diff --git a/src/Cutter.cpp b/src/Cutter.cpp
index 5a2d8ef2..05e789d8 100644
--- a/src/Cutter.cpp
+++ b/src/Cutter.cpp
@@ -565,7 +565,7 @@ QString CutterCore::getConfig(const QString &k)
 
 void CutterCore::setConfig(const QString &k, const QVariant &v)
 {
-    switch(v.type()) {
+    switch (v.type()) {
     case QVariant::Type::Bool:
         setConfig(k, v.toBool());
         break;
@@ -778,10 +778,10 @@ void CutterCore::startDebug()
     emit registersChanged();
     if (!currentlyDebugging) {
         setConfig("asm.flags", false);
+        currentlyDebugging = true;
         emit changeDebugView();
         emit flagsChanged();
         emit refreshCodeViews();
-        currentlyDebugging = true;
     }
 }
 
@@ -798,11 +798,11 @@ void CutterCore::startEmulation()
         setConfig("asm.flags", false);
         // allows to view self-modifying code changes or other binary changes
         setConfig("io.cache", true);
+        currentlyDebugging = true;
+        currentlyEmulating = true;
         emit changeDebugView();
         emit flagsChanged();
         emit refreshCodeViews();
-        currentlyDebugging = true;
-        currentlyEmulating = true;
     }
 }
 
@@ -819,9 +819,9 @@ void CutterCore::attachDebug(int pid)
     if (!currentlyDebugging || !currentlyEmulating) {
         // prevent register flags from appearing during debug/emul
         setConfig("asm.flags", false);
+        currentlyDebugging = true;
         emit changeDebugView();
         emit flagsChanged();
-        currentlyDebugging = true;
     }
 }
 
@@ -2034,12 +2034,28 @@ QList<QString> CutterCore::getColorThemes()
     return r;
 }
 
-void CutterCore::setCutterPlugins(QList<CutterPlugin*> plugins)
+RCoreTask *CutterCore::startTask(const QString &cmd)
+{
+    RCoreTask *task = r_core_task_new (core_, true, cmd.toLocal8Bit().constData(), nullptr, nullptr);
+    r_core_task_enqueue(core_, task);
+    return task;
+}
+
+void CutterCore::joinTask(RCoreTask *task)
+{
+    r_core_task_join(core_, nullptr, task);
+}
+void CutterCore::deleteTask(RCoreTask *task)
+{
+    r_core_task_del(core_, task->id);
+}
+
+void CutterCore::setCutterPlugins(QList<CutterPlugin *> plugins)
 {
     this->plugins = plugins;
 }
 
-QList<CutterPlugin*> CutterCore::getCutterPlugins()
+QList<CutterPlugin *> CutterCore::getCutterPlugins()
 {
     return plugins;
 }
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 27fde709..cffa83c0 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -267,10 +267,11 @@ void MainWindow::initUI()
     connect(core, &CutterCore::changeDefinedView, this, &MainWindow::changeDefinedView);
 
     updateTasksIndicator();
-    connect(core->getAsyncTaskManager(), &AsyncTaskManager::tasksChanged, this, &MainWindow::updateTasksIndicator);
+    connect(core->getAsyncTaskManager(), &AsyncTaskManager::tasksChanged, this,
+            &MainWindow::updateTasksIndicator);
 
     /* Load plugins */
-    QList<CutterPlugin*> plugins = Core()->getCutterPlugins();
+    QList<CutterPlugin *> plugins = Core()->getCutterPlugins();
     for (auto plugin : plugins) {
         CutterDockWidget *pluginDock = plugin->setupInterface(this);
         tabifyDockWidget(dashboardDock, pluginDock);
@@ -337,7 +338,8 @@ void MainWindow::openNewFileFailed()
     mb.setIcon(QMessageBox::Critical);
     mb.setStandardButtons(QMessageBox::Ok);
     mb.setWindowTitle(tr("Cannot open file!"));
-    mb.setText(tr("Could not open the file! Make sure the file exists and that you have the correct permissions."));
+    mb.setText(
+        tr("Could not open the file! Make sure the file exists and that you have the correct permissions."));
     mb.exec();
 }
 
@@ -557,9 +559,9 @@ void MainWindow::restoreDocks()
     tabifyDockWidget(dashboardDock, vTablesDock);
 
