diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 227bf790c5c..0a750d44a45 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -124,9 +124,8 @@ function(_setup_qhelpgenerator_targets _qdocconf_file _html_outputdir)
     set(_arg_QCH_DIR "${CMAKE_CURRENT_BINARY_DIR}/doc")
   endif()
 
-  _doc_find_program(_qhelpgenerator NAMES qhelpgenerator qhelpgenerator-qt5)
-  if (_qhelpgenerator STREQUAL "_qhelpgenerator-NOTFOUND")
-    message(WARNING "No qhelpgenerator binary found: No QCH documentation targets were generated")
+  if (NOT TARGET Qt5::qhelpgenerator)
+    message(WARNING "qhelpgenerator missing: No QCH documentation targets were generated")
     return()
   endif()
 
@@ -138,7 +137,7 @@ function(_setup_qhelpgenerator_targets _qdocconf_file _html_outputdir)
   set(_qch_target "qch_docs_${_target}")
   set(_html_target "html_docs_${_target}")
   add_custom_target("${_qch_target}"
-    "${_qhelpgenerator}" "${_html_outputdir}/${_target}.qhp" -o "${_qch_outputdir}/${_target}.qch"
+    Qt5::qhelpgenerator "${_html_outputdir}/${_target}.qhp" -o "${_qch_outputdir}/${_target}.qch"
     COMMENT "Build QCH documentation from ${_qdocconf_file}"
     WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
     VERBATIM
diff --git a/src/libs/qmldebug/qmldebugcommandlinearguments.h b/src/libs/qmldebug/qmldebugcommandlinearguments.h
index 0e265c27ccf..0c9979647aa 100644
--- a/src/libs/qmldebug/qmldebugcommandlinearguments.h
+++ b/src/libs/qmldebug/qmldebugcommandlinearguments.h
@@ -39,7 +39,7 @@ enum QmlDebugServicesPreset {
     QmlPreviewServices
 };
 
-static inline QString qmlDebugServices(QmlDebugServicesPreset preset)
+inline QString qmlDebugServices(QmlDebugServicesPreset preset)
 {
     switch (preset) {
     case NoQmlDebugServices:
@@ -58,7 +58,7 @@ static inline QString qmlDebugServices(QmlDebugServicesPreset preset)
     }
 }
 
-static inline QString qmlDebugCommandLineArguments(QmlDebugServicesPreset services,
+inline QString qmlDebugCommandLineArguments(QmlDebugServicesPreset services,
                                                    const QString &connectionMode, bool block)
 {
     if (services == NoQmlDebugServices)
@@ -68,19 +68,19 @@ static inline QString qmlDebugCommandLineArguments(QmlDebugServicesPreset servic
             .arg(QLatin1String(block ? ",block" : "")).arg(qmlDebugServices(services));
 }
 
-static inline QString qmlDebugTcpArguments(QmlDebugServicesPreset services,
-                                           Utils::Port port, bool block = true)
+inline QString qmlDebugTcpArguments(QmlDebugServicesPreset services,
+                                    Utils::Port port, bool block = true)
 {
     return qmlDebugCommandLineArguments(services, QString("port:%1").arg(port.number()), block);
 }
 
-static inline QString qmlDebugNativeArguments(QmlDebugServicesPreset services, bool block = true)
+inline QString qmlDebugNativeArguments(QmlDebugServicesPreset services, bool block = true)
 {
     return qmlDebugCommandLineArguments(services, QLatin1String("native"), block);
 }
 
-static inline QString qmlDebugLocalArguments(QmlDebugServicesPreset services, const QString &socket,
-                                             bool block = true)
+inline QString qmlDebugLocalArguments(QmlDebugServicesPreset services, const QString &socket,
+                                      bool block = true)
 {
     return qmlDebugCommandLineArguments(services, QLatin1String("file:") + socket, block);
 }
diff --git a/src/plugins/compilationdatabaseprojectmanager/compilationdatabaseutils.cpp b/src/plugins/compilationdatabaseprojectmanager/compilationdatabaseutils.cpp
index 96434540d2d..1affca78fa3 100644
--- a/src/plugins/compilationdatabaseprojectmanager/compilationdatabaseutils.cpp
+++ b/src/plugins/compilationdatabaseprojectmanager/compilationdatabaseutils.cpp
@@ -186,7 +186,7 @@ void filteredFlags(const QString &fileName,
 
