diff --git a/src/libs/cplusplus/CppDocument.h b/src/libs/cplusplus/CppDocument.h
index 3829d6f4ce2..4518b37c9e2 100644
--- a/src/libs/cplusplus/CppDocument.h
+++ b/src/libs/cplusplus/CppDocument.h
@@ -293,9 +293,6 @@ public:
         { return _beginLine; }
 
     private:
-        void setArguments(const QVector<Block> &arguments)
-        { _arguments = arguments; }
-
         void addArgument(const Block &block)
         { _arguments.append(block); }
 
diff --git a/src/libs/cplusplus/ExpressionUnderCursor.cpp b/src/libs/cplusplus/ExpressionUnderCursor.cpp
index 6df396d8cfc..d53d0017752 100644
--- a/src/libs/cplusplus/ExpressionUnderCursor.cpp
+++ b/src/libs/cplusplus/ExpressionUnderCursor.cpp
@@ -225,18 +225,6 @@ int ExpressionUnderCursor::startOfExpression_helper(BackwardsScanner &tk, int in
     return index;
 }
 
-bool ExpressionUnderCursor::isAccessToken(const Token &tk)
-{
-    switch (tk.kind()) {
-    case T_COLON_COLON:
-    case T_DOT:      case T_ARROW:
-    case T_DOT_STAR: case T_ARROW_STAR:
-        return true;
-    default:
-        return false;
-    } // switch
-}
-
 QString ExpressionUnderCursor::operator()(const QTextCursor &cursor)
 {
     BackwardsScanner scanner(cursor, _languageFeatures);
diff --git a/src/libs/cplusplus/ExpressionUnderCursor.h b/src/libs/cplusplus/ExpressionUnderCursor.h
index 230e1967774..3ef515c8fc2 100644
--- a/src/libs/cplusplus/ExpressionUnderCursor.h
+++ b/src/libs/cplusplus/ExpressionUnderCursor.h
@@ -50,7 +50,6 @@ public:
 private:
     int startOfExpression(BackwardsScanner &tk, int index);
     int startOfExpression_helper(BackwardsScanner &tk, int index);
-    bool isAccessToken(const Token &tk);
 
 private:
     bool _jumpedComma;
diff --git a/src/libs/qmljs/qmljsinterpreter.cpp b/src/libs/qmljs/qmljsinterpreter.cpp
index 3627e7b1747..87ba3984860 100644
--- a/src/libs/qmljs/qmljsinterpreter.cpp
+++ b/src/libs/qmljs/qmljsinterpreter.cpp
@@ -1080,25 +1080,6 @@ void ObjectValue::accept(ValueVisitor *visitor) const
     visitor->visit(this);
 }
 
-bool ObjectValue::checkPrototype(const ObjectValue *, QSet<const ObjectValue *> *) const
-{
-#if 0
-    const int previousSize = processed->size();
-    processed->insert(this);
-
-    if (previousSize != processed->size()) {
-        if (this == proto)
-            return false;
-
-        if (prototype() && ! prototype()->checkPrototype(proto, processed))
-            return false;
-
-        return true;
-    }
-#endif
-    return false;
-}
-
 void ObjectValue::processMembers(MemberProcessor *processor) const
 {
     for (auto it = m_members.cbegin(), end = m_members.cend(); it != end; ++it) {
diff --git a/src/libs/qmljs/qmljsinterpreter.h b/src/libs/qmljs/qmljsinterpreter.h
index 66c54f15f0b..fee30531f91 100644
--- a/src/libs/qmljs/qmljsinterpreter.h
+++ b/src/libs/qmljs/qmljsinterpreter.h
@@ -526,10 +526,6 @@ public:
     QString originId() const
     { return m_originId; }
 