     // Add Stack, Registers and Backtrace vertically stacked
-    addExtraWidget(stackDock);
+    splitDockWidget(sidebarDock, stackDock, Qt::Horizontal);
     splitDockWidget(stackDock, registersDock, Qt::Vertical);
-    splitDockWidget(stackDock, backtraceDock, Qt::Vertical);
+    tabifyDockWidget(stackDock, backtraceDock);
     // MemoryMap/Breakpoint widget goes in the center tabs
     tabifyDockWidget(dashboardDock, memoryMapDock);
     tabifyDockWidget(dashboardDock, breakpointDock);
@@ -625,7 +627,7 @@ void MainWindow::showZenDocks()
                                             disassemblyDock,
                                             hexdumpDock,
                                             searchDock
-                                            };
+                                          };
     for (auto w : dockWidgets) {
         if (zenDocks.contains(w)) {
             w->show();
@@ -637,16 +639,16 @@ void MainWindow::showZenDocks()
 void MainWindow::showDebugDocks()
 {
     const QList<QDockWidget *> debugDocks = { functionsDock,
-                                            stringsDock,
-                                            graphDock,
-                                            disassemblyDock,
-                                            hexdumpDock,
-                                            searchDock,
-                                            stackDock,
-                                            registersDock,
-                                            backtraceDock,
-                                            memoryMapDock,
-                                            breakpointDock
+                                              stringsDock,
+                                              graphDock,
+                                              disassemblyDock,
+                                              hexdumpDock,
+                                              searchDock,
+                                              stackDock,
+                                              registersDock,
+                                              backtraceDock,
+                                              memoryMapDock,
+                                              breakpointDock
                                             };
     for (auto w : dockWidgets) {
         if (debugDocks.contains(w)) {
@@ -954,7 +956,7 @@ void MainWindow::mousePressEvent(QMouseEvent *event)
 bool MainWindow::eventFilter(QObject *, QEvent *event)
 {
     if (event->type() == QEvent::MouseButtonPress) {
-        QMouseEvent *mouseEvent = static_cast<QMouseEvent*>(event);
+        QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
         if (mouseEvent->button() == Qt::ForwardButton || mouseEvent->button() == Qt::BackButton) {
             mousePressEvent(mouseEvent);
             return true;
diff --git a/src/dialogs/preferences/GeneralOptionsWidget.cpp b/src/dialogs/preferences/GeneralOptionsWidget.cpp
index 104287c1..46a815bd 100644
--- a/src/dialogs/preferences/GeneralOptionsWidget.cpp
+++ b/src/dialogs/preferences/GeneralOptionsWidget.cpp
@@ -9,16 +9,17 @@
 #include "utils/Helpers.h"
 #include "utils/Configuration.h"
 
-GeneralOptionsWidget::GeneralOptionsWidget(PreferencesDialog */*dialog*/, QWidget *parent)
+GeneralOptionsWidget::GeneralOptionsWidget(PreferencesDialog *dialog, QWidget *parent)
     : QDialog(parent),
       ui(new Ui::GeneralOptionsWidget)
 {
+    Q_UNUSED(dialog);
     ui->setupUi(this);
 
     updateFontFromConfig();
     updateThemeFromConfig();
 
-    //connect(Config(), SIGNAL(fontsUpdated()), this, SLOT(updateFontFromConfig()));
+    connect(Config(), &Configuration::fontsUpdated, this, &GeneralOptionsWidget::updateFontFromConfig);
     //connect(Config(), SIGNAL(colorsUpdated()), this, SLOT(updateThemeFromConfig()));
 }
 
diff --git a/src/widgets/BacktraceWidget.cpp b/src/widgets/BacktraceWidget.cpp
index 4c75c5af..a8f1648a 100644
--- a/src/widgets/BacktraceWidget.cpp
+++ b/src/widgets/BacktraceWidget.cpp
@@ -18,12 +18,13 @@ BacktraceWidget::BacktraceWidget(MainWindow *main, QAction *action) :
     modelBacktrace->setHorizontalHeaderItem(2, new QStandardItem(tr("Frame Size")));
     modelBacktrace->setHorizontalHeaderItem(3, new QStandardItem(tr("Func Name")));
     modelBacktrace->setHorizontalHeaderItem(4, new QStandardItem(tr("Description")));
-    viewBacktrace->setStyleSheet("QTableView {font-family: mono}");
+    viewBacktrace->setFont(Config()->getFont());
     viewBacktrace->setModel(modelBacktrace);
     ui->verticalLayout->addWidget(viewBacktrace);
 
     connect(Core(), &CutterCore::refreshAll, this, &BacktraceWidget::updateContents);
     connect(Core(), &CutterCore::seekChanged, this, &BacktraceWidget::updateContents);
+    connect(Config(), &Configuration::fontsUpdated, this, &BacktraceWidget::fontsUpdatedSlot);
 }
 
