Merge "Merge remote-tracking branch 'origin/5.13' into dev" into refs/staging/dev

62 files changed, 743 insertions, 259 deletions

diff --git a/configure.pri b/configure.pri
index d8ca93d839..d8d0260fa0 100644
--- a/configure.pri
+++ b/configure.pri
@@ -465,7 +465,9 @@ defineTest(reloadSpec) {
             $$[QT_HOST_DATA/src]/mkspecs/features/mac/toolchain.prf \
             $$[QT_HOST_DATA/src]/mkspecs/features/toolchain.prf
 
-        _SAVED_CONFIG = $$CONFIG
+        saved_variables = CONFIG QMAKE_CXXFLAGS
+        for (name, saved_variables): \
+            _SAVED_$$name = $$eval($$name)
         load(spec_pre)
         # qdevice.pri gets written too late (and we can't write it early
         # enough, as it's populated in stages, with later ones depending
@@ -474,7 +476,8 @@ defineTest(reloadSpec) {
             eval($$l)
         include($$QMAKESPEC/qmake.conf)
         load(spec_post)
-        CONFIG += $$_SAVED_CONFIG
+        for (name, saved_variables): \
+            $$name += $$eval(_SAVED_$$name)
         load(default_pre)
 
         # ensure pristine environment for configuration. again.
diff --git a/examples/corelib/serialization/convert/xmlconverter.cpp b/examples/corelib/serialization/convert/xmlconverter.cpp
index 62908273ce..e62801bf76 100644
--- a/examples/corelib/serialization/convert/xmlconverter.cpp
+++ b/examples/corelib/serialization/convert/xmlconverter.cpp
@@ -70,7 +70,7 @@ static QVariant variantFromXml(QXmlStreamReader &xml, Converter::Options options
 static QVariantList listFromXml(QXmlStreamReader &xml, Converter::Options options)
 {
     QVariantList list;
-    while (!xml.atEnd() && !xml.isEndElement()) {
+    while (!xml.atEnd() && !(xml.isEndElement() && xml.name() == QLatin1String("list"))) {
         xml.readNext();
         switch (xml.tokenType()) {
         case QXmlStreamReader::StartElement:
@@ -107,7 +107,7 @@ static QVariantList listFromXml(QXmlStreamReader &xml, Converter::Options option
 static VariantOrderedMap::value_type mapEntryFromXml(QXmlStreamReader &xml, Converter::Options options)
 {
     QVariant key, value;
-    while (!xml.atEnd() && !xml.isEndElement()) {
+    while (!xml.atEnd() && !(xml.isEndElement() && xml.name() == QLatin1String("entry"))) {
         xml.readNext();
         switch (xml.tokenType()) {
         case QXmlStreamReader::StartElement:
@@ -150,7 +150,7 @@ static QVariant mapFromXml(QXmlStreamReader &xml, Converter::Options options)
     QVariantMap map1;
     VariantOrderedMap map2;
 
-    while (!xml.atEnd() && !xml.isEndElement()) {
+    while (!xml.atEnd() && !(xml.isEndElement() && xml.name() == QLatin1String("map"))) {
         xml.readNext();
         switch (xml.tokenType()) {
         case QXmlStreamReader::StartElement:
diff --git a/mkspecs/common/ghs-integrity-armv8.conf b/mkspecs/common/ghs-integrity-armv8.conf
index ee4ce458de..e454cfd245 100644
--- a/mkspecs/common/ghs-integrity-armv8.conf
+++ b/mkspecs/common/ghs-integrity-armv8.conf
@@ -17,8 +17,8 @@ os_directory = $$(INTEGRITY_DIR)
 isEmpty(os_directory): \
     error("This qmakespec requires $INTEGRITY_DIR to be set")
 
-QMAKE_CC                = cxintarm64 -U__ARM_NEON__ -U__ARM_NEON -bsp $$bsp_name -os_dir $$os_directory -non_shared
-QMAKE_CXX               = cxintarm64 -U__ARM_NEON__ -U__ARM_NEON -bsp $$bsp_name -os_dir $$os_directory -non_shared
+QMAKE_CC                = cxintarm64 -bsp $$bsp_name -os_dir $$os_directory -non_shared
+QMAKE_CXX               = cxintarm64 -bsp $$bsp_name -os_dir $$os_directory -non_shared
 QMAKE_LINK              = $$QMAKE_CXX
 QMAKE_AR                = $$QMAKE_CXX -archive -o
 
diff --git a/qmake/generators/win32/msvc_nmake.cpp b/qmake/generators/win32/msvc_nmake.cpp
index a6e850a036..650c0888c7 100644
--- a/qmake/generators/win32/msvc_nmake.cpp
+++ b/qmake/generators/win32/msvc_nmake.cpp
@@ -254,7 +254,7 @@ void NmakeMakefileGenerator::init()
 
     ProString tgt = project->first("DESTDIR")
                     + project->first("TARGET") + project->first("TARGET_VERSION_EXT");
-    if(project->isActiveConfig("shared")) {
+    if (project->first("TEMPLATE") == "lib" && project->isActiveConfig("shared")) {
         project->values("QMAKE_CLEAN").append(tgt + ".exp");
         project->values("QMAKE_DISTCLEAN").append(tgt + ".lib");
     }
diff --git a/src/corelib/configure.json b/src/corelib/configure.json
index 81768507f6..a6091d4825 100644
--- a/src/corelib/configure.json
+++ b/src/corelib/configure.json
@@ -11,6 +11,7 @@
             "icu": "boolean",
             "inotify": "boolean",
             "journald": "boolean",
+            "mimetype-database": "boolean",
             "pcre": { "type": "enum", "values": [ "no", "qt", "system" ] },
             "posix-ipc": { "type": "boolean", "name": "ipc_posix" },
             "pps": { "type": "boolean", "name": "qqnx_pps" },
@@ -374,6 +375,16 @@
                 ]
             }
         },
+        "glibc": {
+            "label": "GNU libc",
+            "type": "compile",
+            "test": {
+                "include": "stdlib.h",
+                "main": [
+                    "return __GLIBC__;"
+                ]
+            }
+        },
         "inotify": {
             "label": "inotify",
             "type": "compile",
@@ -593,6 +604,12 @@
             "condition": "libs.glib",
             "output": [ "privateFeature", "feature" ]
         },
+        "glibc": {
+            "label": "GNU libc",
+            "autoDetect": "config.linux",
+            "condition": "tests.glibc",
+            "output": [ "privateFeature" ]
+        },
         "iconv": {
             "label": "iconv",
             "purpose": "Provides internationalization on Unix.",
@@ -662,6 +679,11 @@
             "condition": "features.textcodec",
             "output": [ "publicFeature", "feature" ]
         },
+        "mimetype-database": {
+            "label": "Built-in copy of the MIME database",
+            "condition": "features.mimetype",
+            "output": [ "privateFeature" ]
+        },
         "pcre2": {
             "label": "PCRE2",
             "disable": "input.pcre == 'no' || input.pcre == 'system'",
@@ -1036,6 +1058,7 @@ Please apply the patch corresponding to your Standard Library vendor, found in
                 "glib",
                 "iconv",
                 "icu",
+                "mimetype-database",
                 {
                     "message": "Tracing backend",
                     "type": "firstAvailableFeature",
diff --git a/src/corelib/global/minimum-linux_p.h b/src/corelib/global/minimum-linux_p.h
index 9c074e13ba..5112015663 100644
--- a/src/corelib/global/minimum-linux_p.h
+++ b/src/corelib/global/minimum-linux_p.h
@@ -78,7 +78,11 @@ QT_BEGIN_NAMESPACE
  * - statx                      4.11                    QT_CONFIG(statx)
  */
 
-#if QT_CONFIG(statx)
+#if QT_CONFIG(statx) && !QT_CONFIG(glibc)
+// if using glibc, the statx() function in sysdeps/unix/sysv/linux/statx.c
+// falls back to stat() for us.
+// (Using QT_CONFIG(glibc) instead of __GLIBC__ because the macros aren't
+// defined in assembler mode)
 #  define MINLINUX_MAJOR        4
 #  define MINLINUX_MINOR        11
 #  define MINLINUX_PATCH        0
diff --git a/src/corelib/itemmodels/qabstractitemmodel.cpp b/src/corelib/itemmodels/qabstractitemmodel.cpp
index abd86f2b49..18f0f6f55f 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.cpp
+++ b/src/corelib/itemmodels/qabstractitemmodel.cpp
@@ -2355,6 +2355,7 @@ QModelIndexList QAbstractItemModel::match(const QModelIndex &start, int role,
     bool wrap = flags & Qt::MatchWrap;
     bool allHits = (hits == -1);
     QString text; // only convert to a string if it is needed
+    const int column = start.column();
     QModelIndex p = parent(start);
     int from = start.row();
     int to = rowCount(p);
@@ -2362,7 +2363,7 @@ QModelIndexList QAbstractItemModel::match(const QModelIndex &start, int role,
     // iterates twice if wrapping
     for (int i = 0; (wrap && i < 2) || (!wrap && i < 1); ++i) {
         for (int r = from; (r < to) && (allHits || result.count() < hits); ++r) {
-            QModelIndex idx = index(r, start.column(), p);
+            QModelIndex idx = index(r, column, p);
             if (!idx.isValid())
                  continue;
             QVariant v = data(idx, role);
@@ -2401,10 +2402,13 @@ QModelIndexList QAbstractItemModel::match(const QModelIndex &start, int role,
                         result.append(idx);
                 }
             }
-            if (recurse && hasChildren(idx)) { // search the hierarchy
-                result += match(index(0, idx.column(), idx), role,
-                                (text.isEmpty() ? value : text),
-                                (allHits ? -1 : hits - result.count()), flags);
+            if (recurse) {
+                const auto parent = column != 0 ? idx.sibling(idx.row(), 0) : idx;
+                if (hasChildren(parent)) { // search the hierarchy
+                    result += match(index(0, column, parent), role,
+                                    (text.isEmpty() ? value : text),
+                                    (allHits ? -1 : hits - result.count()), flags);
+                }
             }
         }
         // prepare for the next iteration
diff --git a/src/corelib/kernel/qsignalmapper.cpp b/src/corelib/kernel/qsignalmapper.cpp
index d56965281e..02a1281f92 100644
--- a/src/corelib/kernel/qsignalmapper.cpp
+++ b/src/corelib/kernel/qsignalmapper.cpp
@@ -61,7 +61,7 @@ public:
 /*!
     \class QSignalMapper
     \inmodule QtCore
-    \obsolete
+    \obsolete The recommended solution is connecting the signal to a lambda.
     \brief The QSignalMapper class bundles signals from identifiable senders.
 
     \ingroup objectmodel
diff --git a/src/corelib/mimetypes/mimetypes.pri b/src/corelib/mimetypes/mimetypes.pri
index 870b6c65a5..62bbe348e4 100644
--- a/src/corelib/mimetypes/mimetypes.pri
+++ b/src/corelib/mimetypes/mimetypes.pri
@@ -21,5 +21,5 @@ qtConfig(mimetype) {
         mimetypes/qmimeglobpattern.cpp \
         mimetypes/qmimeprovider.cpp
 
-    RESOURCES += mimetypes/mimetypes.qrc
+    qtConfig(mimetype-database): RESOURCES += mimetypes/mimetypes.qrc
 }
diff --git a/src/corelib/mimetypes/qmimeprovider.cpp b/src/corelib/mimetypes/qmimeprovider.cpp
index 5e1447aaa9..7e2696b719 100644
--- a/src/corelib/mimetypes/qmimeprovider.cpp
+++ b/src/corelib/mimetypes/qmimeprovider.cpp
@@ -54,7 +54,9 @@
 
 static void initResources()
 {
+#if QT_CONFIG(mimetype_database)
     Q_INIT_RESOURCE(mimetypes);
+#endif
 }
 
 QT_BEGIN_NAMESPACE
diff --git a/src/corelib/platform/wasm/qstdweb.cpp b/src/corelib/platform/wasm/qstdweb.cpp
index 1afd91d860..198ce897ca 100644
--- a/src/corelib/platform/wasm/qstdweb.cpp
+++ b/src/corelib/platform/wasm/qstdweb.cpp
@@ -227,7 +227,7 @@ std::string EventCallback::contextPropertyName(const std::string &eventName)
     return std::string("data-qtEventCallbackContext") + eventName;
 }
 
-EMSCRIPTEN_BINDINGS(QtStdwebCalback) {
+EMSCRIPTEN_BINDINGS(qtStdwebCalback) {
     emscripten::function("qtStdWebEventCallbackActivate", &EventCallback::activate);
 }
 
diff --git a/src/corelib/tools/qtimezoneprivate_p.h b/src/corelib/tools/qtimezoneprivate_p.h
index c9a5726216..24a9a00f11 100644
--- a/src/corelib/tools/qtimezoneprivate_p.h
+++ b/src/corelib/tools/qtimezoneprivate_p.h
@@ -331,6 +331,7 @@ public:
 
 private:
     void init(const QByteArray &ianaId);
+    QVector<QTimeZonePrivate::Data> getPosixTransitions(qint64 msNear) const;
 
     Data dataForTzTransition(QTzTransitionTime tran) const;
     QVector<QTzTransitionTime> m_tranTimes;
diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp
index bed62a02bd..f75a61977d 100644
--- a/src/corelib/tools/qtimezoneprivate_tz.cpp
+++ b/src/corelib/tools/qtimezoneprivate_tz.cpp
@@ -943,19 +943,21 @@ QTimeZonePrivate::Data QTzTimeZonePrivate::dataForTzTransition(QTzTransitionTime
     return data;
 }
 
-QTimeZonePrivate::Data QTzTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
+QVector<QTimeZonePrivate::Data> QTzTimeZonePrivate::getPosixTransitions(qint64 msNear) const
 {
-    // If we have no rules (so probably an invalid tz), return invalid data:
-    if (!m_tranTimes.size())
-        return invalidData();
+    const int year = QDateTime::fromMSecsSinceEpoch(msNear, Qt::UTC).date().year();
+    // The Data::atMSecsSinceEpoch of the single entry if zone is constant:
+    qint64 atTime = m_tranTimes.isEmpty() ? msNear : m_tranTimes.last().atMSecsSinceEpoch;
+    return calculatePosixTransitions(m_posixRule, year - 1, year + 1, atTime);
+}
 
