPainter::CompositionMode mode, const QImage &image) const;
 
     QPaintDevice *device;
     QScopedPointer<QOutlineMapper> outlineMapper;
diff --git a/src/gui/text/qfont.cpp b/src/gui/text/qfont.cpp
index c7fff266ad..f7462b65c8 100644
--- a/src/gui/text/qfont.cpp
+++ b/src/gui/text/qfont.cpp
@@ -1254,7 +1254,7 @@ QFont::StyleStrategy QFont::styleStrategy() const
 /*!
     Returns the StyleHint.
 
-    The style hint affects the \l{QFont}{font matching} algorithm.
+    The style hint affects the \l{#fontmatching}{font matching algorithm}.
     See \l QFont::StyleHint for the list of available hints.
 
     \sa setStyleHint(), QFont::StyleStrategy, QFontInfo::styleHint()
diff --git a/src/network/access/qhttpnetworkconnectionchannel.cpp b/src/network/access/qhttpnetworkconnectionchannel.cpp
index 0ac14c78f6..5726925cb0 100644
--- a/src/network/access/qhttpnetworkconnectionchannel.cpp
+++ b/src/network/access/qhttpnetworkconnectionchannel.cpp
@@ -251,6 +251,20 @@ bool QHttpNetworkConnectionChannel::sendRequest()
     return protocolHandler->sendRequest();
 }
 
+/*
+ * Invoke "protocolHandler->sendRequest" using a queued connection.
+ * It's used to return to the event loop before invoking sendRequest when
+ * there's a very real chance that the request could have been aborted
+ * (i.e. after having emitted 'encrypted').
+ */
+void QHttpNetworkConnectionChannel::sendRequestDelayed()
+{
+    QMetaObject::invokeMethod(this, [this] {
+        Q_ASSERT(!protocolHandler.isNull());
+        if (reply)
+            protocolHandler->sendRequest();
+    }, Qt::ConnectionType::QueuedConnection);
+}
 
 void QHttpNetworkConnectionChannel::_q_receiveReply()
 {
@@ -1234,7 +1248,7 @@ void QHttpNetworkConnectionChannel::_q_encrypted()
             emit reply->encrypted();
         }
         if (reply)
-            sendRequest();
+            sendRequestDelayed();
     }
 }
 
diff --git a/src/network/access/qhttpnetworkconnectionchannel_p.h b/src/network/access/qhttpnetworkconnectionchannel_p.h
index e9cdae5653..270b3eb9ba 100644
--- a/src/network/access/qhttpnetworkconnectionchannel_p.h
+++ b/src/network/access/qhttpnetworkconnectionchannel_p.h
@@ -174,6 +174,7 @@ public:
     void abort();
 
     bool sendRequest();
+    void sendRequestDelayed();
 
     bool ensureConnection();
 
diff --git a/src/network/ssl/qsslsocket_mac.cpp b/src/network/ssl/qsslsocket_mac.cpp
index 8aa01deee7..ff0df1c406 100644
--- a/src/network/ssl/qsslsocket_mac.cpp
+++ b/src/network/ssl/qsslsocket_mac.cpp
@@ -61,6 +61,7 @@
 
 #include <algorithm>
 #include <cstddef>
+#include <limits>
 #include <vector>
 
 #include <QtCore/private/qcore_mac_p.h>
@@ -145,6 +146,16 @@ EphemeralSecKeychain::EphemeralSecKeychain()
         }
     }
 
+    if (keychain) {
+        SecKeychainSettings settings = {};
+        settings.version = SEC_KEYCHAIN_SETTINGS_VERS1;
+        // Strange, huh? But that's what their docs say to do! With lockOnSleep
+        // == false, set interval to INT_MAX to never lock ...
+        settings.lockInterval = INT_MAX;
+        if (SecKeychainSetSettings(keychain, &settings) != errSecSuccess)
+            qCWarning(lcSsl) << "SecKeychainSettings: failed to disable lock on sleep";
+    }
+
 #ifdef QSSLSOCKET_DEBUG
     if (keychain) {
         qCDebug(lcSsl) << "Custom keychain with name" << keychainName << "was created"
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp
index e0f7f44701..ebe5964664 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/plugins/imageformats/gif/qgifhandler.cpp
@@ -354,7 +354,8 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                     (*image) = QImage(swidth, sheight, format);
                     bpl = image->bytesPerLine();
                     bits = image->bits();
-                    memset(bits, 0, image->sizeInBytes());
+                    if (bits)
+                        memset(bits, 0, image->sizeInBytes());
                 }
 
                 // Check if the previous attempt to create the image failed. If it
@@ -415,6 +416,10 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                         backingstore = QImage(qMax(backingstore.width(), w),
                                               qMax(backingstore.height(), h),
                                               QImage::Format_RGB32);
+                        if (backingstore.isNull()) {
+                            state = Error;
+                            return -1;
+                        }
                         memset(backingstore.bits(), 0, backingstore.sizeInBytes());
                     }
                     const int dest_bpl = backingstore.bytesPerLine();
diff --git a/src/plugins/platforms/cocoa/qcocoamenuloader.mm b/src/plugins/platforms/cocoa/qcocoamenuloader.mm
index 345b370826..5610c36ea1 100644
--- a/src/plugins/platforms/cocoa/qcocoamenuloader.mm
+++ b/src/plugins/platforms/cocoa/qcocoamenuloader.mm
@@ -213,26 +213,23 @@
     Q_ASSERT(mainMenu);
 #endif
     // Grab the app menu out of the current menu.
-    const int numItems = mainMenu.numberOfItems;
-    NSMenuItem *oldAppMenuItem = nil;
-    for (int i = 0; i < numItems; ++i) {
-        NSMenuItem *item = [mainMenu itemAtIndex:i];
-        if (item.submenu == appMenu) {
-            oldAppMenuItem = item;
-            [oldAppMenuItem retain];
-            [mainMenu removeItemAtIndex:i];
-            break;
+    auto unparentAppMenu = ^bool (NSMenu *supermenu) {
+        auto index = [supermenu indexOfItemWithSubmenu:appMenu];
+        if (index != -1) {
+            [supermenu removeItemAtIndex:index];
+            return true;
         }
-    }
+        return false;
+    };
 