 BacktraceWidget::~BacktraceWidget() {}
@@ -61,3 +62,8 @@ void BacktraceWidget::setBacktraceGrid()
     viewBacktrace->setModel(modelBacktrace);
     viewBacktrace->resizeColumnsToContents();;
 }
+
+void BacktraceWidget::fontsUpdatedSlot()
+{
+    viewBacktrace->setFont(Config()->getFont());
+}
\ No newline at end of file
diff --git a/src/widgets/BacktraceWidget.h b/src/widgets/BacktraceWidget.h
index 512663cb..977d3c7a 100644
--- a/src/widgets/BacktraceWidget.h
+++ b/src/widgets/BacktraceWidget.h
@@ -25,6 +25,7 @@ public:
 private slots:
     void updateContents();
     void setBacktraceGrid();
+    void fontsUpdatedSlot();
 
 private:
     std::unique_ptr<Ui::BacktraceWidget> ui;
diff --git a/src/widgets/DisassemblerGraphView.cpp b/src/widgets/DisassemblerGraphView.cpp
index 3644ae9e..00d1fa60 100644
--- a/src/widgets/DisassemblerGraphView.cpp
+++ b/src/widgets/DisassemblerGraphView.cpp
@@ -376,21 +376,21 @@ void DisassemblerGraphView::drawBlock(QPainter &p, GraphView::GraphBlock &block)
                block.width, block.height);
 
     // Draw different background for selected instruction
-    bool paintedSelected = false;
     if (selected_instruction != RVA_INVALID) {
         int y = block.y + (2 * charWidth) + (db.header_text.lines.size() * charHeight);
         for (Instr &instr : db.instrs) {
+            if (instr.addr > selected_instruction) {
+                break;
+            }
             auto selected = instr.addr == selected_instruction;
             //auto traceCount = dbgfunctions->GetTraceRecordHitCount(instr.addr);
             auto traceCount = 0;
             if (selected && traceCount) {
                 p.fillRect(QRect(block.x + charWidth, y, block.width - (10 + 2 * charWidth),
                                  int(instr.text.lines.size()) * charHeight), disassemblyTracedSelectionColor);
-                paintedSelected = true;
             } else if (selected) {
                 p.fillRect(QRect(block.x + charWidth, y, block.width - (10 + 2 * charWidth),
                                  int(instr.text.lines.size()) * charHeight), disassemblySelectionColor);
-                paintedSelected = true;
             } else if (traceCount) {
                 // Color depending on how often a sequence of code is executed
                 int exponent = 1;
@@ -407,10 +407,6 @@ void DisassemblerGraphView::drawBlock(QPainter &p, GraphView::GraphBlock &block)
                            QColor(disassemblyTracedColor.red(),
                                   disassemblyTracedColor.green(),
                                   std::max(0, std::min(256, disassemblyTracedColor.blue() + colorDiff))));
-                paintedSelected = true;
-            }
-            if (paintedSelected) {
-                break;
             }
             y += int(instr.text.lines.size()) * charHeight;
         }
@@ -420,11 +416,13 @@ void DisassemblerGraphView::drawBlock(QPainter &p, GraphView::GraphBlock &block)
     if (PCInBlock) {
         int y = block.y + (2 * charWidth) + (db.header_text.lines.size() * charHeight);
         for (Instr &instr : db.instrs) {
+            if (instr.addr > PCAddr) {
+                break;
+            }
             auto PC = instr.addr == PCAddr;
             if (PC) {
                 p.fillRect(QRect(block.x + charWidth, y, block.width - (10 + 2 * charWidth),
                                  int(instr.text.lines.size()) * charHeight), PCSelectionColor);
-                break;
             }
             y += int(instr.text.lines.size()) * charHeight;
         }
@@ -677,8 +675,7 @@ void DisassemblerGraphView::seekPrev()
 {
     if (seekable->getSyncWithCore()) {
         Core()->seekPrev();
-    }
-    else {
+    } else {
         seekable->seek(seekable->getPrevIndependentOffset());
     }
 }
diff --git a/src/widgets/GraphView.cpp b/src/widgets/GraphView.cpp
index 75ec4751..60689397 100644
--- a/src/widgets/GraphView.cpp
+++ b/src/widgets/GraphView.cpp
@@ -127,8 +127,8 @@ void GraphView::adjustSize(int new_width, int new_height, QPoint mouse)
 