         if (flag.startsWith("--sysroot=")) {
             if (sysRoot.isEmpty())
-                sysRoot = flag.mid(10);
+                sysRoot = updatedPathFlag(flag.mid(10), workingDir);
             continue;
         }
 
diff --git a/src/plugins/debugger/debuggerdialogs.cpp b/src/plugins/debugger/debuggerdialogs.cpp
index 329f11a81b1..450cb575f7e 100644
--- a/src/plugins/debugger/debuggerdialogs.cpp
+++ b/src/plugins/debugger/debuggerdialogs.cpp
@@ -150,7 +150,7 @@ public:
     Runnable runnable;
     bool breakAtMain = false;
     bool runInTerminal = false;
-    QString serverStartScript;
+    FilePath serverStartScript;
     QString debugInfoLocation;
 };
 
@@ -198,7 +198,7 @@ void StartApplicationParameters::toSettings(QSettings *settings) const
     settings->setValue("LastExternalWorkingDirectory", runnable.workingDirectory);
     settings->setValue("LastExternalBreakAtMain", breakAtMain);
     settings->setValue("LastExternalRunInTerminal", runInTerminal);
-    settings->setValue("LastServerStartScript", serverStartScript);
+    settings->setValue("LastServerStartScript", serverStartScript.toVariant());
     settings->setValue("LastDebugInfoLocation", debugInfoLocation);
 }
 
@@ -212,7 +212,7 @@ void StartApplicationParameters::fromSettings(const QSettings *settings)
     runnable.workingDirectory = settings->value("LastExternalWorkingDirectory").toString();
     breakAtMain = settings->value("LastExternalBreakAtMain").toBool();
     runInTerminal = settings->value("LastExternalRunInTerminal").toBool();
-    serverStartScript = settings->value("LastServerStartScript").toString();
+    serverStartScript = FilePath::fromVariant(settings->value("LastServerStartScript"));
     debugInfoLocation = settings->value("LastDebugInfoLocation").toString();
 }
 
@@ -475,7 +475,7 @@ StartApplicationParameters StartApplicationDialog::parameters() const
     result.serverPort = d->serverPortSpinBox->value();
     result.serverAddress = d->channelOverrideEdit->text();
     result.runnable.executable = d->localExecutablePathChooser->path();
-    result.serverStartScript = d->serverStartScriptPathChooser->path();
+    result.serverStartScript = d->serverStartScriptPathChooser->fileName();
     result.kitId = d->kitChooser->currentKitId();
     result.debugInfoLocation = d->debuginfoPathChooser->path();
     result.runnable.commandLineArguments = d->arguments->text();
@@ -491,7 +491,7 @@ void StartApplicationDialog::setParameters(const StartApplicationParameters &p)
     d->serverPortSpinBox->setValue(p.serverPort);
     d->channelOverrideEdit->setText(p.serverAddress);
     d->localExecutablePathChooser->setPath(p.runnable.executable);
-    d->serverStartScriptPathChooser->setPath(p.serverStartScript);
+    d->serverStartScriptPathChooser->setFileName(p.serverStartScript);
     d->debuginfoPathChooser->setPath(p.debugInfoLocation);
     d->arguments->setText(p.runnable.commandLineArguments);
     d->workingDirectory->setPath(p.runnable.workingDirectory);
diff --git a/src/plugins/debugger/debuggerruncontrol.cpp b/src/plugins/debugger/debuggerruncontrol.cpp
index e2b79cf9b35..245f3a15dad 100644
--- a/src/plugins/debugger/debuggerruncontrol.cpp
+++ b/src/plugins/debugger/debuggerruncontrol.cpp
@@ -98,8 +98,8 @@ class LocalProcessRunner : public RunWorker
     Q_DECLARE_TR_FUNCTIONS(Debugger::Internal::LocalProcessRunner)
 
 public:
-    LocalProcessRunner(DebuggerRunTool *runTool, const Runnable &runnable)
-        : RunWorker(runTool->runControl()), m_runTool(runTool), m_runnable(runnable)
+    LocalProcessRunner(DebuggerRunTool *runTool, const CommandLine &command)
+        : RunWorker(runTool->runControl()), m_runTool(runTool), m_command(command)
     {
         connect(&m_proc, &QProcess::errorOccurred,
                 this, &LocalProcessRunner::handleError);
@@ -113,7 +113,7 @@ public:
 
     void start() override
     {
-        m_proc.setCommand(m_runnable.commandLine());
+        m_proc.setCommand(m_command);
         m_proc.start();
     }
 