-    if (oldAppMenuItem) {
-        oldAppMenuItem.submenu = nil;
-        [oldAppMenuItem release];
-        NSMenuItem *appMenuItem = [[NSMenuItem alloc] initWithTitle:@"Apple"
-                                                      action:nil keyEquivalent:@""];
-        appMenuItem.submenu = appMenu;
-        [menu insertItem:appMenuItem atIndex:0];
-    }
+    if (!mainMenu || !unparentAppMenu(mainMenu))
+        if (appMenu.supermenu)
+            unparentAppMenu(appMenu.supermenu);
+
+    NSMenuItem *appMenuItem = [[NSMenuItem alloc] initWithTitle:@"Apple"
+                               action:nil keyEquivalent:@""];
+    appMenuItem.submenu = appMenu;
+    [menu insertItem:appMenuItem atIndex:0];
 }
 
 - (NSMenu *)menu
diff --git a/src/plugins/platforms/windows/qwindowscursor.cpp b/src/plugins/platforms/windows/qwindowscursor.cpp
index 1443e5e920..825602e7dc 100644
--- a/src/plugins/platforms/windows/qwindowscursor.cpp
+++ b/src/plugins/platforms/windows/qwindowscursor.cpp
@@ -550,6 +550,7 @@ CursorHandlePtr QWindowsCursor::standardWindowCursor(Qt::CursorShape shape)
 }
 
 HCURSOR QWindowsCursor::m_overriddenCursor = nullptr;
+HCURSOR QWindowsCursor::m_overrideCursor = nullptr;
 
 /*!
     \brief Return cached pixmap cursor or create new one.
@@ -622,11 +623,20 @@ void QWindowsCursor::changeCursor(QCursor *cursorIn, QWindow *window)
     }
 }
 
+// QTBUG-69637: Override cursors can get reset externally when moving across
+// window borders. Enforce the cursor again (to be called from enter event).
+void QWindowsCursor::enforceOverrideCursor()
+{
+    if (hasOverrideCursor() && m_overrideCursor != GetCursor())
+        SetCursor(m_overrideCursor);
+}
+
 void QWindowsCursor::setOverrideCursor(const QCursor &cursor)
 {
     const CursorHandlePtr wcursor = cursorHandle(cursor);
-    if (wcursor->handle()) {
-        const HCURSOR previousCursor = SetCursor(wcursor->handle());
+    if (const auto overrideCursor = wcursor->handle()) {
+        m_overrideCursor = overrideCursor;
+        const HCURSOR previousCursor = SetCursor(overrideCursor);
         if (m_overriddenCursor == nullptr)
             m_overriddenCursor = previousCursor;
     } else {
@@ -639,7 +649,7 @@ void QWindowsCursor::clearOverrideCursor()
 {
     if (m_overriddenCursor) {
         SetCursor(m_overriddenCursor);
-        m_overriddenCursor = nullptr;
+        m_overriddenCursor = m_overrideCursor = nullptr;
     }
 }
 
diff --git a/src/plugins/platforms/windows/qwindowscursor.h b/src/plugins/platforms/windows/qwindowscursor.h
index 715533e0af..1816732594 100644
--- a/src/plugins/platforms/windows/qwindowscursor.h
+++ b/src/plugins/platforms/windows/qwindowscursor.h
@@ -107,7 +107,8 @@ public:
     void changeCursor(QCursor * widgetCursor, QWindow * widget) override;
     void setOverrideCursor(const QCursor &cursor) override;
     void clearOverrideCursor() override;
-    bool hasOverrideCursor() const { return m_overriddenCursor != nullptr; }
+    static void enforceOverrideCursor();
+    static bool hasOverrideCursor() { return m_overriddenCursor != nullptr; }
 
     QPoint pos() const override;
     void setPos(const QPoint &pos) override;
@@ -143,6 +144,7 @@ private:
     mutable QPixmap m_ignoreDragCursor;
 
     static HCURSOR m_overriddenCursor;
+    static HCURSOR m_overrideCursor;
 };
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index 17fc120b42..45788fec15 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -2108,6 +2108,8 @@ bool QWindowsWindow::handleGeometryChangingMessage(MSG *message, const QWindow *
             HWND desktopHWND = GetDesktopWindow();
             platformWindow->m_data.embedded = !parentWindow && parentHWND && (parentHWND != desktopHWND);
         }
+        if (qWindow->flags().testFlag(Qt::WindowStaysOnBottomHint))
+            windowPos->hwndInsertAfter = HWND_BOTTOM;
     }
     if (!qWindow->isTopLevel()) // Implement hasHeightForWidth().
         return false;
@@ -2454,8 +2456,11 @@ static inline bool applyNewCursor(const QWindow *w)
 