     int dx = newMaxX - originalRangeX;
     int dy = newMaxY - originalRangeY;
-    horizontalScrollBar()->setValue(topX + dx*((float)mouseLocal.x()/new_width));
-    verticalScrollBar()->setValue(topY + dy*((float)mouseLocal.y()/new_height));
+    horizontalScrollBar()->setValue(topX + dx * ((float)mouseLocal.x() / new_width));
+    verticalScrollBar()->setValue(topY + dy * ((float)mouseLocal.y() / new_height));
 }
 
 bool GraphView::event(QEvent *event)
@@ -411,9 +411,9 @@ void GraphView::paintEvent(QPaintEvent *event)
 {
     Q_UNUSED(event);
     QPainter p(viewport());
-    
+
     p.setRenderHint(QPainter::Antialiasing);
-    
+
     int render_offset_x = -horizontalScrollBar()->value() * current_scale;
     int render_offset_y = -verticalScrollBar()->value() * current_scale;
     int render_width = viewport()->size().width() / current_scale;
@@ -864,8 +864,8 @@ void GraphView::mouseMoveEvent(QMouseEvent *event)
         int y_delta = scroll_base_y - event->y();
         scroll_base_x = event->x();
         scroll_base_y = event->y();
-        horizontalScrollBar()->setValue(horizontalScrollBar()->value() + x_delta * (1/current_scale));
-        verticalScrollBar()->setValue(verticalScrollBar()->value() + y_delta * (1/current_scale));
+        horizontalScrollBar()->setValue(horizontalScrollBar()->value() + x_delta * (1 / current_scale));
+        verticalScrollBar()->setValue(verticalScrollBar()->value() + y_delta * (1 / current_scale));
     }
 }
 
@@ -912,7 +912,7 @@ void GraphView::wheelEvent(QWheelEvent *event)
     const QPoint delta = -event->angleDelta();
     int x_delta = delta.x();
     int y_delta = delta.y();
-    horizontalScrollBar()->setValue(horizontalScrollBar()->value() + x_delta * (1/current_scale));
-    verticalScrollBar()->setValue(verticalScrollBar()->value() + y_delta * (1/current_scale));
+    horizontalScrollBar()->setValue(horizontalScrollBar()->value() + x_delta * (1 / current_scale));
+    verticalScrollBar()->setValue(verticalScrollBar()->value() + y_delta * (1 / current_scale));
     event->accept();
 }
diff --git a/src/widgets/RegistersWidget.cpp b/src/widgets/RegistersWidget.cpp
index 44d1892a..66539bc8 100644
--- a/src/widgets/RegistersWidget.cpp
+++ b/src/widgets/RegistersWidget.cpp
@@ -29,12 +29,12 @@ void RegistersWidget::updateContents()
     setRegisterGrid();
 }
 
- void RegistersWidget::handleButton()
- {
+void RegistersWidget::handleButton()
+{
     int j = 0;
     int i = 0;
     int col = 0;
-    for (j = 0; j<registerLen; j++) {
+    for (j = 0; j < registerLen; j++) {
         QWidget *regName = registerLayout->itemAtPosition(i, col)->widget();
         QWidget *regValue = registerLayout->itemAtPosition(i, col + 1)->widget();
         QLabel *regLabel = qobject_cast<QLabel *>(regName);
@@ -43,13 +43,13 @@ void RegistersWidget::updateContents()
         QString regValueString = regLine->text();
         Core()->setRegister(regNameString, regValueString);
         i++;
-        if (i >= registerLen/numCols + 1) {
+        if (i >= registerLen / numCols + 1) {
             i = 0;
             col += 2;
         }
     }
     setRegisterGrid();
- }
+}
 