@@ -181,7 +181,7 @@ public:
     }
 
     QPointer<DebuggerRunTool> m_runTool;
-    Runnable m_runnable;
+    CommandLine m_command;
     Utils::QtcProcess m_proc;
 };
 
@@ -400,14 +400,12 @@ void DebuggerRunTool::setCommandsForReset(const QString &commands)
     m_runParameters.commandsForReset = commands;
 }
 
-void DebuggerRunTool::setServerStartScript(const QString &serverStartScript)
+void DebuggerRunTool::setServerStartScript(const FilePath &serverStartScript)
 {
     if (!serverStartScript.isEmpty()) {
         // Provide script information about the environment
-        Runnable serverStarter;
-        serverStarter.executable = serverStartScript;
-        QtcProcess::addArg(&serverStarter.commandLineArguments, m_runParameters.inferior.executable);
-        QtcProcess::addArg(&serverStarter.commandLineArguments, m_runParameters.remoteChannel);
+        CommandLine serverStarter(serverStartScript, {});
+        serverStarter.addArgs({m_runParameters.inferior.executable, m_runParameters.remoteChannel});
         addStartDependency(new LocalProcessRunner(this, serverStarter));
     }
 }
diff --git a/src/plugins/debugger/debuggerruncontrol.h b/src/plugins/debugger/debuggerruncontrol.h
index cf2227e7a1a..f5512dd9911 100644
--- a/src/plugins/debugger/debuggerruncontrol.h
+++ b/src/plugins/debugger/debuggerruncontrol.h
@@ -110,7 +110,7 @@ public:
     void setCommandsAfterConnect(const QString &commands);
     void setCommandsForReset(const QString &commands);
 
-    void setServerStartScript(const QString &serverStartScript);
+    void setServerStartScript(const Utils::FilePath &serverStartScript);
     void setDebugInfoLocation(const QString &debugInfoLocation);
 
     void setQmlServer(const QUrl &qmlServer);
diff --git a/src/plugins/pythoneditor/pythoneditorplugin.cpp b/src/plugins/pythoneditor/pythoneditorplugin.cpp
index 889880dc863..d07c68cd9a0 100644
--- a/src/plugins/pythoneditor/pythoneditorplugin.cpp
+++ b/src/plugins/pythoneditor/pythoneditorplugin.cpp
@@ -299,11 +299,12 @@ void PythonRunConfiguration::updateTargetInformation()
 
 Runnable PythonRunConfiguration::runnable() const
 {
+    CommandLine cmd{executable(), {}};
+    cmd.addArg(mainScript());
+    cmd.addArgs(aspect<ArgumentsAspect>()->arguments(macroExpander()));
+
     Runnable r;
-    QtcProcess::addArg(&r.commandLineArguments, mainScript());
-    QtcProcess::addArgs(&r.commandLineArguments,
-                        aspect<ArgumentsAspect>()->arguments(macroExpander()));
-    r.executable = executable().toString();
+    r.setCommandLine(cmd);
     r.environment = aspect<EnvironmentAspect>()->environment();
     return r;
 }
diff --git a/src/plugins/studiowelcome/qml/splashscreen/Welcome_splash.qml b/src/plugins/studiowelcome/qml/splashscreen/Welcome_splash.qml
index 8bee408f4fb..2ef36045f27 100644
--- a/src/plugins/studiowelcome/qml/splashscreen/Welcome_splash.qml
+++ b/src/plugins/studiowelcome/qml/splashscreen/Welcome_splash.qml
@@ -80,7 +80,7 @@ Image {
         width: 270
         height: 24
         color: "#ffffff"
-        text: qsTr("Copyright 2008 - 2018 The Qt Company")
+        text: qsTr("Copyright 2008 - 2019 The Qt Company")
         font.pixelSize: 16
         font.family: StudioFonts.titilliumWeb_light
     }
diff --git a/src/plugins/studiowelcome/qml/splashscreen/welcome_screens.qmlproject b/src/plugins/studiowelcome/qml/splashscreen/welcome_screens.qmlproject
index 415e8f203dc..de393d88b07 100644
--- a/src/plugins/studiowelcome/qml/splashscreen/welcome_screens.qmlproject
+++ b/src/plugins/studiowelcome/qml/splashscreen/welcome_screens.qmlproject
@@ -39,7 +39,7 @@ Project {
         directory: "."
     }
     /* List of plugin directories passed to QML runtime */
-    importPaths: [ "../../../../share/3rdparty/studiofonts" ]
+    importPaths: [ "imports", "mockData", "../../../../share/3rdparty/studiofonts" ]
 