-    // If the required time is after the last transition and we have a POSIX rule then use it
-    if (m_tranTimes.last().atMSecsSinceEpoch < forMSecsSinceEpoch
+QTimeZonePrivate::Data QTzTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
+{
+    // If the required time is after the last transition (or there were none)
+    // and we have a POSIX rule then use it:
+    if ((m_tranTimes.isEmpty() || m_tranTimes.last().atMSecsSinceEpoch < forMSecsSinceEpoch)
         && !m_posixRule.isEmpty() && forMSecsSinceEpoch >= 0) {
-        const int year = QDateTime::fromMSecsSinceEpoch(forMSecsSinceEpoch, Qt::UTC).date().year();
-        QVector<QTimeZonePrivate::Data> posixTrans =
-            calculatePosixTransitions(m_posixRule, year - 1, year + 1,
-                                      m_tranTimes.last().atMSecsSinceEpoch);
+        QVector<QTimeZonePrivate::Data> posixTrans = getPosixTransitions(forMSecsSinceEpoch);
         auto it = std::partition_point(posixTrans.cbegin(), posixTrans.cend(),
                                        [forMSecsSinceEpoch] (const QTimeZonePrivate::Data &at) {
                                            return at.atMSecsSinceEpoch <= forMSecsSinceEpoch;
@@ -986,13 +988,11 @@ bool QTzTimeZonePrivate::hasTransitions() const
 
 QTimeZonePrivate::Data QTzTimeZonePrivate::nextTransition(qint64 afterMSecsSinceEpoch) const
 {
-    // If the required time is after the last transition and we have a POSIX rule then use it
-    if (m_tranTimes.size() > 0 && m_tranTimes.last().atMSecsSinceEpoch < afterMSecsSinceEpoch
+    // If the required time is after the last transition (or there were none)
+    // and we have a POSIX rule then use it:
+    if ((m_tranTimes.isEmpty() || m_tranTimes.last().atMSecsSinceEpoch < afterMSecsSinceEpoch)
         && !m_posixRule.isEmpty() && afterMSecsSinceEpoch >= 0) {
-        const int year = QDateTime::fromMSecsSinceEpoch(afterMSecsSinceEpoch, Qt::UTC).date().year();
-        QVector<QTimeZonePrivate::Data> posixTrans =
-            calculatePosixTransitions(m_posixRule, year - 1, year + 1,
-                                      m_tranTimes.last().atMSecsSinceEpoch);
+        QVector<QTimeZonePrivate::Data> posixTrans = getPosixTransitions(afterMSecsSinceEpoch);
         auto it = std::partition_point(posixTrans.cbegin(), posixTrans.cend(),
                                        [afterMSecsSinceEpoch] (const QTimeZonePrivate::Data &at) {
                                            return at.atMSecsSinceEpoch <= afterMSecsSinceEpoch;
@@ -1011,19 +1011,19 @@ QTimeZonePrivate::Data QTzTimeZonePrivate::nextTransition(qint64 afterMSecsSince
 
 QTimeZonePrivate::Data QTzTimeZonePrivate::previousTransition(qint64 beforeMSecsSinceEpoch) const
 {
-    // If the required time is after the last transition and we have a POSIX rule then use it
-    if (m_tranTimes.size() > 0 && m_tranTimes.last().atMSecsSinceEpoch < beforeMSecsSinceEpoch
+    // If the required time is after the last transition (or there were none)
+    // and we have a POSIX rule then use it:
+    if ((m_tranTimes.isEmpty() || m_tranTimes.last().atMSecsSinceEpoch < beforeMSecsSinceEpoch)
         && !m_posixRule.isEmpty() && beforeMSecsSinceEpoch > 0) {
-        const int year = QDateTime::fromMSecsSinceEpoch(beforeMSecsSinceEpoch, Qt::UTC).date().year();
-        QVector<QTimeZonePrivate::Data> posixTrans =
-            calculatePosixTransitions(m_posixRule, year - 1, year + 1,
-                                      m_tranTimes.last().atMSecsSinceEpoch);
+        QVector<QTimeZonePrivate::Data> posixTrans = getPosixTransitions(beforeMSecsSinceEpoch);
         auto it = std::partition_point(posixTrans.cbegin(), posixTrans.cend(),
                                        [beforeMSecsSinceEpoch] (const QTimeZonePrivate::Data &at) {
                                            return at.atMSecsSinceEpoch < beforeMSecsSinceEpoch;
                                        });
-        Q_ASSERT(it > posixTrans.cbegin());
-        return *--it;
+        if (it > posixTrans.cbegin())
+            return *--it;
+        // It fell between the last transition (if any) and the first of the POSIX rule:
+        return m_tranTimes.isEmpty() ? invalidData() : dataForTzTransition(m_tranTimes.last());
     }
 
     // Otherwise if we can find a valid tran then use its rule
diff --git a/src/gui/image/qimage_neon.cpp b/src/gui/image/qimage_neon.cpp
index 57a24edeca..9dbcb11db5 100644
--- a/src/gui/image/qimage_neon.cpp
+++ b/src/gui/image/qimage_neon.cpp
@@ -52,65 +52,41 @@ Q_GUI_EXPORT void QT_FASTCALL qt_convert_rgb888_to_rgb32_neon(quint32 *dst, cons
 
     const quint32 *const end = dst + len;
 
-    // align dst on 64 bits
-    const int offsetToAlignOn8Bytes = (reinterpret_cast<quintptr>(dst) >> 2) & 0x1;
-    for (int i = 0; i < offsetToAlignOn8Bytes; ++i) {
+    // align dst on 128 bits
+    const int offsetToAlignOn16Bytes = (reinterpret_cast<quintptr>(dst) >> 2) & 0x3;
+    for (int i = 0; i < offsetToAlignOn16Bytes; ++i) {
         *dst++ = qRgb(src[0], src[1], src[2]);
         src += 3;
     }
 
-    if ((len - offsetToAlignOn8Bytes) >= 8) {
-        const quint32 *const simdEnd = end - 7;
-#if !defined(Q_PROCESSOR_ARM_64)
-        register uint8x8_t fullVector asm ("d3") = vdup_n_u8(0xff);
-        do {
+    if ((len - offsetToAlignOn16Bytes) >= 16) {
+        const quint32 *const simdEnd = end - 15;
+        uint8x16x4_t dstVector;
 #if Q_BYTE_ORDER == Q_BIG_ENDIAN
-            asm volatile (
-                "vld3.8     { d4, d5, d6 }, [%[SRC]] !\n\t"
-                "vst4.8     { d3, d4, d5, d6 }, [%[DST],:64] !\n\t"
-                : [DST]"+r" (dst), [SRC]"+r" (src)
-                : "w"(fullVector)
-                : "memory", "d4", "d5", "d6"
-            );
+        dstVector.val[0] = vdupq_n_u8(0xff);
 #else
-            asm volatile (
-                "vld3.8     { d0, d1, d2 }, [%[SRC]] !\n\t"
-                "vswp d0, d2\n\t"
-                "vst4.8     { d0, d1, d2, d3 }, [%[DST],:64] !\n\t"
-                : [DST]"+r" (dst), [SRC]"+r" (src)
-                : "w"(fullVector)
-                : "memory", "d0", "d1", "d2"
-            );
+        dstVector.val[3] = vdupq_n_u8(0xff);
 #endif
-        } while (dst < simdEnd);
-#else
-        register uint8x8_t fullVector asm ("v3") = vdup_n_u8(0xff);
         do {
+            uint8x16x3_t srcVector = vld3q_u8(src);
+            src += 3 * 16;
 #if Q_BYTE_ORDER == Q_BIG_ENDIAN
-            asm volatile (
-                "ld3     { v4.8b, v5.8b, v6.8b }, [%[SRC]], #24 \n\t"
-                "st4     { v3.8b, v4.8b, v5.8b, v6.8b }, [%[DST]], #32 \n\t"
-                : [DST]"+r" (dst), [SRC]"+r" (src)
-                : "w"(fullVector)
-                : "memory", "v4", "v5", "v6"
-            );
+            dstVector.val[1] = srcVector.val[0];
+            dstVector.val[2] = srcVector.val[1];
+            dstVector.val[3] = srcVector.val[2];
 #else
-            asm volatile (
-                "ld3     { v0.8b, v1.8b, v2.8b }, [%[SRC]], #24 \n\t"
-                "mov v4.8b, v2.8b\n\t"
-                "mov v2.8b, v0.8b\n\t"
-                "mov v0.8b, v4.8b\n\t"
-                "st4     { v0.8b, v1.8b, v2.8b, v3.8b }, [%[DST]], #32 \n\t"
-                : [DST]"+r" (dst), [SRC]"+r" (src)
-                : "w"(fullVector)
-                : "memory", "v0", "v1", "v2", "v4"
-            );
+            dstVector.val[0] = srcVector.val[2];
+            dstVector.val[1] = srcVector.val[1];
+            dstVector.val[2] = srcVector.val[0];
 #endif
+            vst4q_u8(reinterpret_cast<uint8_t*>(dst), dstVector);
+            dst += 16;
         } while (dst < simdEnd);
-#endif
     }
 
-    while (dst != end) {
+    int i = 0;
+    int length = end - dst;
+    SIMD_EPILOGUE(i, length, 15) {
         *dst++ = qRgb(src[0], src[1], src[2]);
         src += 3;
     }
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index 2ef1d09422..5b4d218603 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -1552,6 +1552,11 @@ QPixmap QPixmap::fromImage(const QImage &image, Qt::ImageConversionFlags flags)
     if (image.isNull())
         return QPixmap();
 
+    if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) {
+        qWarning("QPixmap::fromImage: QPixmap cannot be created without a QGuiApplication");
+        return QPixmap();
+    }
+
     QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType));
     data->fromImage(image, flags);
     return QPixmap(data.take());
@@ -1574,6 +1579,11 @@ QPixmap QPixmap::fromImageInPlace(QImage &image, Qt::ImageConversionFlags flags)
     if (image.isNull())
         return QPixmap();
 
+    if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) {
+        qWarning("QPixmap::fromImageInPlace: QPixmap cannot be created without a QGuiApplication");
+        return QPixmap();
+    }
+
     QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType));
     data->fromImageInPlace(image, flags);
     return QPixmap(data.take());
@@ -1593,6 +1603,11 @@ QPixmap QPixmap::fromImageInPlace(QImage &image, Qt::ImageConversionFlags flags)
 */
 QPixmap QPixmap::fromImageReader(QImageReader *imageReader, Qt::ImageConversionFlags flags)
 {
+    if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) {
+        qWarning("QPixmap::fromImageReader: QPixmap cannot be created without a QGuiApplication");
+        return QPixmap();
+    }
+
     QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType));
     data->fromImageReader(imageReader, flags);
     return QPixmap(data.take());
diff --git a/src/gui/kernel/qplatformwindow.cpp b/src/gui/kernel/qplatformwindow.cpp
index d6f90c9254..562289a8c9 100644
--- a/src/gui/kernel/qplatformwindow.cpp
+++ b/src/gui/kernel/qplatformwindow.cpp
@@ -708,10 +708,11 @@ QRect QPlatformWindow::initialGeometry(const QWindow *w,
     const QScreen *screen = effectiveScreen(w);
     if (!screen)
         return initialGeometry;
+    const auto *wp = qt_window_private(const_cast<QWindow*>(w));
     QRect rect(QHighDpi::fromNativePixels(initialGeometry, w));
-    rect.setSize(fixInitialSize(rect.size(), w, defaultWidth, defaultHeight));
-    if (qt_window_private(const_cast<QWindow*>(w))->positionAutomatic
-            && w->type() != Qt::Popup) {
+    if (wp->resizeAutomatic)
+        rect.setSize(fixInitialSize(rect.size(), w, defaultWidth, defaultHeight));
+    if (wp->positionAutomatic && w->type() != Qt::Popup) {
         const QRect availableGeometry = screen->availableGeometry();
         // Center unless the geometry ( + unknown window frame) is too large for the screen).
         if (rect.height() < (availableGeometry.height() * 8) / 9
diff --git a/src/gui/kernel/qwindow_p.h b/src/gui/kernel/qwindow_p.h
index 1098321135..eb0b606598 100644
--- a/src/gui/kernel/qwindow_p.h
+++ b/src/gui/kernel/qwindow_p.h
@@ -90,6 +90,7 @@ public:
         , receivedExpose(false)
         , positionPolicy(WindowFrameExclusive)
         , positionAutomatic(true)
+        , resizeAutomatic(true)
         , contentOrientation(Qt::PrimaryOrientation)
         , opacity(qreal(1.0))
         , minimumSize(0, 0)
@@ -156,6 +157,8 @@ public:
     virtual void processSafeAreaMarginsChanged() {};
 
     bool isPopup() const { return (windowFlags & Qt::WindowType_Mask) == Qt::Popup; }
+    void setAutomaticPositionAndResizeEnabled(bool a)
+    { positionAutomatic = resizeAutomatic = a; }
 
     static QWindowPrivate *get(QWindow *window) { return window->d_func(); }
 
@@ -179,6 +182,11 @@ public:
     bool receivedExpose;
     PositionPolicy positionPolicy;
     bool positionAutomatic;
+    // resizeAutomatic suppresses resizing by QPlatformWindow::initialGeometry().
+    // It also indicates that width/height=0 is acceptable (for example, for
+    // the QRollEffect widget) and is thus not cleared in setGeometry().
+    // An alternative approach might be using -1,-1 as a default size.
+    bool resizeAutomatic;
     Qt::ScreenOrientation contentOrientation;
     qreal opacity;
     QRegion mask;
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index 0e2dfed9ab..972cf387ff 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -143,9 +143,11 @@ ARCH_HASWELL_SOURCES += painting/qdrawhelper_avx2.cpp
 
 NEON_SOURCES += painting/qdrawhelper_neon.cpp painting/qimagescale_neon.cpp
 NEON_HEADERS += painting/qdrawhelper_neon_p.h
-NEON_ASM += ../3rdparty/pixman/pixman-arm-neon-asm.S painting/qdrawhelper_neon_asm.S
 !uikit:!win32:contains(QT_ARCH, "arm"): CONFIG += no_clang_integrated_as
-!uikit:!win32:!contains(QT_ARCH, "arm64"): DEFINES += ENABLE_PIXMAN_DRAWHELPERS
+!uikit:!win32:!integrity:!contains(QT_ARCH, "arm64") {
+    NEON_ASM += ../3rdparty/pixman/pixman-arm-neon-asm.S painting/qdrawhelper_neon_asm.S
+    DEFINES += ENABLE_PIXMAN_DRAWHELPERS
+}
 