 void QWindowsWindow::applyCursor()
 {
-    if (static_cast<const QWindowsCursor *>(screen()->cursor())->hasOverrideCursor())
+    if (QWindowsCursor::hasOverrideCursor()) {
+        if (isTopLevel())
+            QWindowsCursor::enforceOverrideCursor();
         return;
+    }
 #ifndef QT_NO_CURSOR
     if (m_cursor->isNull()) { // Recurse up to parent with non-null cursor. Set default for toplevel.
         if (const QWindow *p = window()->parent()) {
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
index 0ae60ad220..85a931e015 100644
--- a/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiaaccessibility.cpp
@@ -68,21 +68,18 @@ QWindowsUiaAccessibility::~QWindowsUiaAccessibility()
 // Handles UI Automation window messages.
 bool QWindowsUiaAccessibility::handleWmGetObject(HWND hwnd, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
 {
-    if (lParam == LPARAM(UiaRootObjectId)) {
-
-        // Start handling accessibility internally
-        QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true);
-
-        // Ignoring all requests while starting up / shutting down
-        if (QCoreApplication::startingUp() || QCoreApplication::closingDown())
-            return false;
-
-        if (QWindow *window = QWindowsContext::instance()->findWindow(hwnd)) {
-            if (QAccessibleInterface *accessible = window->accessibleRoot()) {
-                QWindowsUiaMainProvider *provider = QWindowsUiaMainProvider::providerForAccessible(accessible);
-                *lResult = QWindowsUiaWrapper::instance()->returnRawElementProvider(hwnd, wParam, lParam, provider);
-                return true;
-            }
+    // Start handling accessibility internally
+    QGuiApplicationPrivate::platformIntegration()->accessibility()->setActive(true);
+
+    // Ignoring all requests while starting up / shutting down
+    if (QCoreApplication::startingUp() || QCoreApplication::closingDown())
+        return false;
+
+    if (QWindow *window = QWindowsContext::instance()->findWindow(hwnd)) {
+        if (QAccessibleInterface *accessible = window->accessibleRoot()) {
+            QWindowsUiaMainProvider *provider = QWindowsUiaMainProvider::providerForAccessible(accessible);
+            *lResult = QWindowsUiaWrapper::instance()->returnRawElementProvider(hwnd, wParam, lParam, provider);
+            return true;
         }
     }
     return false;
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp
index 96f557efd3..11397fb9ec 100644
--- a/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp
+++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiautils.cpp
@@ -149,7 +149,7 @@ long roleToControlTypeId(QAccessible::Role role)
         {QAccessible::Caret, UIA_CustomControlTypeId},
         {QAccessible::AlertMessage, UIA_CustomControlTypeId},
         {QAccessible::Window, UIA_WindowControlTypeId},
-        {QAccessible::Client, UIA_CustomControlTypeId},
+        {QAccessible::Client, UIA_GroupControlTypeId},
         {QAccessible::PopupMenu, UIA_MenuControlTypeId},
         {QAccessible::MenuItem, UIA_MenuItemControlTypeId},
         {QAccessible::ToolTip, UIA_ToolTipControlTypeId},
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 327811a7d2..c14f3f3703 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -1693,10 +1693,8 @@ bool QXcbConnection::compressEvent(xcb_generic_event_t *event, int currentIndex,
                     continue;
                 if (isXIType(next, m_xiOpCode, XCB_INPUT_TOUCH_UPDATE)) {
                     auto *touchUpdateNextEvent = reinterpret_cast<xcb_input_touch_update_event_t *>(next);
-                    if (id == touchUpdateNextEvent->detail % INT_MAX &&
-                        touchUpdateNextEvent->deviceid == touchUpdateEvent->deviceid) {
+                    if (id == touchUpdateNextEvent->detail % INT_MAX)
                         return true;
-                    }
                 }
             }
             return false;
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index c24bcf91f3..0b31e9c3e7 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -569,7 +569,6 @@ private:
 
     bool m_xi2Enabled = false;
 #if QT_CONFIG(xcb_xinput)
-    QVector<int> m_floatingSlaveDevices;
     int m_xi2Minor = -1;
     void initializeXInput2();
     void xi2SetupDevice(void *info, bool removeExisting = true);
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
index 01b1b37bb8..a327d8dea7 100644
--- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
@@ -113,7 +113,7 @@ void QXcbConnection::xi2SelectDeviceEvents(xcb_window_t window)
     }
 
     qt_xcb_input_event_mask_t mask;
-    mask.header.deviceid = XCB_INPUT_DEVICE_ALL;
+    mask.header.deviceid = XCB_INPUT_DEVICE_ALL_MASTER;
     mask.header.mask_len = 1;
     mask.mask = bitMask;
     xcb_void_cookie_t cookie =
@@ -309,7 +309,6 @@ void QXcbConnection::xi2SetupDevices()
     m_scrollingDevices.clear();
     m_touchDevices.clear();
     m_xiMasterPointerIds.clear();
-    m_floatingSlaveDevices.clear();
 
     auto reply = Q_XCB_REPLY(xcb_input_xi_query_device, m_connection, XCB_INPUT_DEVICE_ALL);
     if (!reply) {
@@ -320,10 +319,6 @@ void QXcbConnection::xi2SetupDevices()
     auto it = xcb_input_xi_query_device_infos_iterator(reply.get());
     for (; it.rem; xcb_input_xi_device_info_next(&it)) {
         xcb_input_xi_device_info_t *deviceInfo = it.data;
-        if (deviceInfo->type == XCB_INPUT_DEVICE_TYPE_FLOATING_SLAVE) {
-            m_floatingSlaveDevices.append(deviceInfo->deviceid);
-            continue;
-        }
         if (deviceInfo->type == XCB_INPUT_DEVICE_TYPE_MASTER_POINTER) {
             m_xiMasterPointerIds.append(deviceInfo->deviceid);
             continue;
@@ -547,72 +542,6 @@ static inline qreal fixed1616ToReal(xcb_input_fp1616_t val)
 }
 #endif // QT_CONFIG(tabletevent)
 