-
-private:
-    bool checkPrototype(const ObjectValue *prototype, QSet<const ObjectValue *> *processed) const;
-
 private:
     ValueOwner *m_valueOwner;
     QHash<QString, PropertyData> m_members;
diff --git a/src/libs/ssh/sshconnection.cpp b/src/libs/ssh/sshconnection.cpp
index 70073c008c7..00e7cc84a4f 100644
--- a/src/libs/ssh/sshconnection.cpp
+++ b/src/libs/ssh/sshconnection.cpp
@@ -128,8 +128,10 @@ struct SshConnection::SshConnectionPrivate
                     "-o", "Port=" + QString::number(connParams.port())};
         const bool keyOnly = connParams.authenticationType ==
                 SshConnectionParameters::AuthenticationTypeSpecificKey;
-        if (keyOnly)
+        if (keyOnly) {
+            args << "-o" << "IdentitiesOnly=yes";
             args << "-i" << connParams.privateKeyFile;
+        }
         if (keyOnly || SshSettings::askpassFilePath().isEmpty())
             args << "-o" << "BatchMode=yes";
         if (sharingEnabled)
diff --git a/src/plugins/android/androidavdmanager.cpp b/src/plugins/android/androidavdmanager.cpp
index f27247300e1..c000a623544 100644
--- a/src/plugins/android/androidavdmanager.cpp
+++ b/src/plugins/android/androidavdmanager.cpp
@@ -278,7 +278,7 @@ bool AndroidAvdManager::startAvdAsync(const QString &avdName) const
     if (AndroidConfigurations::force32bitEmulator())
         arguments << "-force-32bit";
 
-    arguments << "-partition-size" << QString::number(m_config.partitionSize())
+    arguments << m_config.emulatorArgs()
               << "-avd" << avdName;
     qCDebug(avdManagerLog) << "Running command (startAvdAsync):"
                            << CommandLine(m_config.emulatorToolPath(), arguments).toUserOutput();
diff --git a/src/plugins/android/androidconfigurations.cpp b/src/plugins/android/androidconfigurations.cpp
index 105bf9d40ec..0d342acb530 100644
--- a/src/plugins/android/androidconfigurations.cpp
+++ b/src/plugins/android/androidconfigurations.cpp
@@ -116,7 +116,7 @@ namespace {
     const QLatin1String OpenJDKLocationKey("OpenJDKLocation");
     const QLatin1String OpenSslPriLocationKey("OpenSSLPriLocation");
     const QLatin1String AutomaticKitCreationKey("AutomatiKitCreation");
-    const QLatin1String PartitionSizeKey("PartitionSize");
+    const QLatin1String EmulatorArgsKey("EmulatorArgs");
 
     const QLatin1String ArmToolchainPrefix("arm-linux-androideabi");
     const QLatin1String X86ToolchainPrefix("x86");
@@ -224,7 +224,8 @@ QLatin1String AndroidConfig::displayName(const Abi &abi)
 void AndroidConfig::load(const QSettings &settings)
 {
     // user settings
-    m_partitionSize = settings.value(PartitionSizeKey, 1024).toInt();
+    m_emulatorArgs = settings.value(EmulatorArgsKey,
+                         QStringList({"-netdelay", "none", "-netspeed", "full"})).toStringList();
     m_sdkLocation = FilePath::fromString(settings.value(SDKLocationKey).toString());
     m_customNdkList = settings.value(CustomNdkLocationsKey).toStringList();
     m_sdkManagerToolArgs = settings.value(SDKManagerToolArgsKey).toStringList();
@@ -262,7 +263,7 @@ void AndroidConfig::save(QSettings &settings) const
     settings.setValue(SDKManagerToolArgsKey, m_sdkManagerToolArgs);
     settings.setValue(OpenJDKLocationKey, m_openJDKLocation.toString());
     settings.setValue(OpenSslPriLocationKey, m_openSslLocation.toString());
-    settings.setValue(PartitionSizeKey, m_partitionSize);
+    settings.setValue(EmulatorArgsKey, m_emulatorArgs);
     settings.setValue(AutomaticKitCreationKey, m_automaticKitCreation);
     settings.setValue(SdkFullyConfiguredKey, m_sdkFullyConfigured);
 }
@@ -990,14 +991,14 @@ QString AndroidConfig::toolchainHostFromNdk(const FilePath &ndkPath) const
     return toolchainHost;
 }
 