 MIPS_DSP_SOURCES += painting/qdrawhelper_mips_dsp.cpp
 MIPS_DSP_HEADERS += painting/qdrawhelper_mips_dsp_p.h painting/qt_mips_asm_dsp_p.h
diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp
index 3fcbcfd053..8196a87b24 100644
--- a/src/gui/painting/qdrawhelper_neon.cpp
+++ b/src/gui/painting/qdrawhelper_neon.cpp
@@ -50,7 +50,18 @@ QT_BEGIN_NAMESPACE
 void qt_memfill32(quint32 *dest, quint32 value, qsizetype count)
 {
     const int epilogueSize = count % 16;
-#if !defined(Q_PROCESSOR_ARM_64)
+#if defined(Q_CC_GHS) || defined(Q_CC_MSVC)
+    // inline assembler free version:
+    if (count >= 16) {
+        quint32 *const neonEnd = dest + count - epilogueSize;
+        const uint32x4_t valueVector1 = vdupq_n_u32(value);
+        const uint32x4x4_t valueVector4 = { valueVector1, valueVector1, valueVector1, valueVector1 };
+        do {
+            vst4q_u32(dest, valueVector4);
+            dest += 16;
+        } while (dest != neonEnd);
+    }
+#elif !defined(Q_PROCESSOR_ARM_64)
     if (count >= 16) {
         quint32 *const neonEnd = dest + count - epilogueSize;
         register uint32x4_t valueVector1 asm ("q0") = vdupq_n_u32(value);
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index a83ef95c79..22c93d7ec2 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -1754,7 +1754,7 @@ int QTextEngine::shapeTextWithHarfbuzzNG(const QScriptItem &si,
 
 #ifdef Q_OS_DARWIN
         if (actualFontEngine->type() == QFontEngine::Mac) {
-            if (actualFontEngine->fontDef.stretch != 100) {
+            if (actualFontEngine->fontDef.stretch != 100 && actualFontEngine->fontDef.stretch != QFont::AnyStretch) {
                 QFixed stretch = QFixed(int(actualFontEngine->fontDef.stretch)) / QFixed(100);
                 for (uint i = 0; i < num_glyphs; ++i)
                     g.advances[i] *= stretch;
diff --git a/src/network/access/qabstractnetworkcache.cpp b/src/network/access/qabstractnetworkcache.cpp
index 0b94dff61e..4e217294c4 100644
--- a/src/network/access/qabstractnetworkcache.cpp
+++ b/src/network/access/qabstractnetworkcache.cpp
@@ -191,8 +191,8 @@ bool QNetworkCacheMetaData::isValid() const
     Some cache implementations can keep these cache items in memory for performance reasons,
     but for security reasons they should not be written to disk.
 
-    Specifically with http, documents marked with Pragma: no-cache, or have a Cache-control set to
-    no-store or no-cache or any https document that doesn't have "Cache-control: public" set will
+    Specifically with http, documents with Cache-control set to no-store or any
+    https document that doesn't have "Cache-control: public" set will
     set the saveToDisk to false.
 
     \sa setSaveToDisk()
diff --git a/src/network/access/qhttp2protocolhandler.cpp b/src/network/access/qhttp2protocolhandler.cpp
index d5221a4934..35aee6e3e1 100644
--- a/src/network/access/qhttp2protocolhandler.cpp
+++ b/src/network/access/qhttp2protocolhandler.cpp
@@ -198,7 +198,7 @@ QHttp2ProtocolHandler::QHttp2ProtocolHandler(QHttpNetworkConnectionChannel *chan
         }
     }
 
-    if (!channel->ssl) {
+    if (!channel->ssl && m_connection->connectionType() != QHttpNetworkConnection::ConnectionTypeHTTP2Direct) {
         // We upgraded from HTTP/1.1 to HTTP/2. channel->request was already sent
         // as HTTP/1.1 request. The response with status code 101 triggered
         // protocol switch and now we are waiting for the real response, sent
diff --git a/src/network/access/qnetworkaccesscachebackend.cpp b/src/network/access/qnetworkaccesscachebackend.cpp
index 0c9a88596d..22fdc5bb0b 100644
--- a/src/network/access/qnetworkaccesscachebackend.cpp
+++ b/src/network/access/qnetworkaccesscachebackend.cpp
@@ -87,15 +87,16 @@ bool QNetworkAccessCacheBackend::sendCacheContents()
     setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, attributes.value(QNetworkRequest::HttpReasonPhraseAttribute));
 
     // set the raw headers
-    QNetworkCacheMetaData::RawHeaderList rawHeaders = item.rawHeaders();
-    QNetworkCacheMetaData::RawHeaderList::ConstIterator it = rawHeaders.constBegin(),
-                                                       end = rawHeaders.constEnd();
-    for ( ; it != end; ++it) {
-        if (it->first.toLower() == "cache-control" &&
-            it->second.toLower().contains("must-revalidate")) {
-            return false;
+    const QNetworkCacheMetaData::RawHeaderList rawHeaders = item.rawHeaders();
+    for (const auto &header : rawHeaders) {
+        if (header.first.toLower() == "cache-control") {
+            const QByteArray cacheControlValue = header.second.toLower();
+            if (cacheControlValue.contains("must-revalidate")
+                || cacheControlValue.contains("no-cache")) {
+                return false;
+            }
         }
-        setRawHeader(it->first, it->second);
+        setRawHeader(header.first, header.second);
     }
 
     // handle a possible redirect
diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
index 9ae94afc5a..f801ef0c88 100644
--- a/src/network/access/qnetworkreplyhttpimpl.cpp
+++ b/src/network/access/qnetworkreplyhttpimpl.cpp
@@ -524,6 +524,8 @@ bool QNetworkReplyHttpImplPrivate::loadFromCacheIfAllowed(QHttpNetworkRequest &h
         QHash<QByteArray, QByteArray> cacheControl = parseHttpOptionHeader(it->second);
         if (cacheControl.contains("must-revalidate"))
             return false;
+        if (cacheControl.contains("no-cache"))
+            return false;
     }
 
     QDateTime currentDateTime = QDateTime::currentDateTimeUtc();
@@ -1731,18 +1733,8 @@ QNetworkCacheMetaData QNetworkReplyHttpImplPrivate::fetchCacheMetaData(const QNe
     if (httpRequest.operation() == QHttpNetworkRequest::Get) {
 
         canDiskCache = true;
-        // 14.32
-        // HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client
-        // had sent "Cache-Control: no-cache".
-        it = cacheHeaders.findRawHeader("pragma");
-        if (it != cacheHeaders.rawHeaders.constEnd()
-            && it->second == "no-cache")
-            canDiskCache = false;
-
         // HTTP/1.1. Check the Cache-Control header
-        if (cacheControl.contains("no-cache"))
-            canDiskCache = false;
-        else if (cacheControl.contains("no-store"))
+        if (cacheControl.contains("no-store"))
             canDiskCache = false;
 
     // responses to POST might be cacheable
diff --git a/src/network/access/qnetworkreplywasmimpl.cpp b/src/network/access/qnetworkreplywasmimpl.cpp
index f347cc0479..bb6ef07741 100644
--- a/src/network/access/qnetworkreplywasmimpl.cpp
+++ b/src/network/access/qnetworkreplywasmimpl.cpp
@@ -117,7 +117,7 @@ static void q_loadCallback(val event)
             val blob = xhr["response"];
 
             val reader = val::global("FileReader").new_();
-            reader.set("onload", val::module_property("QNetworkReplyWasmImplPrivate_readBinary"));
+            reader.set("onload", val::module_property("qt_QNetworkReplyWasmImplPrivate_readBinary"));
             reader.set("data-handler", xhr["data-handler"]);
 
             reader.call<void>("readAsArrayBuffer", blob);
@@ -174,12 +174,12 @@ static void q_readBinary(val event)
     QCoreApplication::processEvents();
 }
 
-EMSCRIPTEN_BINDINGS(network_module) {
-    function("QNetworkReplyWasmImplPrivate_requestErrorCallback", q_requestErrorCallback);
-    function("QNetworkReplyWasmImplPrivate_progressCallback", q_progressCallback);
-    function("QNetworkReplyWasmImplPrivate_loadCallback", q_loadCallback);
-    function("QNetworkReplyWasmImplPrivate_responseHeadersCallback", q_responseHeadersCallback);
-    function("QNetworkReplyWasmImplPrivate_readBinary", q_readBinary);
+EMSCRIPTEN_BINDINGS(qtNetworkModule) {
+    function("qt_QNetworkReplyWasmImplPrivate_requestErrorCallback", q_requestErrorCallback);
+    function("qt_QNetworkReplyWasmImplPrivate_progressCallback", q_progressCallback);
+    function("qt_QNetworkReplyWasmImplPrivate_loadCallback", q_loadCallback);
+    function("qt_QNetworkReplyWasmImplPrivate_responseHeadersCallback", q_responseHeadersCallback);
+    function("qt_QNetworkReplyWasmImplPrivate_readBinary", q_readBinary);
 }
 
 QNetworkReplyWasmImplPrivate::QNetworkReplyWasmImplPrivate()
@@ -332,10 +332,10 @@ void QNetworkReplyWasmImplPrivate::doSendRequest()
 
     m_xhr.call<void>("open", verb, request.url().toString().toStdString());
 
-    m_xhr.set("onerror", val::module_property("QNetworkReplyWasmImplPrivate_requestErrorCallback"));
-    m_xhr.set("onload", val::module_property("QNetworkReplyWasmImplPrivate_loadCallback"));
-    m_xhr.set("onprogress", val::module_property("QNetworkReplyWasmImplPrivate_progressCallback"));
-    m_xhr.set("onreadystatechange", val::module_property("QNetworkReplyWasmImplPrivate_responseHeadersCallback"));
+    m_xhr.set("onerror", val::module_property("qt_QNetworkReplyWasmImplPrivate_requestErrorCallback"));
+    m_xhr.set("onload", val::module_property("qt_QNetworkReplyWasmImplPrivate_loadCallback"));
+    m_xhr.set("onprogress", val::module_property("qt_QNetworkReplyWasmImplPrivate_progressCallback"));
+    m_xhr.set("onreadystatechange", val::module_property("qt_QNetworkReplyWasmImplPrivate_responseHeadersCallback"));
 
     m_xhr.set("data-handler", val(quintptr(reinterpret_cast<void *>(this))));
 
diff --git a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
index 7957cd130a..25e7c6df72 100644
--- a/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
+++ b/src/platformsupport/fontdatabases/mac/qfontengine_coretext.mm
@@ -491,9 +491,11 @@ void QCoreTextFontEngine::draw(CGContextRef ctx, qreal x, qreal y, const QTextIt
 
 struct ConvertPathInfo
 {
-    ConvertPathInfo(QPainterPath *newPath, const QPointF &newPos) : path(newPath), pos(newPos) {}
+    ConvertPathInfo(QPainterPath *newPath, const QPointF &newPos, qreal newStretch = 1.0) :
+        path(newPath), pos(newPos), stretch(newStretch) {}
     QPainterPath *path;
     QPointF pos;
+    qreal stretch;
 };
 
 static void convertCGPathToQPainterPath(void *info, const CGPathElement *element)
@@ -501,25 +503,25 @@ static void convertCGPathToQPainterPath(void *info, const CGPathElement *element
     ConvertPathInfo *myInfo = static_cast<ConvertPathInfo *>(info);
     switch(element->type) {
         case kCGPathElementMoveToPoint:
-            myInfo->path->moveTo(element->points[0].x + myInfo->pos.x(),
+            myInfo->path->moveTo((element->points[0].x * myInfo->stretch) + myInfo->pos.x(),
                                  element->points[0].y + myInfo->pos.y());
             break;
         case kCGPathElementAddLineToPoint:
-            myInfo->path->lineTo(element->points[0].x + myInfo->pos.x(),
+            myInfo->path->lineTo((element->points[0].x * myInfo->stretch) + myInfo->pos.x(),
                                  element->points[0].y + myInfo->pos.y());
             break;
         case kCGPathElementAddQuadCurveToPoint:
-            myInfo->path->quadTo(element->points[0].x + myInfo->pos.x(),
+            myInfo->path->quadTo((element->points[0].x * myInfo->stretch) + myInfo->pos.x(),
                                  element->points[0].y + myInfo->pos.y(),
-                                 element->points[1].x + myInfo->pos.x(),
+                                 (element->points[1].x * myInfo->stretch) + myInfo->pos.x(),
                                  element->points[1].y + myInfo->pos.y());
             break;
         case kCGPathElementAddCurveToPoint:
-            myInfo->path->cubicTo(element->points[0].x + myInfo->pos.x(),
+            myInfo->path->cubicTo((element->points[0].x * myInfo->stretch) + myInfo->pos.x(),
                                   element->points[0].y + myInfo->pos.y(),
-                                  element->points[1].x + myInfo->pos.x(),
+                                  (element->points[1].x * myInfo->stretch) + myInfo->pos.x(),
                                   element->points[1].y + myInfo->pos.y(),
-                                  element->points[2].x + myInfo->pos.x(),
+                                  (element->points[2].x * myInfo->stretch) + myInfo->pos.x(),
                                   element->points[2].y + myInfo->pos.y());
             break;
         case kCGPathElementCloseSubpath:
@@ -543,9 +545,10 @@ void QCoreTextFontEngine::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *position
     if (synthesisFlags & QFontEngine::SynthesizedItalic)
         cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, -SYNTHETIC_ITALIC_SKEW, 1, 0, 0));
 
+    qreal stretch = fontDef.stretch ? qreal(fontDef.stretch) / 100 : 1.0;
     for (int i = 0; i < nGlyphs; ++i) {
         QCFType<CGPathRef> cgpath = CTFontCreatePathForGlyph(ctfont, glyphs[i], &cgMatrix);
-        ConvertPathInfo info(path, positions[i].toPointF());
+        ConvertPathInfo info(path, positions[i].toPointF(), stretch);
         CGPathApply(cgpath, &info, convertCGPathToQPainterPath);
     }
 }
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
index d1d11883c1..2ae378c558 100644
--- a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
+++ b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
@@ -702,8 +702,8 @@ static inline double qt_fixed_to_double(const FIXED &p) {
     return ((p.value << 16) + p.fract) / 65536.0;
 }
 
-static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale) {
-    return QPointF(qt_fixed_to_double(pt.x) * scale, -qt_fixed_to_double(pt.y) * scale);
+static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale, qreal stretch) {
+    return QPointF(qt_fixed_to_double(pt.x) * scale * stretch, -qt_fixed_to_double(pt.y) * scale);
 }
 