     Environment {
         QT_AUTO_SCREEN_SCALE_FACTOR: "1"
diff --git a/src/plugins/studiowelcome/studiowelcomeplugin.cpp b/src/plugins/studiowelcome/studiowelcomeplugin.cpp
index 01388686ebd..99520c558d5 100644
--- a/src/plugins/studiowelcome/studiowelcomeplugin.cpp
+++ b/src/plugins/studiowelcome/studiowelcomeplugin.cpp
@@ -189,6 +189,12 @@ bool StudioWelcomePlugin::initialize(const QStringList &arguments, QString *erro
     qmlRegisterType<ProjectModel>("projectmodel", 1, 0, "ProjectModel");
 
     m_welcomeMode = new WelcomeMode;
+
+    QFontDatabase fonts;
+    QFontDatabase::addApplicationFont(":/studiofonts/TitilliumWeb-Regular.ttf");
+    QFont systemFont("Titillium Web", QApplication::font().pointSize());
+    QApplication::setFont(systemFont);
+
     return true;
 }
 
diff --git a/src/tools/sdktool/sdktool.pro b/src/tools/sdktool/sdktool.pro
index 434da257c5e..9869d50dc46 100644
--- a/src/tools/sdktool/sdktool.pro
+++ b/src/tools/sdktool/sdktool.pro
@@ -37,6 +37,7 @@ SOURCES += \
     $$UTILS/qtcassert.cpp \
     $$UTILS/qtcprocess.cpp \
     $$UTILS/savefile.cpp \
+    $$UTILS/stringutils.cpp
 
 HEADERS += \
     addabiflavor.h \
diff --git a/src/tools/sdktool/sdktool.qbs b/src/tools/sdktool/sdktool.qbs
index 1c672d783e5..c26db6ad3fb 100644
--- a/src/tools/sdktool/sdktool.qbs
+++ b/src/tools/sdktool/sdktool.qbs
@@ -72,7 +72,8 @@ QtcTool {
             "persistentsettings.cpp", "persistentsettings.h",
             "qtcassert.cpp", "qtcassert.h",
             "qtcprocess.cpp", "qtcprocess.h",
-            "savefile.cpp", "savefile.h"
+            "savefile.cpp", "savefile.h",
+            "stringutils.cpp"
         ]
     }
     Group {
diff --git a/tests/unit/unittest/compilationdatabaseutils-test.cpp b/tests/unit/unittest/compilationdatabaseutils-test.cpp
index 11ad1f4cf7d..cae74fa807f 100644
--- a/tests/unit/unittest/compilationdatabaseutils-test.cpp
+++ b/tests/unit/unittest/compilationdatabaseutils-test.cpp
@@ -97,7 +97,8 @@ TEST_F(CompilationDatabaseUtils, FilterArguments)
                     QString::fromUtf8(HostOsInfo::isWindowsHost() ? winPath2 : otherPath2),
                     "-x",
                     "c++",
-                    "--sysroot=C:\\sysroot\\embedded",
+                    QString("--sysroot=") + (HostOsInfo::isWindowsHost()
+                        ? "C:\\sysroot\\embedded" : "/opt/sysroot/embedded"),
                     "C:\\qt-creator\\src\\plugins\\cpptools\\compileroptionsbuilder.cpp"},
         "compileroptionsbuilder");
 
@@ -120,7 +121,8 @@ TEST_F(CompilationDatabaseUtils, FilterArguments)
                           {"RELATIVE_PLUGIN_PATH", "\"../lib/qtcreator/plugins\""},
                           {"QT_CREATOR", "1"}}));
     ASSERT_THAT(fileKind, CppTools::ProjectFile::Kind::CXXSource);
-    ASSERT_THAT(sysRoot, QString("C:\\sysroot\\embedded"));
+    ASSERT_THAT(sysRoot, HostOsInfo::isWindowsHost() ? QString("C:\\sysroot\\embedded")
+                                                     : QString("/opt/sysroot/embedded"));
 }
 
 static QString kCmakeCommand