diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cc6342b..b153617 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,16 @@ stages:
   - installer
   - check
 
+js_syntax:
+  retry: 1
+  stage: check
+  image: node:carbon
+  tags: [ docker ]
+  before_script:
+    - npm install -g acorn
+  script:
+    - find . -iname "*.js" -print0 | xargs -0 -I % sh -c 'echo "%"; acorn --ecma6 --silent "%"'
+
 dependency_scanning:
   stage: check
   only:
diff --git a/js/app.js b/js/app.js
index d6ab208..b6de1b6 100644
--- a/js/app.js
+++ b/js/app.js
@@ -18,10 +18,15 @@ ready(function(){
   updatePresetList();
   checkForNewRelease();
   document.isStarting = false;
-  settings.set('settings', {
-    ...settings.get('settings'),
-    first_launch: false
-  });
+
+
+  settings.set('settings',
+    Object.assign(
+      {},
+      settings.get('settings'),
+      { first_launch: false }
+    )
+  );
 });
 
 /**
diff --git a/js/methods.js b/js/methods.js
index 82136bc..c87a7b9 100644
--- a/js/methods.js
+++ b/js/methods.js
@@ -149,10 +149,15 @@ function askingForRyzenAdjExecutablePath() {
   }, function (filePaths) {
     if (typeof filePaths[0] !== 'undefined') {
       const settings = require('electron-settings');
-      settings.set("settings", {
-        ...settings.get('settings'),
-        ryzen_adj_path: filePaths[0]
-      });
+
+      settings.set("settings",
+        Object.assign(
+          {},
+          settings.get('settings'),
+          { ryzen_adj_path: filePaths[0] }
+        )
+      );
+
       notification('primary', 'Path to ryzenAdj.exe has been saved.');
       appendLog(`askingForRyzenAdjExecutablePath(): ${filePaths[0]}`);
     } else {
@@ -249,39 +254,69 @@ function registerEventListenerForSettingsInput() {
 
   var apply_last_settings_on_launch = document.getElementById('apply_last_settings_on_launch');
   apply_last_settings_on_launch.addEventListener('change', function() {
-    settings.set('settings', {
-      ...settings.get('settings'),
-      apply_last_settings_on_launch: !!apply_last_settings_on_launch.checked
-    });
+
+    settings.set(
+      "settings",
+      Object.assign(
+        {},
+        settings.get('settings'),
+        { apply_last_settings_on_launch: !!apply_last_settings_on_launch.checked }
+      )
+    );
+
   });
   var minimize_to_tray = document.getElementById('minimize_to_tray');
   minimize_to_tray.addEventListener('change', function() {
-    settings.set('settings', {
-      ...settings.get('settings'),
-      minimize_to_tray: !!minimize_to_tray.checked
-    });
+
+    settings.set(
+      "settings",
+      Object.assign(
+        {},
+        settings.get('settings'),
+        { minimize_to_tray: !!minimize_to_tray.checked }
+      )
+    );
+
   });
   var start_minimized = document.getElementById('start_minimized');
   start_minimized.addEventListener('change', function() {
-    settings.set('settings', {
-      ...settings.get('settings'),
-      start_minimized: !!start_minimized.checked
-    });
+
+    settings.set(
+      "settings",
+      Object.assign(
+        {},
+        settings.get('settings'),
+        { start_minimized: !!start_minimized.checked }
+      )
+    );
+
   });
   var reapply_periodically = document.getElementById('reapply_periodically');
   reapply_periodically.addEventListener('change', function() {
     reApplyPeriodically(reapply_periodically.value);
-    settings.set('settings', {
-      ...settings.get('settings'),
-      reapply_periodically: reapply_periodically.value
-    });
+
+    settings.set(
+      "settings",
+      Object.assign(
+        {},
+        settings.get('settings'),
+        { reapply_periodically: reapply_periodically.value }
+      )
+    );
+
   });
   // var start_at_boot = document.getElementById('start_at_boot');
   // start_at_boot.addEventListener('change', function() {
-  //   settings.set('settings', {
-  //     ...settings.get('settings'),
-  //     start_at_boot: !!start_at_boot.checked
-  //   });
+  //
+  // settings.set(
+  //   "settings",
+  //   Object.assign(
+  //     {},
+  //     settings.get('settings'),
+  //     { start_at_boot: !!start_at_boot.checked }
+  //   )
+  // );
+  //
   //   require('electron').remote.app.setLoginItemSettings({ openAtLogin: !!start_at_boot.checked });
   // });
 }
@@ -422,10 +457,12 @@ function saveToNewPreset() {
     notification('warning', `This preset name already exist, your preset has been saved with the name "${newPresetName}".`);
   }
 