 #ifndef GGO_UNHINTED
@@ -711,7 +711,8 @@ static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale) {
 #endif
 
 static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
-                           QPainterPath *path, bool ttf, glyph_metrics_t *metric = 0, qreal scale = 1)
+                           QPainterPath *path, bool ttf, glyph_metrics_t *metric = 0,
+                           qreal scale = 1.0, qreal stretch = 1.0)
 {
     MAT2 mat;
     mat.eM11.value = mat.eM22.value = 1;
@@ -761,7 +762,7 @@ static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
     while (headerOffset < bufferSize) {
         const TTPOLYGONHEADER *ttph = reinterpret_cast<const TTPOLYGONHEADER *>(dataBuffer + headerOffset);
 
-        QPointF lastPoint(qt_to_qpointf(ttph->pfxStart, scale));
+        QPointF lastPoint(qt_to_qpointf(ttph->pfxStart, scale, stretch));
         path->moveTo(lastPoint + oset);
         offset += sizeof(TTPOLYGONHEADER);
         while (offset < headerOffset + ttph->cb) {
@@ -769,7 +770,7 @@ static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
             switch (curve->wType) {
             case TT_PRIM_LINE: {
                 for (int i=0; i<curve->cpfx; ++i) {
-                    QPointF p = qt_to_qpointf(curve->apfx[i], scale) + oset;
+                    QPointF p = qt_to_qpointf(curve->apfx[i], scale, stretch) + oset;
                     path->lineTo(p);
                 }
                 break;
@@ -779,8 +780,8 @@ static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
                 QPointF prev(elm.x, elm.y);
                 QPointF endPoint;
                 for (int i=0; i<curve->cpfx - 1; ++i) {
-                    QPointF p1 = qt_to_qpointf(curve->apfx[i], scale) + oset;
-                    QPointF p2 = qt_to_qpointf(curve->apfx[i+1], scale) + oset;
+                    QPointF p1 = qt_to_qpointf(curve->apfx[i], scale, stretch) + oset;
+                    QPointF p2 = qt_to_qpointf(curve->apfx[i+1], scale, stretch) + oset;
                     if (i < curve->cpfx - 2) {
                         endPoint = QPointF((p1.x() + p2.x()) / 2, (p1.y() + p2.y()) / 2);
                     } else {
@@ -795,9 +796,9 @@ static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc,
             }
             case TT_PRIM_CSPLINE: {
                 for (int i=0; i<curve->cpfx; ) {
-                    QPointF p2 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
-                    QPointF p3 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
-                    QPointF p4 = qt_to_qpointf(curve->apfx[i++], scale) + oset;
+                    QPointF p2 = qt_to_qpointf(curve->apfx[i++], scale, stretch) + oset;
+                    QPointF p3 = qt_to_qpointf(curve->apfx[i++], scale, stretch) + oset;
+                    QPointF p4 = qt_to_qpointf(curve->apfx[i++], scale, stretch) + oset;
                     path->cubicTo(p2, p3, p4);
                 }
                 break;
@@ -829,9 +830,11 @@ void QWindowsFontEngine::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions
     HDC hdc = m_fontEngineData->hdc;
     HGDIOBJ oldfont = SelectObject(hdc, hf);
 
+    qreal scale = qreal(fontDef.pixelSize) / unitsPerEm;
+    qreal stretch = fontDef.stretch ? qreal(fontDef.stretch) / 100 : 1.0;
     for(int i = 0; i < nglyphs; ++i) {
         if (!addGlyphToPath(glyphs[i], positions[i], hdc, path, ttf, /*metric*/0,
-                            qreal(fontDef.pixelSize) / unitsPerEm)) {
+                            scale, stretch)) {
             // Some windows fonts, like "Modern", are vector stroke
             // fonts, which are reported as TMPF_VECTOR but do not
             // support GetGlyphOutline, and thus we set this bit so
diff --git a/src/platformsupport/input/tslib/qtslib.cpp b/src/platformsupport/input/tslib/qtslib.cpp
index 20a9824969..f8fdc151ec 100644
--- a/src/platformsupport/input/tslib/qtslib.cpp
+++ b/src/platformsupport/input/tslib/qtslib.cpp
@@ -83,7 +83,7 @@ QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
     if (fd >= 0) {
         qCDebug(qLcTsLib) << "tslib device is" << device;
         m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
-        connect(m_notify, SIGNAL(activated(int)), this, SLOT(readMouseData()));
+        connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
     } else {
         qErrnoWarning(errno, "tslib: Cannot open input device %s", device.constData());
     }
@@ -127,7 +127,9 @@ void QTsLibMouseHandler::readMouseData()
         }
         QPoint pos(x, y);
 
-        QWindowSystemInterface::handleMouseEvent(0, pos, pos, pressed ? Qt::LeftButton : Qt::NoButton);
+        QWindowSystemInterface::handleMouseEvent(nullptr, pos, pos,
+                                                 pressed ? Qt::LeftButton : Qt::NoButton,
+                                                 Qt::NoButton, QEvent::None);
 
         m_x = x;
         m_y = y;
diff --git a/src/plugins/platforms/cocoa/qcocoamenu.mm b/src/plugins/platforms/cocoa/qcocoamenu.mm
index 7b96fca3f9..f34988721d 100644
--- a/src/plugins/platforms/cocoa/qcocoamenu.mm
+++ b/src/plugins/platforms/cocoa/qcocoamenu.mm
@@ -250,6 +250,9 @@ void QCocoaMenu::syncMenuItem_helper(QPlatformMenuItem *menuItem, bool menubarUp
             if (wasMerged) {
                 oldItem.enabled = NO;
                 oldItem.hidden = YES;
+                oldItem.keyEquivalent = @"";
+                oldItem.keyEquivalentModifierMask = NSEventModifierFlagCommand;
+
             } else {
                 [m_nativeMenu removeItem:oldItem];
             }
diff --git a/src/plugins/platforms/cocoa/qcocoasystemsettings.mm b/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
index aef2c6cf48..9b6dc94d33 100644
--- a/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
+++ b/src/plugins/platforms/cocoa/qcocoasystemsettings.mm
@@ -158,10 +158,13 @@ QHash<QPlatformTheme::Palette, QPalette*> qt_mac_createRolePalettes()
             pal.setColor(QPalette::Inactive, QPalette::WindowText, qc);
             pal.setColor(QPalette::Active, QPalette::HighlightedText, qc);
             pal.setColor(QPalette::Inactive, QPalette::HighlightedText, qc);
+            pal.setColor(QPalette::Active, QPalette::ButtonText, qc);
+            pal.setColor(QPalette::Inactive, QPalette::ButtonText, qc);
             qc = qt_mac_toQColor(mac_widget_colors[i].inactive);
             pal.setColor(QPalette::Disabled, QPalette::Text, qc);
             pal.setColor(QPalette::Disabled, QPalette::WindowText, qc);
             pal.setColor(QPalette::Disabled, QPalette::HighlightedText, qc);
+            pal.setColor(QPalette::Disabled, QPalette::ButtonText, qc);
         }
         if (mac_widget_colors[i].paletteRole == QPlatformTheme::MenuPalette
                 || mac_widget_colors[i].paletteRole == QPlatformTheme::MenuBarPalette) {
diff --git a/src/plugins/platforms/wasm/qwasmclipboard.cpp b/src/plugins/platforms/wasm/qwasmclipboard.cpp
index 7a7b253b19..d4a1e4dd50 100644
--- a/src/plugins/platforms/wasm/qwasmclipboard.cpp
+++ b/src/plugins/platforms/wasm/qwasmclipboard.cpp
@@ -76,8 +76,8 @@ static void qClipboardCutTo(val event)
     }
 
     val module = val::global("Module");
-    val clipdata = module.call<val>("getClipboardData");
-    val clipFormat = module.call<val>("getClipboardFormat");
+    val clipdata = module.call<val>("qtGetClipboardData");
+    val clipFormat = module.call<val>("qtGetClipboardFormat");
     event["clipboardData"].call<void>("setData", clipFormat, clipdata);
     event.call<void>("preventDefault");
 }
@@ -91,8 +91,8 @@ static void qClipboardCopyTo(val event)
     }
 
     val module = val::global("Module");
-    val clipdata = module.call<val>("getClipboardData");
-    val clipFormat = module.call<val>("getClipboardFormat");
+    val clipdata = module.call<val>("qtGetClipboardData");
+    val clipFormat = module.call<val>("qtGetClipboardFormat");
     event["clipboardData"].call<void>("setData", clipFormat, clipdata);
     event.call<void>("preventDefault");
 }
@@ -101,7 +101,7 @@ static void qClipboardPasteTo(val event)
 {
     bool hasClipboardApi = QWasmIntegration::get()->getWasmClipboard()->hasClipboardApi;
     val clipdata = hasClipboardApi ?
-        val::global("Module").call<val>("getClipboardData") :
+        val::global("Module").call<val>("qtGetClipboardData") :
         event["clipboardData"].call<val>("getData", std::string("text"));
 
     const std::string data = clipdata.as<std::string>();
@@ -113,14 +113,14 @@ static void qClipboardPasteTo(val event)
     }
 }
 
-EMSCRIPTEN_BINDINGS(clipboard_module) {
-    function("getClipboardData", &getClipboardData);
-    function("getClipboardFormat", &getClipboardFormat);
-    function("pasteClipboardData", &pasteClipboardData);
-    function("qClipboardPromiseResolve", &qClipboardPromiseResolve);
-    function("qClipboardCutTo", &qClipboardCutTo);
-    function("qClipboardCopyTo", &qClipboardCopyTo);
-    function("qClipboardPasteTo", &qClipboardPasteTo);
+EMSCRIPTEN_BINDINGS(qtClipboardModule) {
+    function("qtGetClipboardData", &getClipboardData);
+    function("qtGetClipboardFormat", &getClipboardFormat);
+    function("qtPasteClipboardData", &pasteClipboardData);
+    function("qtClipboardPromiseResolve", &qClipboardPromiseResolve);
+    function("qtClipboardCutTo", &qClipboardCutTo);
+    function("qtClipboardCopyTo", &qClipboardCopyTo);
+    function("qtClipboardPasteTo", &qClipboardPasteTo);
 }
 
 QWasmClipboard::QWasmClipboard()
@@ -200,11 +200,11 @@ void QWasmClipboard::installEventHandlers(const QString &canvasId)
     // Fallback path for browsers which do not support direct clipboard access
     val canvas = val::global(canvasId.toUtf8().constData());
     canvas.call<void>("addEventListener", std::string("cut"),
-                      val::module_property("qClipboardCutTo"));
+                      val::module_property("qtClipboardCutTo"));
     canvas.call<void>("addEventListener", std::string("copy"),
-                      val::module_property("qClipboardCopyTo"));
+                      val::module_property("qtClipboardCopyTo"));
     canvas.call<void>("addEventListener", std::string("paste"),
-                      val::module_property("qClipboardPasteTo"));
+                      val::module_property("qtClipboardPasteTo"));
 }
 
 void QWasmClipboard::readTextFromClipboard()
@@ -212,7 +212,7 @@ void QWasmClipboard::readTextFromClipboard()
     if (QWasmIntegration::get()->getWasmClipboard()->hasClipboardApi) {
         val navigator = val::global("navigator");
         val textPromise = navigator["clipboard"].call<val>("readText");
-        val readTextResolve = val::global("Module")["qClipboardPromiseResolve"];
+        val readTextResolve = val::global("Module")["qtClipboardPromiseResolve"];
         textPromise.call<val>("then", readTextResolve);
     }
 }
@@ -221,8 +221,8 @@ void QWasmClipboard::writeTextToClipboard()
 {
     if (QWasmIntegration::get()->getWasmClipboard()->hasClipboardApi) {
         val module = val::global("Module");
-        val txt = module.call<val>("getClipboardData");
-        val format =  module.call<val>("getClipboardFormat");
+        val txt = module.call<val>("qtGetClipboardData");
+        val format =  module.call<val>("qtGetClipboardFormat");
         val navigator = val::global("navigator");
         navigator["clipboard"].call<void>("writeText", txt.as<std::string>());
     }
diff --git a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
index 63a764e741..1c4c8cb7e8 100644
--- a/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
+++ b/src/plugins/platforms/wasm/qwasmeventtranslator.cpp
@@ -316,8 +316,8 @@ static void mouseWheelEvent(emscripten::val event) {
     }
 }
 
-EMSCRIPTEN_BINDINGS(mouse_module) {
-    function("mouseWheelEvent", &mouseWheelEvent);
+EMSCRIPTEN_BINDINGS(qtMouseModule) {
+    function("qtMouseWheelEvent", &mouseWheelEvent);
 }
 
 QWasmEventTranslator::QWasmEventTranslator(QWasmScreen *screen)
@@ -358,7 +358,7 @@ void QWasmEventTranslator::initEventHandlers()
 
             emscripten::val::global(canvasId).call<void>("addEventListener",
                                                          std::string("wheel"),
-                                                         val::module_property("mouseWheelEvent"));
+                                                         val::module_property("qtMouseWheelEvent"));
         }
     }
 
diff --git a/src/plugins/platforms/wasm/qwasmintegration.cpp b/src/plugins/platforms/wasm/qwasmintegration.cpp
index 486f4cb2b3..3b4800a787 100644
--- a/src/plugins/platforms/wasm/qwasmintegration.cpp
+++ b/src/plugins/platforms/wasm/qwasmintegration.cpp
@@ -56,14 +56,14 @@
 using namespace emscripten;
 QT_BEGIN_NAMESPACE
 
-void browserBeforeUnload(emscripten::val)
+static void browserBeforeUnload(emscripten::val)
 {
     QWasmIntegration::QWasmBrowserExit();
 }
 
-EMSCRIPTEN_BINDINGS(my_module)
+EMSCRIPTEN_BINDINGS(qtQWasmIntegraton)
 {
-    function("browserBeforeUnload", &browserBeforeUnload);
+    function("qtBrowserBeforeUnload", &browserBeforeUnload);
 }
 
 QWasmIntegration *QWasmIntegration::s_instance;
@@ -92,7 +92,7 @@ QWasmIntegration::QWasmIntegration()
         addScreen(canvasId);
     }
 
-    emscripten::val::global("window").set("onbeforeunload", val::module_property("browserBeforeUnload"));
+    emscripten::val::global("window").set("onbeforeunload", val::module_property("qtBrowserBeforeUnload"));
 }
 