-unsigned AndroidConfig::partitionSize() const
+QStringList AndroidConfig::emulatorArgs() const
 {
-    return m_partitionSize;
+    return m_emulatorArgs;
 }
 
-void AndroidConfig::setPartitionSize(unsigned partitionSize)
+void AndroidConfig::setEmulatorArgs(const QStringList &args)
 {
-    m_partitionSize = partitionSize;
+    m_emulatorArgs = args;
 }
 
 bool AndroidConfig::automaticKitCreation() const
diff --git a/src/plugins/android/androidconfigurations.h b/src/plugins/android/androidconfigurations.h
index 547be33d0a9..edfbfa2704b 100644
--- a/src/plugins/android/androidconfigurations.h
+++ b/src/plugins/android/androidconfigurations.h
@@ -146,8 +146,8 @@ public:
     QString toolchainHost(const QtSupport::BaseQtVersion *qtVersion) const;
     QString toolchainHostFromNdk(const Utils::FilePath &ndkPath) const;
 
-    unsigned partitionSize() const;
-    void setPartitionSize(unsigned partitionSize);
+    QStringList emulatorArgs() const;
+    void setEmulatorArgs(const QStringList &args);
 
     bool automaticKitCreation() const;
     void setAutomaticKitCreation(bool b);
@@ -215,7 +215,7 @@ private:
     Utils::FilePath m_openJDKLocation;
     Utils::FilePath m_keystoreLocation;
     Utils::FilePath m_openSslLocation;
-    unsigned m_partitionSize = 1024;
+    QStringList m_emulatorArgs;
     bool m_automaticKitCreation = true;
     QUrl m_sdkToolsUrl;
     QByteArray m_sdkToolsSha256;
diff --git a/src/plugins/android/androidsettingswidget.cpp b/src/plugins/android/androidsettingswidget.cpp
index 49038bd0a41..6bbca51d98f 100644
--- a/src/plugins/android/androidsettingswidget.cpp
+++ b/src/plugins/android/androidsettingswidget.cpp
@@ -52,6 +52,7 @@
 #include <QDir>
 #include <QFileDialog>
 #include <QFutureWatcher>
+#include <QInputDialog>
 #include <QList>
 #include <QLoggingCategory>
 #include <QMessageBox>
@@ -119,7 +120,7 @@ private:
     void removeAVD();
     void startAVD();
     void avdActivated(const QModelIndex &);
-    void dataPartitionSizeEditingFinished();
+    void editEmulatorArgsAVD();
     void createKitToggled();
 
     void updateUI();
@@ -428,7 +429,6 @@ AndroidSettingsWidget::AndroidSettingsWidget()
         m_androidConfig.setOpenSslLocation(m_androidConfig.sdkLocation() / ("android_openssl"));
     m_ui.openSslPathChooser->setFilePath(m_androidConfig.openSslLocation());
 
-    m_ui.DataPartitionSizeSpinBox->setValue(m_androidConfig.partitionSize());
     m_ui.CreateKitCheckBox->setChecked(m_androidConfig.automaticKitCreation());
     m_ui.AVDTableView->setModel(&m_AVDModel);
     m_ui.AVDTableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
@@ -489,8 +489,8 @@ AndroidSettingsWidget::AndroidSettingsWidget()
             this, &AndroidSettingsWidget::avdActivated);
     connect(m_ui.AVDTableView, &QAbstractItemView::clicked,
             this, &AndroidSettingsWidget::avdActivated);
-    connect(m_ui.DataPartitionSizeSpinBox, &QAbstractSpinBox::editingFinished,
-            this, &AndroidSettingsWidget::dataPartitionSizeEditingFinished);
+    connect(m_ui.AVDAdvancedOptionsPushButton, &QAbstractButton::clicked,
+            this, &AndroidSettingsWidget::editEmulatorArgsAVD);
     connect(m_ui.CreateKitCheckBox, &QAbstractButton::toggled,
             this, &AndroidSettingsWidget::createKitToggled);
     connect(m_ui.downloadNDKToolButton, &QAbstractButton::clicked,
@@ -807,9 +807,25 @@ void AndroidSettingsWidget::avdActivated(const QModelIndex &index)
     m_ui.AVDStartPushButton->setEnabled(index.isValid());
 }
 