-namespace {
-
-/*! \internal
-
-    Qt listens for XIAllDevices to avoid losing mouse events. This function
-    ensures that we don't process the same event twice: from a slave device and
-    then again from a master device.
-
-    In a normal use case (e.g. mouse press and release inside a window), we will
-    drop events from master devices as duplicates. Other advantage of processing
-    events from slave devices is that they don't share button state. All buttons
-    on a master device share the state.
-
-    Examples of special cases:
-
-    - During system move/resize, window manager (_NET_WM_MOVERESIZE) grabs the
-      master pointer, in this case we process the matching release from the slave
-      device. A master device event is not sent by the server, hence no duplicate
-      event to drop. If we listened for XIAllMasterDevices instead, we would never
-      see a release event in this case.
-
-    - If we dismiss a context menu by clicking somewhere outside a Qt application,
-      we will process the mouse press from the master pointer as that is the
-      device we are grabbing. We are not grabbing slave devices (grabbing on the
-      slave device is buggy according to 19d289ab1b5bde3e136765e5432b5c7d004df3a4).
-      And since the event occurs outside our window, the slave device event is
-      not sent to us by the server, hence no duplicate event to drop.
-*/
-bool isDuplicateEvent(xcb_ge_event_t *event)
-{
-    struct qXIEvent {
-        bool isValid = false;
-        uint16_t sourceid;
-        uint8_t event_type;
-        uint32_t detail;
-        int32_t root_x;
-        int32_t root_y;
-    };
-    static qXIEvent lastSeenEvent;
-
-    bool isDuplicate = false;
-    auto xiDeviceEvent = reinterpret_cast<qt_xcb_input_device_event_t *>(event);
-    if (lastSeenEvent.isValid) {
-        isDuplicate = lastSeenEvent.sourceid == xiDeviceEvent->sourceid &&
-                      lastSeenEvent.event_type == xiDeviceEvent->event_type &&
-                      lastSeenEvent.detail == xiDeviceEvent->detail &&
-                      lastSeenEvent.root_x == xiDeviceEvent->root_x &&
-                      lastSeenEvent.root_y == xiDeviceEvent->root_y;
-    } else {
-        lastSeenEvent.isValid = true;
-    }
-    lastSeenEvent.sourceid = xiDeviceEvent->sourceid;
-    lastSeenEvent.event_type = xiDeviceEvent->event_type;
-    lastSeenEvent.detail = xiDeviceEvent->detail;
-    lastSeenEvent.root_x = xiDeviceEvent->root_x;
-    lastSeenEvent.root_y = xiDeviceEvent->root_y;
-
-    if (isDuplicate)
-        // This sanity check ensures that special cases like QTBUG-59277 keep working.
-        lastSeenEvent.isValid = false; // An event can be a duplicate only once.
-
-    return isDuplicate;
-}
-
-} // namespace
-
 void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event)
 {
     auto *xiEvent = reinterpret_cast<qt_xcb_input_device_event_t *>(event);
@@ -621,31 +550,15 @@ void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event)
     xcb_input_enter_event_t *xiEnterEvent = nullptr;
     QXcbWindowEventListener *eventListener = 0;
 
-    bool isTouchEvent = true;
     switch (xiEvent->event_type) {
     case XCB_INPUT_BUTTON_PRESS:
     case XCB_INPUT_BUTTON_RELEASE:
     case XCB_INPUT_MOTION:
-        isTouchEvent = false;
-        if (!xi2MouseEventsDisabled() && isDuplicateEvent(event))
-            return;
     case XCB_INPUT_TOUCH_BEGIN:
     case XCB_INPUT_TOUCH_UPDATE:
     case XCB_INPUT_TOUCH_END:
     {
         xiDeviceEvent = xiEvent;
-
-        if (m_floatingSlaveDevices.contains(xiDeviceEvent->sourceid))
-            return; // Not interested in floating slave device events, only in attached slaves.
-
-        bool isSlaveEvent = xiDeviceEvent->deviceid == xiDeviceEvent->sourceid;
-        if (!xi2MouseEventsDisabled() && isTouchEvent && isSlaveEvent) {
-            // For touch events we want events only from master devices, at least
-            // currently there is no apparent reason why we would need to consider
-            // events from slave devices.
-            return;
-        }
-
         eventListener = windowEventListenerFromId(xiDeviceEvent->event);
         sourceDeviceId = xiDeviceEvent->sourceid; // use the actual device id instead of the master
         break;
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index ed37c6b1f8..d42d95f890 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -2569,12 +2569,13 @@ bool QXcbWindow::startSystemMove(const QPoint &pos)
 
 bool QXcbWindow::startSystemMoveResize(const QPoint &pos, int corner)
 {
-#if QT_CONFIG(xcb_xinput)
+    return false; // ### FIXME QTBUG-69716
     const xcb_atom_t moveResize = connection()->atom(QXcbAtom::_NET_WM_MOVERESIZE);
     if (!connection()->wmSupport()->isSupportedByWM(moveResize))
         return false;
 
     const QPoint globalPos = QHighDpi::toNativePixels(window()->mapToGlobal(pos), window()->screen());
+#if QT_CONFIG(xcb_xinput)
     // ### FIXME QTBUG-53389
     bool startedByTouch = connection()->startSystemMoveResizeForTouchBegin(m_window, globalPos, corner);
     if (startedByTouch) {
@@ -2584,11 +2585,9 @@ bool QXcbWindow::startSystemMoveResize(const QPoint &pos, int corner)
             return false;
         }
         // KWin, Openbox, AwesomeWM have been tested to work with _NET_WM_MOVERESIZE.
-    } else { // Started by mouse press.
-        if (!connection()->hasXInput2() || connection()->xi2MouseEventsDisabled()) {
-            // Without XI2 we can't get button press/move/release events.
-            return false;
-        }
+    } else
+#endif
+    { // Started by mouse press.
         if (connection()->isUnity())
             return false; // _NET_WM_MOVERESIZE on this WM is bouncy (WM bug?).
 