 QWasmIntegration::~QWasmIntegration()
diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index 07fd2916c2..338e594c7b 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -1132,7 +1132,8 @@ QWindowCreationContext::QWindowCreationContext(const QWindow *w,
     // TODO: No concept of WA_wasMoved yet that would indicate a
     // CW_USEDEFAULT unless set. For now, assume that 0,0 means 'default'
     // for toplevels.
-    if (geometry.isValid()) {
+    if (geometry.isValid()
+        || !qt_window_private(const_cast<QWindow *>(w))->resizeAutomatic) {
         frameX = geometry.x();
         frameY = geometry.y();
         const QMargins effectiveMargins = margins + customMargins;
diff --git a/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp b/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp
index 3377eeaae9..8d958aae94 100644
--- a/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp
+++ b/src/plugins/platforms/xcb/nativepainting/qpaintengine_x11.cpp
@@ -2645,6 +2645,13 @@ bool QXRenderGlyphCache::addGlyphs(const QTextItemInt &ti,
         if (glyph == 0 || glyph->format != glyphFormat())
             return false;
 
+        if (glyph->format == QFontEngine::Format_Mono) {
+            // Must convert bitmap from msb to lsb bit order
+            QImage img(glyph->data, glyph->width, glyph->height, QImage::Format_Mono);
+            img = img.convertToFormat(QImage::Format_MonoLSB);
+            memcpy(glyph->data, img.constBits(), static_cast<size_t>(img.sizeInBytes()));
+        }
+
         set->setGlyph(glyphs[i], spp, glyph);
         Q_ASSERT(glyph->data || glyph->width == 0 || glyph->height == 0);
 
diff --git a/src/plugins/sqldrivers/configure.pri b/src/plugins/sqldrivers/configure.pri
index 84c8114c7b..be6a930e52 100644
--- a/src/plugins/sqldrivers/configure.pri
+++ b/src/plugins/sqldrivers/configure.pri
@@ -2,7 +2,7 @@
 
 defineTest(qtConfLibrary_psqlConfig) {
     pg_config = $$config.input.psql_config
-    isEmpty(pg_config): \
+    isEmpty(pg_config):!cross_compile: \
         pg_config = $$qtConfFindInPath("pg_config")
     !win32:!isEmpty(pg_config) {
         qtRunLoggedCommand("$$pg_config --libdir", libdir)|return(false)
@@ -33,7 +33,7 @@ defineTest(qtConfLibrary_psqlEnv) {
 
 defineTest(qtConfLibrary_mysqlConfig) {
     mysql_config = $$config.input.mysql_config
-    isEmpty(mysql_config): \
+    isEmpty(mysql_config):!cross_compile: \
         mysql_config = $$qtConfFindInPath("mysql_config")
     !isEmpty(mysql_config) {
         qtRunLoggedCommand("$$mysql_config --version", version)|return(false)
diff --git a/src/plugins/styles/mac/qmacstyle_mac.mm b/src/plugins/styles/mac/qmacstyle_mac.mm
index 9602340f9d..5c2a839781 100644
--- a/src/plugins/styles/mac/qmacstyle_mac.mm
+++ b/src/plugins/styles/mac/qmacstyle_mac.mm
@@ -356,15 +356,44 @@ static const qreal titleBarButtonSpacing = 8;
 // active: window is active
 // selected: tab is selected
 // hovered: tab is hovered
-static const QColor tabBarTabBackgroundActive(190, 190, 190);
-static const QColor tabBarTabBackgroundActiveHovered(178, 178, 178);
-static const QColor tabBarTabBackgroundActiveSelected(211, 211, 211);
-static const QColor tabBarTabBackground(227, 227, 227);
-static const QColor tabBarTabBackgroundSelected(246, 246, 246);
-static const QColor tabBarTabLineActive(160, 160, 160);
-static const QColor tabBarTabLineActiveHovered(150, 150, 150);
-static const QColor tabBarTabLine(210, 210, 210);
-static const QColor tabBarTabLineSelected(189, 189, 189);
+bool isDarkMode() { return qt_mac_applicationIsInDarkMode(); }
+
+static const QColor lightTabBarTabBackgroundActive(190, 190, 190);
+static const QColor darkTabBarTabBackgroundActive(38, 38, 38);
+static const QColor tabBarTabBackgroundActive() { return isDarkMode() ? darkTabBarTabBackgroundActive : lightTabBarTabBackgroundActive; }
+
+static const QColor lightTabBarTabBackgroundActiveHovered(178, 178, 178);
+static const QColor darkTabBarTabBackgroundActiveHovered(32, 32, 32);
+static const QColor tabBarTabBackgroundActiveHovered() { return isDarkMode() ? darkTabBarTabBackgroundActiveHovered : lightTabBarTabBackgroundActiveHovered; }
+
+static const QColor lightTabBarTabBackgroundActiveSelected(211, 211, 211);
+static const QColor darkTabBarTabBackgroundActiveSelected(52, 52, 52);
+static const QColor tabBarTabBackgroundActiveSelected() { return isDarkMode() ? darkTabBarTabBackgroundActiveSelected : lightTabBarTabBackgroundActiveSelected; }
+
+static const QColor lightTabBarTabBackground(227, 227, 227);
+static const QColor darkTabBarTabBackground(38, 38, 38);
+static const QColor tabBarTabBackground() { return isDarkMode() ? darkTabBarTabBackground : lightTabBarTabBackground; }
+
+static const QColor lightTabBarTabBackgroundSelected(246, 246, 246);
+static const QColor darkTabBarTabBackgroundSelected(52, 52, 52);
+static const QColor tabBarTabBackgroundSelected() { return isDarkMode() ? darkTabBarTabBackgroundSelected : lightTabBarTabBackgroundSelected; }
+
+static const QColor lightTabBarTabLineActive(160, 160, 160);
+static const QColor darkTabBarTabLineActive(90, 90, 90);
+static const QColor tabBarTabLineActive() { return isDarkMode() ? darkTabBarTabLineActive : lightTabBarTabLineActive; }
+
+static const QColor lightTabBarTabLineActiveHovered(150, 150, 150);
+static const QColor darkTabBarTabLineActiveHovered(90, 90, 90);
+static const QColor tabBarTabLineActiveHovered() { return isDarkMode() ? darkTabBarTabLineActiveHovered : lightTabBarTabLineActiveHovered; }
+
+static const QColor lightTabBarTabLine(210, 210, 210);
+static const QColor darkTabBarTabLine(90, 90, 90);
+static const QColor tabBarTabLine() { return isDarkMode() ? darkTabBarTabLine : lightTabBarTabLine; }
+
+static const QColor lightTabBarTabLineSelected(189, 189, 189);
+static const QColor darkTabBarTabLineSelected(90, 90, 90);
+static const QColor tabBarTabLineSelected() { return isDarkMode() ? darkTabBarTabLineSelected : lightTabBarTabLineSelected; }
+
 static const QColor tabBarCloseButtonBackgroundHovered(162, 162, 162);
 static const QColor tabBarCloseButtonBackgroundPressed(153, 153, 153);
 static const QColor tabBarCloseButtonBackgroundSelectedHovered(192, 192, 192);
@@ -561,7 +590,7 @@ void drawTabShape(QPainter *p, const QStyleOptionTab *tabOpt, bool isUnified, in
     const bool active = (tabOpt->state & QStyle::State_Active);
     const bool selected = (tabOpt->state & QStyle::State_Selected);
 
-    const QRect bodyRect(1, 1, width - 2, height - 2);
+    const QRect bodyRect(1, 2, width - 2, height - 3);
     const QRect topLineRect(1, 0, width - 2, 1);
     const QRect bottomLineRect(1, height - 1, width - 2, 1);
     if (selected) {
@@ -572,27 +601,27 @@ void drawTabShape(QPainter *p, const QStyleOptionTab *tabOpt, bool isUnified, in
             p->fillRect(tabRect, QColor(Qt::transparent));
             p->restore();
         } else if (active) {
-            p->fillRect(bodyRect, tabBarTabBackgroundActiveSelected);
+            p->fillRect(bodyRect, tabBarTabBackgroundActiveSelected());
             // top line
-            p->fillRect(topLineRect, tabBarTabLineSelected);
+            p->fillRect(topLineRect, tabBarTabLineSelected());
         } else {
-            p->fillRect(bodyRect, tabBarTabBackgroundSelected);
+            p->fillRect(bodyRect, tabBarTabBackgroundSelected());
         }
     } else {
         // when the mouse is over non selected tabs they get a new color
         const bool hover = (tabOpt->state & QStyle::State_MouseOver);
         if (hover) {
             // fill body
-            p->fillRect(bodyRect, tabBarTabBackgroundActiveHovered);
+            p->fillRect(bodyRect, tabBarTabBackgroundActiveHovered());
             // bottom line
-            p->fillRect(bottomLineRect, tabBarTabLineActiveHovered);
+            p->fillRect(bottomLineRect, isDarkMode() ? QColor(Qt::black) : tabBarTabLineActiveHovered());
         }
     }
 
     // separator lines between tabs
     const QRect leftLineRect(0, 1, 1, height - 2);
     const QRect rightLineRect(width - 1, 1, 1, height - 2);
-    const QColor separatorLineColor = active ? tabBarTabLineActive : tabBarTabLine;
+    const QColor separatorLineColor = active ? tabBarTabLineActive() : tabBarTabLine();
     p->fillRect(leftLineRect, separatorLineColor);
     p->fillRect(rightLineRect, separatorLineColor);
 }
@@ -612,17 +641,20 @@ void drawTabBase(QPainter *p, const QStyleOptionTabBarBase *tbb, const QWidget *
 
     // fill body
     const QRect bodyRect(0, 1, width, height - 1);
-    const QColor bodyColor = active ? tabBarTabBackgroundActive : tabBarTabBackground;
+    const QColor bodyColor = active ? tabBarTabBackgroundActive() : tabBarTabBackground();
     p->fillRect(bodyRect, bodyColor);
 
     // top line
     const QRect topLineRect(0, 0, width, 1);
-    const QColor topLineColor = active ? tabBarTabLineActive : tabBarTabLine;
+    const QColor topLineColor = active ? tabBarTabLineActive() : tabBarTabLine();
     p->fillRect(topLineRect, topLineColor);
 
     // bottom line
     const QRect bottomLineRect(0, height - 1, width, 1);
-    const QColor bottomLineColor = active ? tabBarTabLineActive : tabBarTabLine;
+    bool isDocument = false;
+    if (const QTabBar *tabBar = qobject_cast<const QTabBar*>(w))
+        isDocument = tabBar->documentMode();
+    const QColor bottomLineColor = isDocument && isDarkMode() ? QColor(Qt::black) : active ? tabBarTabLineActive() : tabBarTabLine();
     p->fillRect(bottomLineRect, bottomLineColor);
 }
 #endif
@@ -1124,6 +1156,66 @@ static QStyleHelper::WidgetSizePolicy qt_aqua_guess_size(const QWidget *widg, QS
 }
 #endif
 
+static NSColor *qt_convertColorForContext(CGContextRef context, NSColor *color)
+{
+    Q_ASSERT(color);
+    Q_ASSERT(context);
+
+    CGColorSpaceRef targetCGColorSpace = CGBitmapContextGetColorSpace(context);
+    NSColorSpace *targetNSColorSpace = [[NSColorSpace alloc] initWithCGColorSpace:targetCGColorSpace];
+    NSColor *adjusted = [color colorUsingColorSpace:targetNSColorSpace];
+    [targetNSColorSpace release];
+
+    return adjusted;
+}
+
+static NSColor *qt_colorForContext(CGContextRef context, const CGFloat (&rgba)[4])
+{
+    Q_ASSERT(context);
+
+    auto colorSpace = CGBitmapContextGetColorSpace(context);
+    if (!colorSpace)
+        return nil;
+
+    return qt_convertColorForContext(context, [NSColor colorWithSRGBRed:rgba[0] green:rgba[1] blue:rgba[2] alpha:rgba[3]]);
+}
+
+static void qt_drawDisclosureButton(CGContextRef context, NSInteger state, bool selected, CGRect rect)
+{
+    Q_ASSERT(context);
+
+    static const CGFloat gray[] = {0.55, 0.55, 0.55, 0.97};
+    static const CGFloat white[] = {1.0, 1.0, 1.0, 0.9};
+
+    NSColor *fillColor = qt_colorForContext(context, selected ? white : gray);
+    [fillColor setFill];
+
+    if (state == NSOffState) {
+        static NSBezierPath *triangle = [[NSBezierPath alloc] init];
+        [triangle removeAllPoints];
+        // In off state, a disclosure button is an equilateral triangle
+        // ('pointing' to the right) with a bound rect that can be described
+        // as NSMakeRect(0, 0, 8, 9). Inside the 'rect' it's translated by
+        //  (2, 4).
+        [triangle moveToPoint:NSMakePoint(rect.origin.x + 2, rect.origin.y + 4)];
+        [triangle lineToPoint:NSMakePoint(rect.origin.x + 2, rect.origin.y + 4 + 9)];
+        [triangle lineToPoint:NSMakePoint(rect.origin.x + 2 + 8, rect.origin.y + 4 + 4.5)];
+        [triangle closePath];
+        [triangle fill];
+    } else {
+        static NSBezierPath *openTriangle = [[NSBezierPath alloc] init];
+        [openTriangle removeAllPoints];
+        // In 'on' state, the button is an equilateral triangle (looking down)
+        // with the bounding rect NSMakeRect(0, 0, 9, 8). Inside the 'rect'
+        // it's translated by (1, 4).
+        [openTriangle moveToPoint:NSMakePoint(rect.origin.x + 1, rect.origin.y + 4 + 8)];
+        [openTriangle lineToPoint:NSMakePoint(rect.origin.x + 1 + 9, rect.origin.y + 4 + 8)];
+        [openTriangle lineToPoint:NSMakePoint(rect.origin.x + 1 + 4.5, rect.origin.y + 4)];
+        [openTriangle closePath];
+        [openTriangle fill];
+    }
+}
+
 void QMacStylePrivate::drawFocusRing(QPainter *p, const QRectF &targetRect, int hMargin, int vMargin, const CocoaControl &cw) const
 {
     QPainterPath focusRingPath;
@@ -1227,11 +1319,17 @@ void QMacStylePrivate::drawFocusRing(QPainter *p, const QRectF &targetRect, int
         Q_UNREACHABLE();
     }
 