-void AndroidSettingsWidget::dataPartitionSizeEditingFinished()
+void AndroidSettingsWidget::editEmulatorArgsAVD()
 {
-    m_androidConfig.setPartitionSize(m_ui.DataPartitionSizeSpinBox->value());
+    const QString helpUrl =
+            "https://developer.android.com/studio/run/emulator-commandline#startup-options";
+
+    QInputDialog dialog(this);
+    dialog.setWindowTitle(tr("Emulator Command-line Startup Options"));
+    dialog.setLabelText(tr("Emulator command-line startup options (<a href=\"%1\">Help Web Page</a>):").arg(helpUrl));
+    dialog.setTextValue(m_androidConfig.emulatorArgs().join(' '));
+
+    if (auto label = dialog.findChild<QLabel*>()) {
+        label->setOpenExternalLinks(true);
+        label->setMinimumWidth(500);
+    }
+
+    if (dialog.exec() != QDialog::Accepted)
+        return;
+
+    m_androidConfig.setEmulatorArgs(QtcProcess::splitArgs(dialog.textValue()));
 }
 
 void AndroidSettingsWidget::createKitToggled()
diff --git a/src/plugins/android/androidsettingswidget.ui b/src/plugins/android/androidsettingswidget.ui
index d29a6073cf7..a43f830f53b 100644
--- a/src/plugins/android/androidsettingswidget.ui
+++ b/src/plugins/android/androidsettingswidget.ui
@@ -313,32 +313,6 @@
        </item>
        <item>
         <layout class="QVBoxLayout" name="verticalLayout_2">
-         <item>
-          <widget class="QLabel" name="DataPartitionSizeLable">
-           <property name="text">
-            <string>System/data partition size:</string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QSpinBox" name="DataPartitionSizeSpinBox">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="suffix">
-            <string> Mb</string>
-           </property>
-           <property name="maximum">
-            <number>99999</number>
-           </property>
-           <property name="value">
-            <number>1024</number>
-           </property>
-          </widget>
-         </item>
          <item>
           <widget class="QPushButton" name="AVDStartPushButton">
            <property name="enabled">
@@ -420,6 +394,13 @@
            </property>
           </spacer>
          </item>
+         <item>
+          <widget class="QPushButton" name="AVDAdvancedOptionsPushButton">
+           <property name="text">
+            <string>Advanced Options...</string>
+           </property>
+          </widget>
+         </item>
         </layout>
        </item>
       </layout>
diff --git a/src/plugins/autotoolsprojectmanager/makefileparser.cpp b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
index 0feb64ec498..7ad9f1097ae 100644
--- a/src/plugins/autotoolsprojectmanager/makefileparser.cpp
+++ b/src/plugins/autotoolsprojectmanager/makefileparser.cpp
@@ -154,7 +154,7 @@ MakefileParser::TopTarget MakefileParser::topTarget() const
         return BuiltSources;
     if (id == QLatin1String("SUBDIRS") || id == QLatin1String("DIST_SUBDIRS"))
         return SubDirs;
-    if (id.endsWith(QLatin1String("_SOURCES")))
+    if (id.endsWith("_SOURCES") || id.endsWith("_HEADERS"))
         return Sources;
 
     return Undefined;
@@ -174,7 +174,7 @@ void MakefileParser::parseBinPrograms()
 