@@ -2596,11 +2595,6 @@ bool QXcbWindow::startSystemMoveResize(const QPoint &pos, int corner)
     }
 
     return true;
-#else
-    Q_UNUSED(pos);
-    Q_UNUSED(corner);
-    return false;
-#endif // xcb_xinput
 }
 
 void QXcbWindow::doStartSystemMoveResize(const QPoint &globalPos, int corner)
diff --git a/src/sql/README.module b/src/sql/README.module
deleted file mode 100644
index 511d90e83f..0000000000
--- a/src/sql/README.module
+++ /dev/null
@@ -1,37 +0,0 @@
-Before building the Qt library, the Qt SQL module can be enabled for
-specific databases using 'configure'.  'configure' is located at the
-top of your QTDIR.
-
-Specific databases drivers can be enabled using one of the following
-options:
-
-	./configure [-qt-sql-<driver>] [-plugin-sql-<driver>]
-
-or disabled using the following option:
-
-	./configure [-no-sql-<driver>]
-
-Where <driver> is the name of the driver, for example 'psql'.  This
-will configure the Qt library to compile the specified driver into
-the Qt lib itself.
-
-For example, to build the PostgreSQL driver directly into the Qt
-library, configure Qt like this:
-
-	./configure -qt-sql-psql
-
-In addition, you may need to specify an extra include path, as some
-database drivers require headers for the database they are using,
-for example:
-
-	./configure -qt-sql-psql -I/usr/local/include
-
-If instead you need to build the PostgreSQL driver as a dynamically
-loaded plugin, configure Qt like this:
-
-	./configure -plugin-sql-psql
-
-To compile drivers as dynamically loaded plugins, see the
-QTDIR/plugins/src/sqldrivers directory.  Use 'configure -help'
-for a complete list of configure options.  See the Qt documentation
-for a complete list of supported database drivers.
diff --git a/src/testlib/qtestevent.qdoc b/src/testlib/qtestevent.qdoc
index a118017107..f0d3bff162 100644
--- a/src/testlib/qtestevent.qdoc
+++ b/src/testlib/qtestevent.qdoc
@@ -31,12 +31,10 @@
 
     \brief The QTestEventList class provides a list of GUI events.
 
-    QTestEventList inherits from QList<QTestEvent *>, and provides
-    convenience functions for populating the list.
-
     A QTestEventList can be populated with GUI events that can be
     stored as test data for later usage, or be replayed on any
-    QWidget.
+    QWidget. QTestEventList provides convenience functions for populating
+    the list.
 
     Example:
     \snippet code/doc_src_qtestevent.cpp 0
@@ -174,4 +172,3 @@
 
     \sa QTest::mousePress()
 */
-
diff --git a/src/widgets/doc/images/fusion-colordialog.png b/src/widgets/doc/images/fusion-colordialog.png
index 011319e9c8..aacdb7a727 100644
--- a/src/widgets/doc/images/fusion-colordialog.png
+++ b/src/widgets/doc/images/fusion-colordialog.png
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 9a19597cad..0a4efc980c 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -7147,6 +7147,12 @@ void QWidget::move(const QPoint &p)
 // move() was invoked with Qt::WA_WState_Created not set (frame geometry
 // unknown), that is, crect has a position including the frame.
 // If we can determine the frame strut, fix that and clear the flag.
+// FIXME: This does not play well with window states other than
+// Qt::WindowNoState, as we depend on calling setGeometry() on the
+// platform window after fixing up the position so that the new
+// geometry is reflected in the platform window, but when the frame
+// comes in after the window has been shown (e.g. maximized), we're
+// not in a position to do that kind of fixup.
 void QWidgetPrivate::fixPosIncludesFrame()
 {
     Q_Q(QWidget);
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 544cc5ef95..3ee3e856bc 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -879,9 +879,16 @@ QSize QCommonStylePrivate::viewItemSize(const QStyleOptionViewItem *option, int
             QRect bounds = option->rect;
             switch (option->decorationPosition) {
             case QStyleOptionViewItem::Left:
-            case QStyleOptionViewItem::Right:
-                bounds.setWidth(wrapText && bounds.isValid() ? bounds.width() - 2 * textMargin : QFIXED_MAX);
+            case QStyleOptionViewItem::Right: {
+                if (wrapText && bounds.isValid()) {
+                    int width = bounds.width() - 2 * textMargin;
+                    if (option->features & QStyleOptionViewItem::HasDecoration)
+                        width -= option->decorationSize.width() + 2 * textMargin;
+                    bounds.setWidth(width);
+                } else
+                    bounds.setWidth(QFIXED_MAX);
                 break;
+            }
             case QStyleOptionViewItem::Top:
             case QStyleOptionViewItem::Bottom:
                 if (wrapText)
@@ -893,12 +900,8 @@ QSize QCommonStylePrivate::viewItemSize(const QStyleOptionViewItem *option, int
                 break;
             }
 
-            if (wrapText) {
-                if (option->features & QStyleOptionViewItem::HasCheckIndicator)
-                    bounds.setWidth(bounds.width() - proxyStyle->pixelMetric(QStyle::PM_IndicatorWidth) - 2 * textMargin);
-                if (option->features & QStyleOptionViewItem::HasDecoration)
-                    bounds.setWidth(bounds.width() - option->decorationSize.width() - 2 * textMargin);
-            }
+            if (wrapText && option->features & QStyleOptionViewItem::HasCheckIndicator)
+                bounds.setWidth(bounds.width() - proxyStyle->pixelMetric(QStyle::PM_IndicatorWidth) - 2 * textMargin);
 
             const int lineWidth = bounds.width();
             const QSizeF size = viewItemTextLayout(textLayout, lineWidth);
diff --git a/src/widgets/widgets/qlabel.cpp b/src/widgets/widgets/qlabel.cpp
index 518c0275d3..60f88df9af 100644
--- a/src/widgets/widgets/qlabel.cpp
+++ b/src/widgets/widgets/qlabel.cpp
@@ -189,7 +189,7 @@ QLabelPrivate::~QLabelPrivate()
 
 #ifndef QT_NO_PICTURE
 /*!
-    Returns the label's picture or 0 if the label doesn't have a
+    Returns the label's picture or nullptr if the label doesn't have a
     picture.
 */
 
@@ -348,7 +348,7 @@ void QLabel::clear()
     \property QLabel::pixmap
     \brief the label's pixmap
 
-    If no pixmap has been set this will return 0.
+    If no pixmap has been set this will return nullptr.
 