-    const auto focusRingColor = qt_mac_toQColor(NSColor.keyboardFocusIndicatorColor.CGColor);
+    auto focusRingColor = qt_mac_toQColor(NSColor.keyboardFocusIndicatorColor.CGColor);
+    if (!qt_mac_applicationIsInDarkMode()) {
+        // This color already has alpha ~ 0.25, this value is too small - the ring is
+        // very pale and nothing like the native one. 0.39 makes it better (not ideal
+        // anyway). The color seems to be correct in dark more without any modification.
+        focusRingColor.setAlphaF(0.39);
+    }
 
     p->save();
     p->setRenderHint(QPainter::Antialiasing);
-    p->setOpacity(0.5);
+
     if (cw.type == SegmentedControl_First) {
         // TODO Flip left-right
     }
@@ -3203,8 +3301,15 @@ void QMacStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPai
         CGContextScaleCTM(cg, 1, -1);
         CGContextTranslateCTM(cg, -rect.origin.x, -rect.origin.y);
 
-        [triangleCell drawBezelWithFrame:NSRectFromCGRect(rect) inView:[triangleCell controlView]];
-
+        if (QOperatingSystemVersion::current() >= QOperatingSystemVersion::MacOSMojave && !qt_mac_applicationIsInDarkMode()) {
+            // When the real system theme is one of the 'Dark' themes, and an application forces the 'Aqua' theme,
+            // under some conditions (see QTBUG-74515 for more details) NSButtonCell seems to select the 'Dark'
+            // code path and is becoming transparent, thus 'invisible' on the white background. To workaround this,
+            // we draw the disclose triangle manually:
+            qt_drawDisclosureButton(cg, triangleCell.state, (opt->state & State_Selected) && viewHasFocus, rect);
+        } else {
+            [triangleCell drawBezelWithFrame:NSRectFromCGRect(rect) inView:[triangleCell controlView]];
+        }
         d->restoreNSGraphicsContext(cg);
         break; }
 
@@ -3536,7 +3641,7 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
                         if (tbstyle == Qt::ToolButtonTextOnly
                             || (tbstyle != Qt::ToolButtonTextOnly && !down)) {
                             QPen pen = p->pen();
-                            QColor light = down ? Qt::black : Qt::white;
+                            QColor light = down || isDarkMode() ? Qt::black : Qt::white;
                             light.setAlphaF(0.375f);
                             p->setPen(light);
                             p->drawText(cr.adjusted(0, 1, 0, 1), alignment, tb->text);
@@ -3958,6 +4063,11 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
                     if (!tabBar->tabTextColor(tabBar->currentIndex()).isValid())
                         myTab.palette.setColor(QPalette::WindowText, Qt::white);
 
+            if (myTab.documentMode && isDarkMode()) {
+                bool active = (myTab.state & State_Selected) && (myTab.state & State_Active);
+                myTab.palette.setColor(QPalette::WindowText, active ? Qt::white : Qt::gray);
+            }
+
             int heightOffset = 0;
             if (verticalTabs) {
                 heightOffset = -1;
@@ -4444,16 +4554,17 @@ void QMacStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPainter
         p->fillRect(opt->rect, linearGrad);
 
         p->save();
+        QRect toolbarRect = isDarkMode ? opt->rect.adjusted(0, 0, 0, 1) : opt->rect;
         if (opt->state & State_Horizontal) {
             p->setPen(isDarkMode ? darkModeSeparatorLine : mainWindowGradientBegin.lighter(114));
-            p->drawLine(opt->rect.topLeft(), opt->rect.topRight());
+            p->drawLine(toolbarRect.topLeft(), toolbarRect.topRight());
             p->setPen(isDarkMode ? darkModeSeparatorLine :mainWindowGradientEnd.darker(114));
-            p->drawLine(opt->rect.bottomLeft(), opt->rect.bottomRight());
+            p->drawLine(toolbarRect.bottomLeft(), toolbarRect.bottomRight());
         } else {
             p->setPen(isDarkMode ? darkModeSeparatorLine : mainWindowGradientBegin.lighter(114));
-            p->drawLine(opt->rect.topLeft(), opt->rect.bottomLeft());
+            p->drawLine(toolbarRect.topLeft(), toolbarRect.bottomLeft());
             p->setPen(isDarkMode ? darkModeSeparatorLine : mainWindowGradientEnd.darker(114));
-            p->drawLine(opt->rect.topRight(), opt->rect.bottomRight());
+            p->drawLine(toolbarRect.topRight(), toolbarRect.bottomRight());
         }
         p->restore();
 
diff --git a/src/testlib/qappletestlogger.cpp b/src/testlib/qappletestlogger.cpp
index 959ff6cf64..dfeadebdef 100644
--- a/src/testlib/qappletestlogger.cpp
+++ b/src/testlib/qappletestlogger.cpp
@@ -83,56 +83,56 @@ void QAppleTestLogger::leaveTestFunction()
     testFunctionActivity.leave();
 }
 
-typedef QPair<QtMsgType, const char *> IncidentClassification;
-static IncidentClassification incidentTypeToClassification(QAbstractTestLogger::IncidentTypes type)
+struct MessageData
 {
-    switch (type) {
-    case QAbstractTestLogger::Pass:
-        return IncidentClassification(QtInfoMsg, "pass");
-    case QAbstractTestLogger::XFail:
-        return IncidentClassification(QtInfoMsg, "xfail");
-    case QAbstractTestLogger::Fail:
-        return IncidentClassification(QtCriticalMsg, "fail");
-    case QAbstractTestLogger::XPass:
-        return IncidentClassification(QtInfoMsg, "xpass");
-    case QAbstractTestLogger::BlacklistedPass:
-        return IncidentClassification(QtWarningMsg, "bpass");
-    case QAbstractTestLogger::BlacklistedFail:
-        return IncidentClassification(QtInfoMsg, "bfail");
-    case QAbstractTestLogger::BlacklistedXPass:
-        return IncidentClassification(QtWarningMsg, "bxpass");
-    case QAbstractTestLogger::BlacklistedXFail:
-        return IncidentClassification(QtInfoMsg, "bxfail");
+    QtMsgType messageType = QtFatalMsg;
+    const char *categorySuffix = nullptr;
+
+    void generateCategory(QTestCharBuffer *category)
+    {
+        if (categorySuffix)
+            QTest::qt_asprintf(category, "qt.test.%s", categorySuffix);
+        else
+            QTest::qt_asprintf(category, "qt.test");
     }
-    return IncidentClassification(QtFatalMsg, nullptr);
-}
+};
+
 
 void QAppleTestLogger::addIncident(IncidentTypes type, const char *description,
                                    const char *file, int line)
 {
-
-    IncidentClassification incidentClassification = incidentTypeToClassification(type);
+    MessageData messageData = [=]() {
+        switch (type) {
+        case QAbstractTestLogger::Pass:
+            return MessageData{QtInfoMsg, "pass"};
+        case QAbstractTestLogger::XFail:
+            return MessageData{QtInfoMsg, "xfail"};
+        case QAbstractTestLogger::Fail:
+            return MessageData{QtCriticalMsg, "fail"};
+        case QAbstractTestLogger::XPass:
+            return MessageData{QtInfoMsg, "xpass"};
+        case QAbstractTestLogger::BlacklistedPass:
+            return MessageData{QtWarningMsg, "bpass"};
+        case QAbstractTestLogger::BlacklistedFail:
+            return MessageData{QtInfoMsg, "bfail"};
+        case QAbstractTestLogger::BlacklistedXPass:
+            return MessageData{QtWarningMsg, "bxpass"};
+        case QAbstractTestLogger::BlacklistedXFail:
+            return MessageData{QtInfoMsg, "bxfail"};
+        }
+        Q_UNREACHABLE();
+    }();
 
     QTestCharBuffer category;
-    QTest::qt_asprintf(&category, "qt.test.%s", incidentClassification.second);
-    QMessageLogContext context(file, line, /* function = */ nullptr, category.data());
+    messageData.generateCategory(&category);
 
-    QTestCharBuffer subsystemBuffer;
-    // It would be nice to have the data tag as part of the subsystem too, but that
-    // will for some tests results in hundreds of thousands of log objects being
-    // created, so we limit the subsystem to test functions, which we can hope
-    // are reasonably limited.
-    generateTestIdentifier(&subsystemBuffer, TestObject | TestFunction);
-    QString subsystem = QString::fromLatin1(subsystemBuffer.data());
+    QMessageLogContext context(file, line, /* function = */ nullptr, category.data());
 
-    // We still want the full identifier as part of the message though
-    QTestCharBuffer testIdentifier;
-    generateTestIdentifier(&testIdentifier);
-    QString message = QString::fromLatin1(testIdentifier.data());
+    QString message = testIdentifier();
     if (qstrlen(description))
         message += QLatin1Char('\n') % QString::fromLatin1(description);
 
-    AppleUnifiedLogger::messageHandler(incidentClassification.first, context, message, subsystem);
+    AppleUnifiedLogger::messageHandler(messageData.messageType, context, message, subsystem());
 }
 
 void QAppleTestLogger::addMessage(QtMsgType type, const QMessageLogContext &context, const QString &message)
@@ -140,6 +140,62 @@ void QAppleTestLogger::addMessage(QtMsgType type, const QMessageLogContext &cont
     AppleUnifiedLogger::messageHandler(type, context, message);
 }
 
+void QAppleTestLogger::addMessage(MessageTypes type, const QString &message, const char *file, int line)
+{
+    MessageData messageData = [=]() {
+        switch (type) {
+        case QAbstractTestLogger::Warn:
+        case QAbstractTestLogger::QWarning:
+            return MessageData{QtWarningMsg, nullptr};
+        case QAbstractTestLogger::QDebug:
+            return MessageData{QtDebugMsg, nullptr};
+        case QAbstractTestLogger::QSystem:
+            return MessageData{QtWarningMsg, "system"};
+        case QAbstractTestLogger::QFatal:
+            return MessageData{QtFatalMsg, nullptr};
+        case QAbstractTestLogger::Skip:
+            return MessageData{QtInfoMsg, "skip"};
+        case QAbstractTestLogger::Info:
+        case QAbstractTestLogger::QInfo:
+            return MessageData{QtInfoMsg, nullptr};
+        }
+        Q_UNREACHABLE();
+    }();
+
+    QTestCharBuffer category;
+    messageData.generateCategory(&category);
+
+    QMessageLogContext context(file, line, /* function = */ nullptr, category.data());
+    QString msg = message;
+
+    if (type == Skip) {
+        if (!message.isNull())
+            msg.prepend(testIdentifier() + QLatin1Char('\n'));
+        else
+            msg = testIdentifier();
+    }
+
+    AppleUnifiedLogger::messageHandler(messageData.messageType, context, msg, subsystem());
+}
+
+QString QAppleTestLogger::subsystem() const
+{
+    QTestCharBuffer buffer;
+    // It would be nice to have the data tag as part of the subsystem too, but that
+    // will for some tests result in hundreds of thousands of log objects being
+    // created, so we limit the subsystem to test functions, which we can hope
+    // are reasonably limited.
+    generateTestIdentifier(&buffer, TestObject | TestFunction);
+    return QString::fromLatin1(buffer.data());
+}
+
+QString QAppleTestLogger::testIdentifier() const
+{
+    QTestCharBuffer buffer;
+    generateTestIdentifier(&buffer);
+    return QString::fromLatin1(buffer.data());
+}
+
 #endif // QT_USE_APPLE_UNIFIED_LOGGING
 
 QT_END_NAMESPACE
diff --git a/src/testlib/qappletestlogger_p.h b/src/testlib/qappletestlogger_p.h
index 4217f4e6a2..62c6d95c5a 100644
--- a/src/testlib/qappletestlogger_p.h
+++ b/src/testlib/qappletestlogger_p.h
@@ -73,11 +73,14 @@ public:
     void addMessage(QtMsgType, const QMessageLogContext &,
             const QString &) override;
     void addMessage(MessageTypes type, const QString &message,
-                            const char *file = 0, int line = 0) override
-    { Q_UNUSED(type); Q_UNUSED(message); Q_UNUSED(file); Q_UNUSED(line); Q_UNREACHABLE(); }
+                            const char *file = 0, int line = 0) override;
 
     void addBenchmarkResult(const QBenchmarkResult &result) override
     { Q_UNUSED(result); }
+
+private:
+    QString subsystem() const;
+    QString testIdentifier() const;
 };
 #endif
 
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 90a23f7cd4..74b18d9991 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -1538,14 +1538,19 @@ void QWidgetPrivate::createTLSysExtra()
             extra->topextra->window->setMaximumSize(QSize(extra->maxw, extra->maxh));
         if (extra->topextra->opacity != 255 && q->isWindow())
             extra->topextra->window->setOpacity(qreal(extra->topextra->opacity) / qreal(255));
+
+        const bool isTipLabel = q->inherits("QTipLabel");
+        const bool isAlphaWidget = !isTipLabel && q->inherits("QAlphaWidget");
 #ifdef Q_OS_WIN
         // Pass on native parent handle for Widget embedded into Active X.
         const QVariant activeXNativeParentHandle = q->property(activeXNativeParentHandleProperty);
         if (activeXNativeParentHandle.isValid())
             extra->topextra->window->setProperty(activeXNativeParentHandleProperty, activeXNativeParentHandle);
-        if (q->inherits("QTipLabel") || q->inherits("QAlphaWidget"))
+        if (isTipLabel || isAlphaWidget)
             extra->topextra->window->setProperty("_q_windowsDropShadow", QVariant(true));
 #endif
+        if (isTipLabel || isAlphaWidget || q->inherits("QRollEffect"))
+            qt_window_private(extra->topextra->window)->setAutomaticPositionAndResizeEnabled(false);
     }
 
 }
diff --git a/src/widgets/widgets/qspinbox.cpp b/src/widgets/widgets/qspinbox.cpp
index 40044223e2..97a3a12336 100644
--- a/src/widgets/widgets/qspinbox.cpp
+++ b/src/widgets/widgets/qspinbox.cpp
@@ -751,6 +751,10 @@ void QDoubleSpinBox::setPrefix(const QString &prefix)
 
     d->prefix = prefix;
     d->updateEdit();
+
+    d->cachedSizeHint = QSize();
+    d->cachedMinimumSizeHint = QSize(); // minimumSizeHint cares about the prefix
+    updateGeometry();
 }
 
 /*!
diff --git a/tests/auto/corelib/itemmodels/qidentityproxymodel/tst_qidentityproxymodel.cpp b/tests/auto/corelib/itemmodels/qidentityproxymodel/tst_qidentityproxymodel.cpp
index 262c6dd9c8..c76052a38b 100644
--- a/tests/auto/corelib/itemmodels/qidentityproxymodel/tst_qidentityproxymodel.cpp
+++ b/tests/auto/corelib/itemmodels/qidentityproxymodel/tst_qidentityproxymodel.cpp
@@ -32,10 +32,13 @@
 #include <QStandardItemModel>
 #include <QStringListModel>
 #include <QTest>
+#include <QLoggingCategory>
 