 void RegistersWidget::setRegisterGrid()
 {
@@ -66,16 +66,14 @@ void RegistersWidget::setRegisterGrid()
         // check if we already filled this grid space with label/value
         if (!registerLayout->itemAtPosition(i, col)) {
             registerLabel = new QLabel;
-            registerLabel->setStyleSheet("font-weight: bold; font-family: mono");
+            registerLabel->setStyleSheet("font-weight: bold; font-family: mono;");
             registerEditValue = new QLineEdit;
-            QFont font = registerEditValue->font();
-            font.setWeight(QFont::Monospace);
-            registerEditValue->setFont(font);
+            registerEditValue->setFixedWidth(140);
+            registerEditValue->setFont(Config()->getFont());
             // add label and register value to grid
             registerLayout->addWidget(registerLabel, i, col);
             registerLayout->addWidget(registerEditValue, i, col + 1);
-        }
-        else {
+        } else {
             QWidget *regNameWidget = registerLayout->itemAtPosition(i, col)->widget();
             QWidget *regValueWidget = registerLayout->itemAtPosition(i, col + 1)->widget();
             registerLabel = qobject_cast<QLabel *>(regNameWidget);
@@ -84,8 +82,7 @@ void RegistersWidget::setRegisterGrid()
         // decide to highlight QLine Box in case of change of register value
         if (regValue != registerEditValue->text() && registerEditValue->text() != 0) {
             registerEditValue->setStyleSheet("QLineEdit {border: 1px solid green;} QLineEdit:hover { border: 1px solid #3daee9; color: #eff0f1;}");
-        }
-        else {
+        } else {
             // reset stylesheet
             registerEditValue->setStyleSheet("");
         }
@@ -95,7 +92,7 @@ void RegistersWidget::setRegisterGrid()
         registerEditValue->setText(regValue);
         i++;
         // decide if we should change column
-        if (i >= registerLen/numCols + 1) {
+        if (i >= registerLen / numCols + 1) {
             i = 0;
             col += 2;
         }
diff --git a/src/widgets/RegistersWidget.ui b/src/widgets/RegistersWidget.ui
index 79dcd8fd..cdadd8e2 100644
--- a/src/widgets/RegistersWidget.ui
+++ b/src/widgets/RegistersWidget.ui
@@ -13,22 +13,27 @@
   <property name="windowTitle">
    <string notr="true">Registers</string>
   </property>
+  <widget class="QScrollArea" name="scrollArea">
+  <property name="widgetResizable">
+  <bool>true</bool>
+  </property>
   <widget class="QWidget" name="dockWidgetContents">
      <layout class="QVBoxLayout" name="verticalLayout">
       <property name="spacing">
        <number>10</number>
       </property>
       <property name="leftMargin">
-       <number>0</number>
+       <number>6</number>
       </property>
       <property name="topMargin">
-       <number>0</number>
+       <number>6</number>
       </property>
       <property name="rightMargin">
-       <number>0</number>
+       <number>6</number>
       </property>
      </layout>
   </widget>
+  </widget>
  </widget>
  <resources/>
  <connections/>
diff --git a/src/widgets/StackWidget.cpp b/src/widgets/StackWidget.cpp
index 78429747..651bf0cc 100644
--- a/src/widgets/StackWidget.cpp
+++ b/src/widgets/StackWidget.cpp
@@ -16,7 +16,7 @@ StackWidget::StackWidget(MainWindow *main, QAction *action) :
     modelStack->setHorizontalHeaderItem(0, new QStandardItem(tr("Offset")));
     modelStack->setHorizontalHeaderItem(1, new QStandardItem(tr("Value")));
     modelStack->setHorizontalHeaderItem(2, new QStandardItem(tr("Reference")));
-    viewStack->setStyleSheet("QTableView {font-family: mono}");
+    viewStack->setFont(Config()->getFont());
     viewStack->setModel(modelStack);
     viewStack->verticalHeader()->hide();
     viewStack->setSortingEnabled(true);
@@ -24,6 +24,7 @@ StackWidget::StackWidget(MainWindow *main, QAction *action) :
 
     connect(Core(), &CutterCore::refreshAll, this, &StackWidget::updateContents);
     connect(Core(), &CutterCore::seekChanged, this, &StackWidget::updateContents);
+    connect(Config(), &Configuration::fontsUpdated, this, &StackWidget::fontsUpdatedSlot);
 }
 
 StackWidget::~StackWidget() {}
@@ -56,3 +57,8 @@ void StackWidget::setStackGrid()
     viewStack->setModel(modelStack);
     viewStack->resizeColumnsToContents();;
 }
+
+void StackWidget::fontsUpdatedSlot()
+{
+    viewStack->setFont(Config()->getFont());
+}
\ No newline at end of file
diff --git a/src/widgets/StackWidget.h b/src/widgets/StackWidget.h
index a83b9317..d712cf7f 100644
--- a/src/widgets/StackWidget.h
+++ b/src/widgets/StackWidget.h
@@ -25,6 +25,7 @@ public:
 private slots:
     void updateContents();
     void setStackGrid();
+    void fontsUpdatedSlot();
 
 private:
     std::unique_ptr<Ui::StackWidget> ui;