diff --git a/kcms/lookandfeel/kcm.h b/kcms/lookandfeel/kcm.h
--- a/kcms/lookandfeel/kcm.h
+++ b/kcms/lookandfeel/kcm.h
@@ -90,6 +90,8 @@
     void setWindowSwitcher(const QString &theme);
     void setDesktopSwitcher(const QString &theme);
     void setWindowDecoration(const QString &library, const QString &theme);
+    void setLatteLayout(const QString &theme);
+    void setBorderlessMaximised(const QString &theme);
 
     void setApplyColors(bool apply);
     bool applyColors() const;
diff --git a/kcms/lookandfeel/kcm.cpp b/kcms/lookandfeel/kcm.cpp
--- a/kcms/lookandfeel/kcm.cpp
+++ b/kcms/lookandfeel/kcm.cpp
@@ -296,6 +296,16 @@
         if (m_applyWidgetStyle) {
             setWidgetStyle(cg.readEntry("widgetStyle", QString()));
         }
+        
+        if (m_resetDefaultLayout) {            
+            cg = KConfigGroup(conf, "lattedockrc");
+            cg = KConfigGroup(&cg, "UniversalSettings");
+            setLatteLayout(cg.readEntry("currentLayout", QString()));
+            
+            KConfigGroup cg2(conf, "kwinrc");
+            cg2 = KConfigGroup(&cg2, "Windows");
+            setBorderlessMaximised(cg2.readEntry("BorderlessMaximizedWindows", QString()));
+        }
 
         if (m_applyColors) {
             QString colorsFile = package.filePath("colors");
@@ -423,10 +433,22 @@
                 }
             }
         }
+        //TODO: option to enable/disable apply? they don't seem required by UI design
+        cg = KConfigGroup(conf, "ksplashrc");
+        cg = KConfigGroup(&cg, "KSplash");
+        QString splashScreen = (cg.readEntry("Theme", QString()));
+        // Retain compatibility with certain Look & Feels - L&Fs without a specified Splash Screen will have the splash screen set to their theme name instead
+        if (!splashScreen.isEmpty()) {
+            setSplashScreen(splashScreen);
+        } else {
+            setSplashScreen(m_selectedPlugin);
+        }
+    } else {
+        // The old behaviour was to set the Splash Screen regardless of whether there was a defaults file or not, therefore we'll use the old behaviour still if there's NO defaults file found
+        setSplashScreen(m_selectedPlugin);
     }
 
     //TODO: option to enable/disable apply? they don't seem required by UI design
-    setSplashScreen(m_selectedPlugin);
     setLockScreen(m_selectedPlugin);
 
     m_configGroup.sync();
@@ -575,6 +597,55 @@
 #endif
 }
 
+void KCMLookandFeel::setLatteLayout(const QString &theme)
+{
+    
+    if (theme.isEmpty()) {
+        return;
+    }
+    
+    if (QString(theme) != "None") {
+        KConfig config(QString("lattedockrc"));
+        KConfigGroup cg(&config, "UniversalSettings");
+        //lastNonAssignedLayout also needs to be changed as otherwise Latte switches back to the layout that lastNonAssignedLayout is currently set to when loading up
+        cg.writeEntry("currentLayout", theme);
+        cg.writeEntry("lastNonAssignedLayout", theme);
+        cg.sync();
+        QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.lattedock"), QStringLiteral("/Latte"),
+                                                    QStringLiteral("org.kde.LatteDock"), QStringLiteral("switchToLayout"));
+ 
+         QList<QVariant> args;
+         args << theme;
+         message.setArguments(args);
+ 
+         QDBusConnection::sessionBus().call(message, QDBus::NoBlock);
+    } else {
+        // Disable Latte Dock's autostarting
+        KAutostart as("org.kde.latte-dock");
+        as.setAutostarts(false);
+        // Cleanly quit Latte Dock
+        QDBusMessage message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.lattedock"), QStringLiteral("/MainApplication"),
+                                                    QStringLiteral("org.qtproject.Qt.QCoreApplication"), QStringLiteral("quit"));
+        QDBusConnection::sessionBus().call(message, QDBus::NoBlock);
+    }
+}
+
+void KCMLookandFeel::setBorderlessMaximised(const QString &theme)
+{
+    
+    KConfig kwinconfig(QString("kwinrc"));
+    KConfigGroup cg(&kwinconfig, "Windows");
+    
+    if (theme.isEmpty()) {
+        cg.writeEntry("BorderlessMaximizedWindows", "false");
+        cg.sync();
+        return;
+    }
+    
+    cg.writeEntry("BorderlessMaximizedWindows", theme);
+    cg.sync();
+}
+
 QDir KCMLookandFeel::cursorThemeDir(const QString &theme, const int depth)
 {
     // Prevent infinite recursion