 void MakefileParser::parseSources()
 {
-    QTC_ASSERT(m_line.contains(QLatin1String("_SOURCES")), return);
+    QTC_ASSERT(m_line.contains("_SOURCES") || m_line.contains("_HEADERS"), return);
 
     bool hasVariables = false;
     m_sources.append(targetValues(&hasVariables));
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp b/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
index 2ed74611e71..dd948a6ac28 100644
--- a/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp
@@ -136,41 +136,6 @@ void Selector::mouseRelease(QMouseEvent *event, GraphicsScene *scene)
     m_rect = QRectF();
 }
 
-bool Selector::isOverMovableItem(const QPointF &pos, GraphicsScene *scene)
-{
-    auto intersect = [pos](QGraphicsObject *item) {
-        return item->mapRectToScene(item->boundingRect()).contains(pos);
-    };
-
-    const auto frames = scene->keyframes();
-    for (auto *frame : frames) {
-        if (intersect(frame))
-            return true;
-
-        if (auto *leftHandle = frame->leftHandle()) {
-            if (intersect(leftHandle))
-                return true;
-        }
-
-        if (auto *rightHandle = frame->rightHandle()) {
-            if (intersect(rightHandle))
-                return true;
-        }
-    }
-    return false;
-}
-
-bool Selector::isOverSelectedKeyframe(const QPointF &pos, GraphicsScene *scene)
-{
-    const auto frames = scene->selectedKeyframes();
-    for (auto *frame : frames) {
-        QRectF frameRect = frame->mapRectToScene(frame->boundingRect());
-        if (frameRect.contains(pos))
-            return true;
-    }
-    return false;
-}
-
 bool Selector::select(const SelectionTool &tool, const QPointF &pos, GraphicsScene *scene)
 {
     auto selectWidthTool = [this,
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/selector.h b/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
index 5b722439089..68674c838de 100644
--- a/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/selector.h
@@ -50,10 +50,6 @@ public:
     void mouseRelease(QMouseEvent *event, GraphicsScene *scene);
 
 private:
-    bool isOverSelectedKeyframe(const QPointF &pos, GraphicsScene *scene);
-
-    bool isOverMovableItem(const QPointF &pos, GraphicsScene *scene);
-
     bool select(const SelectionTool &tool, const QPointF &pos, GraphicsScene *scene);
 
     bool pressSelection(SelectionMode mode, const QPointF &pos, GraphicsScene *scene);
diff --git a/src/plugins/qmldesigner/designercore/include/itemlibraryinfo.h b/src/plugins/qmldesigner/designercore/include/itemlibraryinfo.h
index 7cfa0ae1ab5..b7f67259782 100644
--- a/src/plugins/qmldesigner/designercore/include/itemlibraryinfo.h
+++ b/src/plugins/qmldesigner/designercore/include/itemlibraryinfo.h
@@ -68,6 +68,7 @@ public:
     QString qmlPath() const;
     QString qmlSource() const;
     QString requiredImport() const;
+    QString customComponentSource() const;
 
     using Property = QmlDesigner::PropertyContainer;
 
@@ -84,6 +85,7 @@ public:
     void setQmlPath(const QString &qml);
     void setRequiredImport(const QString &requiredImport);
     void addHints(const QHash<QString, QString> &hints);
+    void setCustomComponentSource(const QString &source);
 
 private:
     std::shared_ptr<Internal::ItemLibraryEntryData> m_data;
diff --git a/src/plugins/qmldesigner/designercore/metainfo/itemlibraryinfo.cpp b/src/plugins/qmldesigner/designercore/metainfo/itemlibraryinfo.cpp
index 1464084b67e..2c60f694a0c 100644
--- a/src/plugins/qmldesigner/designercore/metainfo/itemlibraryinfo.cpp
+++ b/src/plugins/qmldesigner/designercore/metainfo/itemlibraryinfo.cpp
@@ -50,6 +50,7 @@ public:
     QString qmlSource;
     QString requiredImport;
     QHash<QString, QString> hints;
+    QString customComponentSource;
 };
 