     Setting the pixmap clears any previous content. The buddy
     shortcut, if any, is disabled.
@@ -1157,7 +1157,7 @@ void QLabelPrivate::updateLabel()
     Alt+P.
 
     To unset a previously set buddy, call this function with \a buddy
-    set to 0.
+    set to nullptr.
 
     \sa buddy(), setText(), QShortcut, setAlignment()
 */
@@ -1187,7 +1187,7 @@ void QLabel::setBuddy(QWidget *buddy)
 
 
 /*!
-    Returns this label's buddy, or 0 if no buddy is currently set.
+    Returns this label's buddy, or nullptr if no buddy is currently set.
 
     \sa setBuddy()
 */
@@ -1339,7 +1339,7 @@ void QLabelPrivate::clearContents()
 #if QT_CONFIG(movie)
 
 /*!
-    Returns a pointer to the label's movie, or 0 if no movie has been
+    Returns a pointer to the label's movie, or nullptr if no movie has been
     set.
 
     \sa setMovie()
diff --git a/tests/auto/corelib/io/qprocess/qprocess.pri b/tests/auto/corelib/io/qprocess/qprocess.pri
index d5a7532ee1..8d17090545 100644
--- a/tests/auto/corelib/io/qprocess/qprocess.pri
+++ b/tests/auto/corelib/io/qprocess/qprocess.pri
@@ -11,6 +11,7 @@ SUBPROGRAMS = \
           testProcessEOF \
           testExitCodes \
           testForwarding \
+          testForwardingHelper \
           testGuiProcess \
           testDetached \
           fileWriterProcess \
diff --git a/tests/auto/corelib/io/qprocess/testForwarding/main.cpp b/tests/auto/corelib/io/qprocess/testForwarding/main.cpp
index b7367ff8c6..b5d56a1138 100644
--- a/tests/auto/corelib/io/qprocess/testForwarding/main.cpp
+++ b/tests/auto/corelib/io/qprocess/testForwarding/main.cpp
@@ -27,15 +27,32 @@
 ****************************************************************************/
 
 #include <QtCore/QCoreApplication>
+#include <QtCore/QDeadlineTimer>
 #include <QtCore/QProcess>
+#include <QtCore/QTemporaryFile>
+#include <QtCore/QThread>
 
 #include <stdlib.h>
 
+static bool waitForDoneFileWritten(const QString &filePath, int msecs = 30000)
+{
+    QDeadlineTimer t(msecs);
+    do {
+        QThread::msleep(250);
+        QFile file(filePath);
+        if (!file.open(QIODevice::ReadOnly))
+            continue;
+        if (file.readAll() == "That's all folks!")
+            return true;
+    } while (!t.hasExpired());
+    return false;
+}
+
 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);
 
-    if (argc < 3)
+    if (argc < 4)
         return 13;
 
     QProcess process;
@@ -50,23 +67,37 @@ int main(int argc, char **argv)
     if (process.inputChannelMode() != inmode)
         return 11;
 
-    process.start("testProcessEcho2/testProcessEcho2");
+    if (atoi(argv[3])) {
+        QTemporaryFile doneFile("testForwarding_XXXXXX.txt");
+        if (!doneFile.open())
+            return 12;
+        doneFile.close();
+
+        process.setProgram("testForwardingHelper/testForwardingHelper");
+        process.setArguments(QStringList(doneFile.fileName()));
+        if (!process.startDetached())
+            return 13;
+        if (!waitForDoneFileWritten(doneFile.fileName()))
+            return 14;
+    } else {
+        process.start("testProcessEcho2/testProcessEcho2");
 
-    if (!process.waitForStarted(5000))
-        return 2;
+        if (!process.waitForStarted(5000))
+            return 2;
 
-    if (inmode == QProcess::ManagedInputChannel && process.write("forwarded") != 9)
-        return 3;
+        if (inmode == QProcess::ManagedInputChannel && process.write("forwarded") != 9)
+            return 3;
 
-    process.closeWriteChannel();
-    if (!process.waitForFinished(5000))
-        return 4;
+        process.closeWriteChannel();
+        if (!process.waitForFinished(5000))
+            return 4;
 
-    if ((mode == QProcess::ForwardedOutputChannel || mode == QProcess::ForwardedChannels)
+        if ((mode == QProcess::ForwardedOutputChannel || mode == QProcess::ForwardedChannels)
             && !process.readAllStandardOutput().isEmpty())
-        return 5;
-    if ((mode == QProcess::ForwardedErrorChannel || mode == QProcess::ForwardedChannels)
+            return 5;
+        if ((mode == QProcess::ForwardedErrorChannel || mode == QProcess::ForwardedChannels)
             && !process.readAllStandardError().isEmpty())
-        return 6;
+            return 6;
+    }
     return 0;
 }
diff --git a/tests/auto/corelib/io/qprocess/testForwardingHelper/main.cpp b/tests/auto/corelib/io/qprocess/testForwardingHelper/main.cpp
new file mode 100644
index 0000000000..682ca7346b
--- /dev/null
+++ b/tests/auto/corelib/io/qprocess/testForwardingHelper/main.cpp
@@ -0,0 +1,45 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <fstream>
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    if (argc < 2) {
+        puts("Usage: testForwardingHelper <doneFilePath>");
+        return 1;
+    }
+    fputs("out data", stdout);
+    fputs("err data", stderr);
+    fflush(stdout);
+    fflush(stderr);
+    std::ofstream out(argv[1]);
+    out << "That's all folks!";
+    return 0;
+}
diff --git a/tests/auto/corelib/io/qprocess/testForwardingHelper/testForwardingHelper.pro b/tests/auto/corelib/io/qprocess/testForwardingHelper/testForwardingHelper.pro
new file mode 100644
index 0000000000..e236e05c7d
--- /dev/null
+++ b/tests/auto/corelib/io/qprocess/testForwardingHelper/testForwardingHelper.pro
@@ -0,0 +1,4 @@
+SOURCES = main.cpp
+CONFIG -= qt app_bundle
+CONFIG += console
+DESTDIR = ./
diff --git a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
index e19653abf0..e0aa577154 100644
--- a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
+++ b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
@@ -1047,32 +1047,50 @@ void tst_QProcess::mergedChannels()
 