 #include "dynamictreemodel.h"
 #include "qidentityproxymodel.h"
 
+Q_LOGGING_CATEGORY(lcItemModels, "qt.corelib.tests.itemmodels")
+
 class DataChangedModel : public QAbstractListModel
 {
 public:
@@ -390,7 +393,7 @@ void dump(QAbstractItemModel* model, QString const& indent = " - ", QModelIndex
     for (auto row = 0; row < model->rowCount(parent); ++row)
     {
         auto idx = model->index(row, 0, parent);
-        qDebug() << (indent + idx.data().toString());
+        qCDebug(lcItemModels) << (indent + idx.data().toString());
         dump(model, indent + "- ", idx);
     }
 }
diff --git a/tests/auto/corelib/itemmodels/qitemmodel/tst_qitemmodel.cpp b/tests/auto/corelib/itemmodels/qitemmodel/tst_qitemmodel.cpp
index da13b9f33f..b9deb7b6a9 100644
--- a/tests/auto/corelib/itemmodels/qitemmodel/tst_qitemmodel.cpp
+++ b/tests/auto/corelib/itemmodels/qitemmodel/tst_qitemmodel.cpp
@@ -125,6 +125,7 @@ private:
 tst_QItemModel::tst_QItemModel()
 {
     qRegisterMetaType<QAbstractItemModel::LayoutChangeHint>();
+    qRegisterMetaType<QList<QPersistentModelIndex>>();
 }
 
 void tst_QItemModel::init()
@@ -181,7 +182,7 @@ void tst_QItemModel::nonDestructiveBasicTest()
     currentModel->hasChildren(QModelIndex());
     currentModel->hasIndex(0, 0);
     currentModel->headerData(0, Qt::Horizontal);
-    currentModel->index(0,0), QModelIndex();
+    currentModel->index(0,0);
     currentModel->itemData(QModelIndex());
     QVariant cache;
     currentModel->match(QModelIndex(), -1, cache);
diff --git a/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.cpp b/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.cpp
index 82cd26971b..ccce5a44e5 100644
--- a/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.cpp
+++ b/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.cpp
@@ -38,6 +38,8 @@
 
 #include <qdebug.h>
 
+Q_LOGGING_CATEGORY(lcItemModels, "qt.corelib.tests.itemmodels")
+
 // Testing get/set functions
 void tst_QSortFilterProxyModel::getSetCheck()
 {
@@ -2361,6 +2363,45 @@ void tst_QSortFilterProxyModel::match()
         QCOMPARE(indexes.at(i).row(), expectedProxyItems.at(i));
 }
 
+QList<QStandardItem *> createStandardItemList(const QString &prefix, int n)
+{
+    QList<QStandardItem *> result;
+    for (int i = 0; i < n; ++i)
+        result.append(new QStandardItem(prefix + QString::number(i)));
+    return result;
+}
+
+// QTBUG-73864, recursive search in a tree model.
+
+void tst_QSortFilterProxyModel::matchTree()
+{
+    QStandardItemModel model(0, 2);
+    // Header00 Header01
+    // Header10 Header11
+    //   Item00 Item01
+    //   Item10 Item11
+    model.appendRow(createStandardItemList(QLatin1String("Header0"), 2));
+    auto headerRow = createStandardItemList(QLatin1String("Header1"), 2);
+    model.appendRow(headerRow);
+    headerRow.first()->appendRow(createStandardItemList(QLatin1String("Item0"), 2));
+    headerRow.first()->appendRow(createStandardItemList(QLatin1String("Item1"), 2));
+
+    auto item11 = model.match(model.index(1, 1), Qt::DisplayRole, QLatin1String("Item11"), 20,
+                              Qt::MatchRecursive).value(0);
+    QVERIFY(item11.isValid());
+    QCOMPARE(item11.data().toString(), QLatin1String("Item11"));
+
+    // Repeat in proxy model
+    QSortFilterProxyModel proxy;
+    proxy.setSourceModel(&model);
+    auto proxyItem11 = proxy.match(proxy.index(1, 1), Qt::DisplayRole, QLatin1String("Item11"), 20,
+                              Qt::MatchRecursive).value(0);
+    QVERIFY(proxyItem11.isValid());
+    QCOMPARE(proxyItem11.data().toString(), QLatin1String("Item11"));
+
+    QCOMPARE(proxy.mapToSource(proxyItem11).internalId(), item11.internalId());
+}
+
 void tst_QSortFilterProxyModel::insertIntoChildrenlessItem()
 {
     QStandardItemModel model;
@@ -4277,7 +4318,7 @@ public:
     QModelIndex index(int, int, const QModelIndex& parent = QModelIndex()) const override
     {
         // QTBUG-44962: Would we always expect the parent to belong to the model
-        qDebug() << parent.model() << this;
+        qCDebug(lcItemModels) << parent.model() << this;
         Q_ASSERT(!parent.isValid() || parent.model() == this);
 
         quintptr parentId = (parent.isValid()) ? parent.internalId() : 0;
@@ -4363,7 +4404,7 @@ void tst_QSortFilterProxyModel::sourceLayoutChangeLeavesValidPersistentIndexes()
     // The use of qDebug here makes sufficient use of the heap to
     // cause corruption at runtime with normal use on linux (before
     // the fix). valgrind confirms the fix.
-    qDebug() << persistentIndex.parent();
+    qCDebug(lcItemModels) << persistentIndex.parent();
     QVERIFY(persistentIndex.parent().isValid());
 }
 
diff --git a/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.h b/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.h
index 82d4b7344e..8ae97165b8 100644
--- a/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.h
+++ b/tests/auto/corelib/itemmodels/qsortfilterproxymodel_common/tst_qsortfilterproxymodel.h
@@ -109,6 +109,7 @@ private slots:
     void selectionFilteredOut();
     void match_data();
     void match();
+    void matchTree();
     void insertIntoChildrenlessItem();
     void invalidateMappedChildren();
     void insertRowIntoFilteredParent();
@@ -186,4 +187,6 @@ private:
 
 Q_DECLARE_METATYPE(QAbstractItemModel::LayoutChangeHint)
 
+Q_DECLARE_LOGGING_CATEGORY(lcItemModels)
+
 #endif // TST_QSORTFILTERPROXYMODEL_H
diff --git a/tests/auto/corelib/serialization/qdatastream_core_pixmap/qdatastream_core_pixmap.pro b/tests/auto/corelib/serialization/qdatastream_core_pixmap/qdatastream_core_pixmap.pro
new file mode 100644
index 0000000000..7e003304af
--- /dev/null
+++ b/tests/auto/corelib/serialization/qdatastream_core_pixmap/qdatastream_core_pixmap.pro
@@ -0,0 +1,4 @@
+CONFIG += testcase
+TARGET = tst_qdatastream_core_pixmap
+QT += testlib
+SOURCES = tst_qdatastream_core_pixmap.cpp
diff --git a/tests/auto/corelib/serialization/qdatastream_core_pixmap/tst_qdatastream_core_pixmap.cpp b/tests/auto/corelib/serialization/qdatastream_core_pixmap/tst_qdatastream_core_pixmap.cpp
new file mode 100644
index 0000000000..c931016a61
--- /dev/null
+++ b/tests/auto/corelib/serialization/qdatastream_core_pixmap/tst_qdatastream_core_pixmap.cpp
@@ -0,0 +1,68 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 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 <QtTest/QtTest>
+#include <QtGui/QBitmap>
+#include <QtGui/QPalette>
+#include <QtGui/QPixmap>
+#include <QtGui/QPicture>
+#include <QtGui/QTextLength>
+#include <QtGui/QPainter>
+#include <QtGui/QPen>
+
+class tst_QDataStream : public QObject
+{
+Q_OBJECT
+
+private slots:
+    void stream_with_pixmap();
+
+};
+
+void tst_QDataStream::stream_with_pixmap()
+{
+    // This is a QVariantMap with a 3x3 red QPixmap and two strings inside
+    const QByteArray ba = QByteArray::fromBase64("AAAAAwAAAAIAegAAAAoAAAAACgB0AGgAZQByAGUAAAACAHAAAABBAAAAAAGJUE5HDQoaCgAAAA1JSERSAAAAAwAAAAMIAgAAANlKIugAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAQSURBVAiZY/zPAAVMDJgsAB1bAQXZn5ieAAAAAElFTkSuQmCCAAAAAgBhAAAACgAAAAAKAGgAZQBsAGwAbw==");
+    QImage dummy; // Needed to make sure qtGui is loaded
+
+    QTest::ignoreMessage(QtWarningMsg, "QPixmap::fromImageInPlace: QPixmap cannot be created without a QGuiApplication");
+
+    QVariantMap map;
+    QDataStream d(ba);
+    d.setVersion(QDataStream::Qt_5_12);
+    d >> map;
+
+    QCOMPARE(map["a"].toString(), QString("hello"));
+    QCOMPARE(map["p"].value<QPixmap>(), QPixmap()); // the pixmap is null because this is not a QGuiApplication
+    QCOMPARE(map["z"].toString(), QString("there"));
+}
+
+QTEST_GUILESS_MAIN(tst_QDataStream)
+
+#include "tst_qdatastream_core_pixmap.moc"
+
diff --git a/tests/auto/corelib/serialization/serialization.pro b/tests/auto/corelib/serialization/serialization.pro
index 9187de1bc5..9638178cdc 100644
--- a/tests/auto/corelib/serialization/serialization.pro
+++ b/tests/auto/corelib/serialization/serialization.pro
@@ -6,6 +6,7 @@ SUBDIRS = \
     qcborvalue \
     qcborvalue_json \
     qdatastream \
+    qdatastream_core_pixmap \
     qtextstream \
     qxmlstream
 
diff --git a/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp b/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
index fc4cb717ec..e1bb3149c6 100644
--- a/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
+++ b/tests/auto/corelib/tools/qtimezone/tst_qtimezone.cpp
@@ -538,6 +538,8 @@ void tst_QTimeZone::checkOffset_data()
         int year, month, day, hour, min, sec;
         int std, dst;
     } table[] = {
+        // Zone with no transitions (QTBUG-74614, when TZ backend uses minimalist data)
+        { "Etc/UTC", "epoch", 1970, 1, 1, 0, 0, 0, 0, 0 },
         // Kiev: regression test for QTBUG-64122 (on MS):
         { "Europe/Kiev", "summer", 2017, 10, 27, 12, 0, 0, 2 * 3600, 3600 },
         { "Europe/Kiev", "winter", 2017, 10, 29, 12, 0, 0, 2 * 3600, 0 }
@@ -550,6 +552,8 @@ void tst_QTimeZone::checkOffset_data()
                 << QDateTime(QDate(entry.year, entry.month, entry.day),
                              QTime(entry.hour, entry.min, entry.sec), zone)
                 << entry.dst + entry.std << entry.std << entry.dst;
+        } else {
+            qWarning("Skipping %s@%s test as zone is invalid", entry.zone, entry.nick);
         }
     }
 }
diff --git a/tests/auto/network/access/qabstractnetworkcache/tst_qabstractnetworkcache.cpp b/tests/auto/network/access/qabstractnetworkcache/tst_qabstractnetworkcache.cpp
index 92384e85bc..182e3e9547 100644
--- a/tests/auto/network/access/qabstractnetworkcache/tst_qabstractnetworkcache.cpp
+++ b/tests/auto/network/access/qabstractnetworkcache/tst_qabstractnetworkcache.cpp
@@ -256,9 +256,14 @@ void tst_QAbstractNetworkCache::cacheControl_data()
     QTest::newRow("200-1") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol-expire.cgi" << false;
 
     QTest::newRow("200-2") << QNetworkRequest::AlwaysNetwork << "httpcachetest_cachecontrol.cgi?no-cache" << AlwaysFalse;
-    QTest::newRow("200-3") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?no-cache" << false;
+    QTest::newRow("200-3") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?no-cache" << true;
     QTest::newRow("200-4") << QNetworkRequest::AlwaysCache << "httpcachetest_cachecontrol.cgi?no-cache" << false;
-    QTest::newRow("200-5") << QNetworkRequest::PreferCache << "httpcachetest_cachecontrol.cgi?no-cache" << false;
+    QTest::newRow("200-5") << QNetworkRequest::PreferCache << "httpcachetest_cachecontrol.cgi?no-cache" << true;
+
+    QTest::newRow("200-6") << QNetworkRequest::AlwaysNetwork << "httpcachetest_cachecontrol.cgi?no-store" << AlwaysFalse;
+    QTest::newRow("200-7") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?no-store" << false;
+    QTest::newRow("200-8") << QNetworkRequest::AlwaysCache << "httpcachetest_cachecontrol.cgi?no-store" << false;
+    QTest::newRow("200-9") << QNetworkRequest::PreferCache << "httpcachetest_cachecontrol.cgi?no-store" << false;
 
     QTest::newRow("304-0") << QNetworkRequest::PreferNetwork << "httpcachetest_cachecontrol.cgi?max-age=1000" << true;
 
diff --git a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
index 0d6828797a..8627a37e12 100644
--- a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
+++ b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
@@ -3976,7 +3976,7 @@ void tst_QNetworkReply::ioGetFromHttpWithCache_data()
             "HTTP/1.0 200\r\n"
             "Connection: keep-alive\r\n"
             "Content-Type: text/plain\r\n"
-            "Cache-control: no-cache\r\n"
+            "Cache-control: no-store\r\n"
             "Content-length: 8\r\n"
             "\r\n"
             "Reloaded";
@@ -4002,6 +4002,33 @@ void tst_QNetworkReply::ioGetFromHttpWithCache_data()
     content.second = "Not-reloaded";
     content.first.setLastModified(past);
 