 } // namespace Internal
@@ -104,6 +105,11 @@ QString ItemLibraryEntry::requiredImport() const
     return m_data->requiredImport;
 }
 
+QString ItemLibraryEntry::customComponentSource() const
+{
+    return m_data->customComponentSource;
+}
+
 int ItemLibraryEntry::majorVersion() const
 {
     return m_data->majorVersion;
@@ -178,6 +184,11 @@ void ItemLibraryEntry::addHints(const QHash<QString, QString> &hints)
     Utils::addToHash(&m_data->hints, hints);
 }
 
+void ItemLibraryEntry::setCustomComponentSource(const QString &source)
+{
+    m_data->customComponentSource = source;
+}
+
 void ItemLibraryEntry::addProperty(PropertyName &name, QString &type, QVariant &value)
 {
     Property property;
@@ -200,6 +211,7 @@ QDataStream& operator<<(QDataStream& stream, const ItemLibraryEntry &itemLibrary
     stream << itemLibraryEntry.m_data->properties;
     stream << itemLibraryEntry.m_data->qml;
     stream << itemLibraryEntry.m_data->qmlSource;
+    stream << itemLibraryEntry.m_data->customComponentSource;
 
     return stream;
 }
@@ -223,6 +235,7 @@ QDataStream& operator>>(QDataStream& stream, ItemLibraryEntry &itemLibraryEntry)
     stream >> itemLibraryEntry.m_data->properties;
     stream >> itemLibraryEntry.m_data->qml;
     stream >> itemLibraryEntry.m_data->qmlSource;
+    stream >> itemLibraryEntry.m_data->customComponentSource;
 
     return stream;
 }
@@ -242,6 +255,7 @@ QDebug operator<<(QDebug debug, const ItemLibraryEntry &itemLibraryEntry)
     debug << itemLibraryEntry.m_data->properties;
     debug << itemLibraryEntry.m_data->qml;
     debug << itemLibraryEntry.m_data->qmlSource;
+    debug << itemLibraryEntry.m_data->customComponentSource;
 
     return debug.space();
 }
diff --git a/src/plugins/qmldesigner/designercore/metainfo/subcomponentmanager.cpp b/src/plugins/qmldesigner/designercore/metainfo/subcomponentmanager.cpp
index 3a550053a09..755ceeabc1c 100644
--- a/src/plugins/qmldesigner/designercore/metainfo/subcomponentmanager.cpp
+++ b/src/plugins/qmldesigner/designercore/metainfo/subcomponentmanager.cpp
@@ -336,6 +336,7 @@ void SubComponentManager::registerQmlFile(const QFileInfo &fileInfo, const QStri
         itemLibraryEntry.setType(componentName.toUtf8());
         itemLibraryEntry.setName(baseComponentName);
         itemLibraryEntry.setCategory(tr("My QML Components"));
+        itemLibraryEntry.setCustomComponentSource(fileInfo.absoluteFilePath());
         if (!qualifier.isEmpty()) {
             itemLibraryEntry.setRequiredImport(fixedQualifier);
         }
diff --git a/tests/manual/autotoolsprojectmanager/Makefile.am b/tests/manual/autotoolsprojectmanager/Makefile.am
index 70dce9f4fe9..84c160f1cac 100644
--- a/tests/manual/autotoolsprojectmanager/Makefile.am
+++ b/tests/manual/autotoolsprojectmanager/Makefile.am
@@ -1,7 +1,7 @@
 ACLOCAL_AMFLAGS = -I m4
 
 lib_LTLIBRARIES = libfoo.la
-libfoo_la_SOURCES = foo.c
+libfoo_la_SOURCES = foo.c foo.h
 
 bin_PROGRAMS = main
 main_SOURCES = main.c