 void tst_QProcess::forwardedChannels_data()
 {
+    QTest::addColumn<bool>("detach");
     QTest::addColumn<int>("mode");
     QTest::addColumn<int>("inmode");
     QTest::addColumn<QByteArray>("outdata");
     QTest::addColumn<QByteArray>("errdata");
 
-    QTest::newRow("separate") << int(QProcess::SeparateChannels) << int(QProcess::ManagedInputChannel)
-                              << QByteArray() << QByteArray();
-    QTest::newRow("forwarded") << int(QProcess::ForwardedChannels) << int(QProcess::ManagedInputChannel)
-                               << QByteArray("forwarded") << QByteArray("forwarded");
-    QTest::newRow("stdout") << int(QProcess::ForwardedOutputChannel) << int(QProcess::ManagedInputChannel)
-                            << QByteArray("forwarded") << QByteArray();
-    QTest::newRow("stderr") << int(QProcess::ForwardedErrorChannel) << int(QProcess::ManagedInputChannel)
-                            << QByteArray() << QByteArray("forwarded");
-    QTest::newRow("fwdinput") << int(QProcess::ForwardedErrorChannel) << int(QProcess::ForwardedInputChannel)
-                            << QByteArray() << QByteArray("input");
+    QTest::newRow("separate")
+            << false
+            << int(QProcess::SeparateChannels) << int(QProcess::ManagedInputChannel)
+            << QByteArray() << QByteArray();
+    QTest::newRow("forwarded")
+            << false
+            << int(QProcess::ForwardedChannels) << int(QProcess::ManagedInputChannel)
+            << QByteArray("forwarded") << QByteArray("forwarded");
+    QTest::newRow("stdout")
+            << false
+            << int(QProcess::ForwardedOutputChannel) << int(QProcess::ManagedInputChannel)
+            << QByteArray("forwarded") << QByteArray();
+    QTest::newRow("stderr")
+            << false
+            << int(QProcess::ForwardedErrorChannel) << int(QProcess::ManagedInputChannel)
+            << QByteArray() << QByteArray("forwarded");
+    QTest::newRow("fwdinput")
+            << false
+            << int(QProcess::ForwardedErrorChannel) << int(QProcess::ForwardedInputChannel)
+            << QByteArray() << QByteArray("input");
+    QTest::newRow("detached-default-forwarding")
+            << true
+            << int(QProcess::SeparateChannels) << int(QProcess::ManagedInputChannel)
+            << QByteArray("out data") << QByteArray("err data");
 }
 
 void tst_QProcess::forwardedChannels()
 {
+    QFETCH(bool, detach);
     QFETCH(int, mode);
     QFETCH(int, inmode);
     QFETCH(QByteArray, outdata);
     QFETCH(QByteArray, errdata);
 
     QProcess process;
-    process.start("testForwarding/testForwarding", QStringList() << QString::number(mode) << QString::number(inmode));
+    process.start("testForwarding/testForwarding",
+                  QStringList() << QString::number(mode) << QString::number(inmode)
+                                << QString::number(bool(detach)));
     QVERIFY(process.waitForStarted(5000));
     QCOMPARE(process.write("input"), 5);
     process.closeWriteChannel();
@@ -1089,7 +1107,9 @@ void tst_QProcess::forwardedChannels()
     case 4: err = "did not finish"; break;
     case 5: err = "unexpected stdout"; break;
     case 6: err = "unexpected stderr"; break;
-    case 13: err = "parameter error"; break;
+    case 12: err = "cannot create temp file"; break;
+    case 13: err = "startDetached failed"; break;
+    case 14: err = "waitForDoneFileWritten timed out"; break;
     default: err = "unknown exit code"; break;
     }
     QVERIFY2(!process.exitCode(), err);
diff --git a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp
index fdacf83eb2..68c6ece583 100644
--- a/tests/auto/corelib/kernel/qobject/tst_qobject.cpp
+++ b/tests/auto/corelib/kernel/qobject/tst_qobject.cpp
@@ -2968,6 +2968,7 @@ void tst_QObject::dynamicProperties()
 
     QVERIFY(obj.dynamicPropertyNames().isEmpty());
 
+    // set a non-dynamic property
     QVERIFY(obj.setProperty("number", 42));
     QVERIFY(obj.changedDynamicProperties.isEmpty());
     QCOMPARE(obj.property("number").toInt(), 42);
@@ -2975,19 +2976,30 @@ void tst_QObject::dynamicProperties()
     QVERIFY(!obj.setProperty("number", "invalid string"));
     QVERIFY(obj.changedDynamicProperties.isEmpty());
 
+    // set a dynamic property
     QVERIFY(!obj.setProperty("myuserproperty", "Hello"));
     QCOMPARE(obj.changedDynamicProperties.count(), 1);
     QCOMPARE(obj.changedDynamicProperties.first(), QByteArray("myuserproperty"));
     //check if there is no redundant DynamicPropertyChange events
     QVERIFY(!obj.setProperty("myuserproperty", "Hello"));
     QCOMPARE(obj.changedDynamicProperties.count(), 1);
-    obj.changedDynamicProperties.clear();
 