+    // "no-cache"
+    rawHeaders.clear();
+    rawHeaders << QNetworkCacheMetaData::RawHeader("Date", QLocale::c().toString(past, dateFormat).toLatin1())
+            << QNetworkCacheMetaData::RawHeader("Cache-control", "no-cache");
+    content.first.setRawHeaders(rawHeaders);
+    content.first.setLastModified(past);
+    content.first.setExpirationDate(future);
+
+    // "no-cache" does not mean "no cache", just that we must consult remote first
+    QTest::newRow("no-cache,200,always-network")
+            << reply200 << "Reloaded" << content << int(QNetworkRequest::AlwaysNetwork) << QStringList() << false << true;
+    QTest::newRow("no-cache,200,prefer-network")
+            << reply200 << "Reloaded" << content << int(QNetworkRequest::PreferNetwork) << QStringList() << false << true;
+    QTest::newRow("no-cache,200,prefer-cache")
+            << reply200 << "Reloaded" << content << int(QNetworkRequest::PreferCache) << QStringList() << false << true;
+    // We're not allowed by the spec to deliver cached data without checking if it is still
+    // up-to-date.
+    QTest::newRow("no-cache,200,always-cache")
+            << reply200 << QString() << content << int(QNetworkRequest::AlwaysCache) << QStringList() << false << false;
+
+    QTest::newRow("no-cache,304,prefer-network")
+            << reply304 << "Not-reloaded" << content << int(QNetworkRequest::PreferNetwork) << QStringList() << true << true;
+    QTest::newRow("no-cache,304,prefer-cache")
+            << reply304 << "Not-reloaded" << content << int(QNetworkRequest::PreferCache) << QStringList() << true << true;
+    QTest::newRow("no-cache,304,always-cache")
+            << reply304 << QString() << content << int(QNetworkRequest::AlwaysCache) << QStringList() << false << false;
+
     //
     // Set to expired
     //
diff --git a/tests/auto/network/kernel/qhostinfo/BLACKLIST b/tests/auto/network/kernel/qhostinfo/BLACKLIST
index 87c5fe991f..cd4d4eb03c 100644
--- a/tests/auto/network/kernel/qhostinfo/BLACKLIST
+++ b/tests/auto/network/kernel/qhostinfo/BLACKLIST
@@ -4,3 +4,5 @@
 windows ci
 [blockingLookup:a-plus-aaaa]
 windows ci
+[reverseLookup:google-public-dns-a.google.com]
+ci
diff --git a/tests/auto/network/ssl/qsslsocket_onDemandCertificates_member/BLACKLIST b/tests/auto/network/ssl/qsslsocket_onDemandCertificates_member/BLACKLIST
deleted file mode 100644
index c9b628d79b..0000000000
--- a/tests/auto/network/ssl/qsslsocket_onDemandCertificates_member/BLACKLIST
+++ /dev/null
@@ -1,2 +0,0 @@
-[onDemandRootCertLoadingMemberMethods]
-linux
diff --git a/tests/auto/tools/qmake/testcompiler.cpp b/tests/auto/tools/qmake/testcompiler.cpp
index 3276d97354..0a7ba3b40b 100644
--- a/tests/auto/tools/qmake/testcompiler.cpp
+++ b/tests/auto/tools/qmake/testcompiler.cpp
@@ -31,7 +31,7 @@
 #include <QProcess>
 #include <QDir>
 
-static QString targetName( BuildType buildMode, const QString& target, const QString& version )
+QString TestCompiler::targetName(BuildType buildMode, const QString& target, const QString& version)
 {
     Q_UNUSED(version);
     QString targetName = target;
@@ -257,7 +257,8 @@ bool TestCompiler::qmakeProject( const QString &workDir, const QString &proName
     return runCommand(qmakeCmd_, QStringList() << "-project" << "-o" << projectFile << "DESTDIR=./");
 }
 
-bool TestCompiler::qmake( const QString &workDir, const QString &proName, const QString &buildDir )
+bool TestCompiler::qmake(const QString &workDir, const QString &proName, const QString &buildDir,
+                         const QStringList &additionalArguments)
 {
     QDir D;
     D.setCurrent( workDir );
@@ -274,7 +275,8 @@ bool TestCompiler::qmake( const QString &workDir, const QString &proName, const
     makeFile += "Makefile";
 
     // Now start qmake and generate the makefile
-    return runCommand(qmakeCmd_, QStringList(qmakeArgs_) << projectFile << "-o" << makeFile);
+    return runCommand(qmakeCmd_, QStringList(qmakeArgs_) << projectFile << "-o" << makeFile
+                      << additionalArguments);
 }
 
 bool TestCompiler::make( const QString &workPath, const QString &target, bool expectFail )
diff --git a/tests/auto/tools/qmake/testcompiler.h b/tests/auto/tools/qmake/testcompiler.h
index d3fe6d88f8..50232669c0 100644
--- a/tests/auto/tools/qmake/testcompiler.h
+++ b/tests/auto/tools/qmake/testcompiler.h
@@ -49,6 +49,8 @@ public:
     void resetEnvironment();
     void addToEnvironment( QString varAssignment );
 
+    static QString targetName(BuildType buildMode, const QString& target, const QString& version);
+
     // executes a make clean in the specified workPath
     bool makeClean( const QString &workPath );
     // executes a make dist clean in the specified workPath
@@ -56,7 +58,8 @@ public:
     // executes a qmake -project on the specified workDir
     bool qmakeProject( const QString &workDir, const QString &proName );
     // executes a qmake on proName in the specified workDir, output goes to buildDir or workDir if it's null
-    bool qmake( const QString &workDir, const QString &proName, const QString &buildDir = QString() );
+    bool qmake(const QString &workDir, const QString &proName, const QString &buildDir = QString(),
+               const QStringList &additionalArguments = QStringList());
     // executes a make in the specified workPath, with an optional target (eg. install)
     bool make( const QString &workPath, const QString &target = QString(), bool expectFail = false );
     // checks if the executable exists in destDir
diff --git a/tests/auto/tools/qmake/testdata/simple_app/simple_app.pro b/tests/auto/tools/qmake/testdata/simple_app/simple_app.pro
index 0e78a91f46..f089ac14fc 100644
--- a/tests/auto/tools/qmake/testdata/simple_app/simple_app.pro
+++ b/tests/auto/tools/qmake/testdata/simple_app/simple_app.pro
@@ -5,3 +5,8 @@ SOURCES		= test_file.cpp \
 RESOURCES = test.qrc
 TARGET	= "simple app"
 DESTDIR	= "dest dir"
+
+target.path = $$OUT_PWD/dist
+INSTALLS += target
+
+!build_pass:msvc:CONFIG(debug, debug|release):message("check for pdb, please")
diff --git a/tests/auto/tools/qmake/tst_qmake.cpp b/tests/auto/tools/qmake/tst_qmake.cpp
index 2b822e682f..1eaf66311c 100644
--- a/tests/auto/tools/qmake/tst_qmake.cpp
+++ b/tests/auto/tools/qmake/tst_qmake.cpp
@@ -58,6 +58,7 @@ private slots:
     void simple_app();
     void simple_app_shadowbuild();
     void simple_app_shadowbuild2();
+    void simple_app_versioned();
     void simple_lib();
     void simple_dll();
     void subdirs();
@@ -173,10 +174,15 @@ void tst_qmake::simple_app()
 {
     QString workDir = base_path + "/testdata/simple_app";
     QString destDir = workDir + "/dest dir";
+    QString installDir = workDir + "/dist";
 
-    QVERIFY( test_compiler.qmake( workDir, "simple_app" ));
+    QVERIFY( test_compiler.qmake( workDir, "simple_app", QString() ));
     QVERIFY( test_compiler.make( workDir ));
     QVERIFY( test_compiler.exists( destDir, "simple app", Exe, "1.0.0" ));
+
+    QVERIFY(test_compiler.make(workDir, "install"));
+    QVERIFY(test_compiler.exists(installDir, "simple app", Exe, "1.0.0"));
+
     QVERIFY( test_compiler.makeClean( workDir ));
     QVERIFY( test_compiler.exists( destDir, "simple app", Exe, "1.0.0" )); // Should still exist after a make clean
     QVERIFY( test_compiler.makeDistClean( workDir ));
@@ -216,6 +222,43 @@ void tst_qmake::simple_app_shadowbuild2()
     QVERIFY( test_compiler.removeMakefile( buildDir ) );
 }
 
+void tst_qmake::simple_app_versioned()
+{
+    QString workDir = base_path + "/testdata/simple_app";
+    QString buildDir = base_path + "/testdata/simple_app_versioned_build";
+    QString destDir = buildDir + "/dest dir";
+    QString installDir = buildDir + "/dist";
+
+    QString version = "4.5.6";
+    QVERIFY(test_compiler.qmake(workDir, "simple_app", buildDir, QStringList{ "VERSION=" + version }));
+    QString qmakeOutput = test_compiler.commandOutput();
+    QVERIFY(test_compiler.make(buildDir));
+    QVERIFY(test_compiler.exists(destDir, "simple app", Exe, version));
+
+    QString pdbFilePath;
+    bool checkPdb = qmakeOutput.contains("Project MESSAGE: check for pdb, please");
+    if (checkPdb) {
+        QString targetBase = QFileInfo(TestCompiler::targetName(Exe, "simple app", version))
+                .completeBaseName();
+        pdbFilePath = destDir + '/' + targetBase + ".pdb";
+        QVERIFY2(QFile::exists(pdbFilePath), qPrintable(pdbFilePath));
+        QVERIFY(test_compiler.make(buildDir, "install"));
+        QString installedPdbFilePath = installDir + '/' + targetBase + ".pdb";
+        QEXPECT_FAIL("", "QTBUG-74265", Continue);
+        QVERIFY2(QFile::exists(installedPdbFilePath), qPrintable(installedPdbFilePath));
+    }
+
+    QVERIFY(test_compiler.makeClean(buildDir));
+    QVERIFY(test_compiler.exists(destDir, "simple app", Exe, version));
+    QVERIFY(test_compiler.makeDistClean(buildDir));
+    QVERIFY(!test_compiler.exists(destDir, "simple app", Exe, version));
+    if (checkPdb) {
+        QEXPECT_FAIL("", "QTBUG-74265", Continue);
+        QVERIFY(!QFile::exists(pdbFilePath));
+    }
+    QVERIFY(test_compiler.removeMakefile(buildDir));
+}
+
 void tst_qmake::simple_dll()
 {
     QString workDir = base_path + "/testdata/simple_dll";
diff --git a/tests/auto/widgets/graphicsview/qgraphicsitem/BLACKLIST b/tests/auto/widgets/graphicsview/qgraphicsitem/BLACKLIST
new file mode 100644
index 0000000000..e760042def
--- /dev/null
+++ b/tests/auto/widgets/graphicsview/qgraphicsitem/BLACKLIST
@@ -0,0 +1,3 @@
+# QTBUG-74760
+[sorting]
+opensuse-42.3
diff --git a/tests/auto/widgets/kernel/qwidget/BLACKLIST b/tests/auto/widgets/kernel/qwidget/BLACKLIST
index 1f68308bbe..3287d67875 100644
--- a/tests/auto/widgets/kernel/qwidget/BLACKLIST
+++ b/tests/auto/widgets/kernel/qwidget/BLACKLIST
@@ -10,6 +10,7 @@ osx
 ubuntu-16.04
 ubuntu-18.04
 rhel-7.4
+rhel-7.6
 osx
 [focusProxyAndInputMethods]
 linux
diff --git a/tests/auto/widgets/widgets/qdoublespinbox/tst_qdoublespinbox.cpp b/tests/auto/widgets/widgets/qdoublespinbox/tst_qdoublespinbox.cpp
index b1610c297d..b101f47bcd 100644
--- a/tests/auto/widgets/widgets/qdoublespinbox/tst_qdoublespinbox.cpp
+++ b/tests/auto/widgets/widgets/qdoublespinbox/tst_qdoublespinbox.cpp
@@ -326,14 +326,26 @@ void tst_QDoubleSpinBox::setPrefixSuffix()
 
     QDoubleSpinBox spin(0);
     spin.setDecimals(decimals);
+    const QSize size1 = spin.sizeHint();
     spin.setPrefix(prefix);
+    const QSize size2 = spin.sizeHint();
     spin.setSuffix(suffix);
+    const QSize size3 = spin.sizeHint();
     spin.setValue(value);
     if (show)
         spin.show();
 
     QCOMPARE(spin.text(), expectedText);
     QCOMPARE(spin.cleanText(), expectedCleanText);
+
+    if (!prefix.isEmpty() && !suffix.isEmpty()) {
+        QVERIFY(size1.width() < size2.width());
+        QVERIFY(size2.width() < size3.width());
+        spin.setSuffix(QString());
+        QCOMPARE(spin.sizeHint(), size2);
+        spin.setPrefix(QString());
+        QCOMPARE(spin.sizeHint(), size1);
+    }
 }
 
 void tst_QDoubleSpinBox::valueChangedHelper(const QString &text)
diff --git a/tests/auto/widgets/widgets/qmainwindow/tst_qmainwindow.cpp b/tests/auto/widgets/widgets/qmainwindow/tst_qmainwindow.cpp
index 1acf07301c..ea96322654 100644
--- a/tests/auto/widgets/widgets/qmainwindow/tst_qmainwindow.cpp
+++ b/tests/auto/widgets/widgets/qmainwindow/tst_qmainwindow.cpp
@@ -1343,8 +1343,10 @@ void tst_QMainWindow::restoreState()
 {
     QMainWindow mw;
     QToolBar tb(&mw);
+    tb.setObjectName(QLatin1String("toolBar"));
     mw.addToolBar(Qt::TopToolBarArea, &tb);
     QDockWidget dw(&mw);
+    dw.setObjectName(QLatin1String("dock"));
     mw.addDockWidget(Qt::LeftDockWidgetArea, &dw);
 
     QByteArray state;
diff --git a/tests/auto/widgets/widgets/qspinbox/tst_qspinbox.cpp b/tests/auto/widgets/widgets/qspinbox/tst_qspinbox.cpp
index 7174c274f9..b9d6888263 100644
--- a/tests/auto/widgets/widgets/qspinbox/tst_qspinbox.cpp
+++ b/tests/auto/widgets/widgets/qspinbox/tst_qspinbox.cpp
@@ -462,8 +462,11 @@ void tst_QSpinBox::setPrefixSuffix()
     QFETCH(bool, show);
 
     QSpinBox spin(0);
+    const QSize size1 = spin.sizeHint();
     spin.setPrefix(prefix);
+    const QSize size2 = spin.sizeHint();
     spin.setSuffix(suffix);
+    const QSize size3 = spin.sizeHint();
     spin.setValue(value);
     if (show)
         spin.show();
@@ -472,6 +475,15 @@ void tst_QSpinBox::setPrefixSuffix()
     QCOMPARE(spin.suffix(), suffix);
     QCOMPARE(spin.text(), expectedText);
     QCOMPARE(spin.cleanText(), expectedCleanText);
+
+    if (!prefix.isEmpty() && !suffix.isEmpty()) {
+        QVERIFY(size1.width() < size2.width());
+        QVERIFY(size2.width() < size3.width());
+        spin.setSuffix(QString());
+        QCOMPARE(spin.sizeHint(), size2);
+        spin.setPrefix(QString());
+        QCOMPARE(spin.sizeHint(), size1);
+    }
 }
 
 void tst_QSpinBox::textChangedHelper(const QString &text)