+    QCOMPARE(obj.property("myuserproperty").type(), QVariant::String);
     QCOMPARE(obj.property("myuserproperty").toString(), QString("Hello"));
 
     QCOMPARE(obj.dynamicPropertyNames().count(), 1);
     QCOMPARE(obj.dynamicPropertyNames().first(), QByteArray("myuserproperty"));
 
+    // change type of the dynamic property
+    obj.changedDynamicProperties.clear();
+    QVERIFY(!obj.setProperty("myuserproperty", QByteArray("Hello")));
+    QCOMPARE(obj.changedDynamicProperties.count(), 1);
+    QCOMPARE(obj.changedDynamicProperties.first(), QByteArray("myuserproperty"));
+    QCOMPARE(obj.property("myuserproperty").type(), QVariant::ByteArray);
+    QCOMPARE(obj.property("myuserproperty").toString(), QByteArray("Hello"));
+
+    // unset the property
+    obj.changedDynamicProperties.clear();
     QVERIFY(!obj.setProperty("myuserproperty", QVariant()));
 
     QCOMPARE(obj.changedDynamicProperties.count(), 1);
diff --git a/tests/auto/corelib/serialization/json/tst_qtjson.cpp b/tests/auto/corelib/serialization/json/tst_qtjson.cpp
index 41c8f760dc..4651258ef3 100644
--- a/tests/auto/corelib/serialization/json/tst_qtjson.cpp
+++ b/tests/auto/corelib/serialization/json/tst_qtjson.cpp
@@ -648,6 +648,7 @@ void tst_QtJson::testArrayNestedEmpty()
     object.insert("inner", inner);
     QJsonValue val = object.value("inner");
     QJsonArray value = object.value("inner").toArray();
+    QVERIFY(QJsonDocument(value).isArray());
     QCOMPARE(value.size(), 0);
     QCOMPARE(value, inner);
     QCOMPARE(value.size(), 0);
@@ -666,6 +667,7 @@ void tst_QtJson::testObjectNestedEmpty()
     object.insert("inner", inner);
     object.insert("inner2", inner2);
     QJsonObject value = object.value("inner").toObject();
+    QVERIFY(QJsonDocument(value).isObject());
     QCOMPARE(value.size(), 0);
     QCOMPARE(value, inner);
     QCOMPARE(value.size(), 0);
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp
index 1f52018d7f..d32913b822 100644
--- a/tests/auto/gui/image/qimage/tst_qimage.cpp
+++ b/tests/auto/gui/image/qimage/tst_qimage.cpp
@@ -227,6 +227,8 @@ private slots:
 
     void hugeQImage();
 
+    void convertColorTable();
+
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
     void toWinHBITMAP_data();
     void toWinHBITMAP();
@@ -3496,6 +3498,19 @@ void tst_QImage::hugeQImage()
 #endif
 }
 
+void tst_QImage::convertColorTable()
+{
+    QImage image(10, 10, QImage::Format_Indexed8);
+    image.setColor(0, 0x80ffffff);
+    image.fill(0);
+    QImage argb32 = image.convertToFormat(QImage::Format_ARGB32);
+    QCOMPARE(argb32.pixel(0,0), 0x80ffffff);
+    QImage argb32pm = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);
+    QCOMPARE(argb32pm.pixel(0,0), 0x80808080);
+    QImage rgb32 = image.convertToFormat(QImage::Format_RGB32);
+    QCOMPARE(rgb32.pixel(0,0), 0xffffffff);
+}
+
 #if defined(Q_OS_WIN) && !defined(Q_OS_WINRT)
 QT_BEGIN_NAMESPACE
 Q_GUI_EXPORT HBITMAP qt_imageToWinHBITMAP(const QImage &p, int hbitmapFormat = 0);
diff --git a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
index 76c9dd8361..30b41da515 100644
--- a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
+++ b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
@@ -393,6 +393,7 @@ private Q_SLOTS:
     void ignoreSslErrorsListWithSlot_data();
     void ignoreSslErrorsListWithSlot();
     void encrypted();
+    void abortOnEncrypted();
     void sslConfiguration_data();
     void sslConfiguration();
 #ifdef QT_BUILD_INTERNAL
@@ -6365,6 +6366,37 @@ void tst_QNetworkReply::encrypted()
     reply->deleteLater();
 }
 
+void tst_QNetworkReply::abortOnEncrypted()
+{
+    SslServer server;
+    server.listen();
+    if (!server.isListening())
+        QSKIP("Server fails to listen. Skipping since QTcpServer is covered in another test.");
+
+    server.connect(&server, &SslServer::newEncryptedConnection, [&server]() {
+            connect(server.socket, &QTcpSocket::readyRead, server.socket, []() {
+                // This slot must not be invoked!
+                QVERIFY(false);
+            });
+        });
+
+    QNetworkAccessManager nm;
+    QNetworkReply *reply = nm.get(QNetworkRequest(QUrl(QString("https://localhost:%1").arg(server.serverPort()))));
+    reply->ignoreSslErrors();
+
+    connect(reply, &QNetworkReply::encrypted, [reply, &nm]() {
+            reply->abort();
+            nm.clearConnectionCache();
+        });
+
+    QSignalSpy spyEncrypted(reply, &QNetworkReply::encrypted);
+    QTRY_COMPARE(spyEncrypted.count(), 1);
+
+    // Wait for the socket to be closed again in order to be sure QTcpSocket::readyRead would have been emitted.
+    QTRY_VERIFY(server.socket != nullptr);
+    QTRY_COMPARE(server.socket->state(), QAbstractSocket::UnconnectedState);
+}
+
 void tst_QNetworkReply::sslConfiguration()
 {
     QNetworkRequest request(QUrl("https://" + QtNetworkSettings::httpServerName() + "/index.html"));