-  const newPresetList = {
-    ...currentPresets,
-    [newPresetName]: settingsToBeSaved,
-  };
+  const newPresetList = Object.assign(
+    {},
+    currentPresets,
+    { [newPresetName]: settingsToBeSaved }
+  );
+
   require('electron-settings').set('presets', newPresetList);
   appendLog(`saveToNewPreset(): Saved preset ${newPresetName}, ${JSON.stringify(newPresetList)}`);
   updatePresetList();
diff --git a/main.js b/main.js
index 07649d0..05bab26 100644
--- a/main.js
+++ b/main.js
@@ -1,218 +1,224 @@
 // Handle setupevents as quickly as possible
 const setupEvents = require('./installers/setupEvents')
-if (setupEvents.handleSquirrelEvent()) {
-  // squirrel event handled and app will exit in 1000ms, so don't do anything else
-  return;
-}
 
-// Modules to control application life and create native browser window
-const {app, BrowserWindow, Menu, Tray} = require('electron')
-const settings = require('electron-settings');
+// squirrel event handled and app will exit in 1000ms, so don't do anything else
+if (!setupEvents.handleSquirrelEvent()) {
 
-// Check and apply start_on_boot option.
-app.setLoginItemSettings({ openAtLogin: !!settings.get('settings.start_at_boot') });
+  // Modules to control application life and create native browser window
+  const {app, BrowserWindow, Menu, Tray} = require('electron')
+  const settings = require('electron-settings');
 
-// Check for latest used version and clear settings if needed.
-const old_version = settings.get('settings.last_used_version');
-const new_version = require('./package.json').version;
-if (old_version !== new_version) {
-  var compareVersions = require('compare-versions');
+  // Check and apply start_on_boot option.
+  app.setLoginItemSettings({ openAtLogin: !!settings.get('settings.start_at_boot') });
 
-  /**
-   * Since 1.4.0, ryzenadj is included in the windows package.
-   * So we are removing ryzenadj path as it can be included.
-   */
-  if (compareVersions(old_version, '1.4.0') <= 0) {
-    settings.delete('settings.ryzen_adj_path');
-  }
+  // Check for latest used version and clear settings if needed.
+  const old_version = settings.get('settings.last_used_version');
+  const new_version = require('./package.json').version;
+  if (old_version !== new_version) {
+    var compareVersions = require('compare-versions');
 
-  /**
-   * Since 1.11.0 we added new settings and apply checkbox,
-   * We need to add new settings to presets.
-   */
-  if (compareVersions(old_version, '1.11.0') <= 0) {
-    const update_latest_settings_to_1_11_0 = function(settings) {
-      var updated_settings = {};
-      for (const setting_name in settings) {
-        if (settings.hasOwnProperty(setting_name)) {
-          const setting_value = settings[setting_name];
-          // Register current setting.
-          updated_settings[setting_name] = setting_value;
-          // Add apply checkbox to any non-range settings.
-          if (setting_name.indexOf('_range') <= 0) {
-            if (setting_name.indexOf('apply_') <= 0) {
-              updated_settings[`apply_${setting_name}`] = true;
-              continue;
-            }
-          }
-        }
-      }
-      // Adding missing options.
-      updated_settings['apply_stapm_time_ms'] = false;
-      updated_settings['apply_psi0_current_limit'] = false;
-      return updated_settings;
-    };
-    const update_presets_to_1_11_0 = function(preset_list) {
-      var updated_preset_list = {};
-      // For each preset.
-      for (const preset_name in preset_list) {
-        if (preset_list.hasOwnProperty(preset_name)) {
-          const preset_settings = preset_list[preset_name];
-          updated_preset_list[preset_name] = {};
-          // For each setting.
-          for (const setting_name in preset_settings) {
-            if (preset_settings.hasOwnProperty(setting_name)) {
-              const setting_value = preset_settings[setting_name];
-              // Register current setting.
-              updated_preset_list[preset_name][setting_name] = setting_value;
-              if (setting_name.indexOf('_range') <= 0) {
-                continue;
-              }
+    /**
+     * Since 1.4.0, ryzenadj is included in the windows package.
+     * So we are removing ryzenadj path as it can be included.
+     */
+    if (compareVersions(old_version, '1.4.0') <= 0) {
+      settings.delete('settings.ryzen_adj_path');
+    }
+
+    /**
+     * Since 1.11.0 we added new settings and apply checkbox,
+     * We need to add new settings to presets.
+     */
+    if (compareVersions(old_version, '1.11.0') <= 0) {
+      const update_latest_settings_to_1_11_0 = function(settings) {
+        var updated_settings = {};
+        for (const setting_name in settings) {
+          if (settings.hasOwnProperty(setting_name)) {
+            const setting_value = settings[setting_name];
+            // Register current setting.
+            updated_settings[setting_name] = setting_value;
+            // Add apply checkbox to any non-range settings.
+            if (setting_name.indexOf('_range') <= 0) {
               if (setting_name.indexOf('apply_') <= 0) {
-                // Add apply checkbox.
-                updated_preset_list[preset_name][`apply_${setting_name}`] = true;
+                updated_settings[`apply_${setting_name}`] = true;
                 continue;
               }
             }
           }
-          // Adding missing options.
-          updated_preset_list[preset_name]['apply_stapm_time_ms'] = false;
-          updated_preset_list[preset_name]['apply_psi0_current_limit'] = false;
+        }
+        // Adding missing options.
+        updated_settings['apply_stapm_time_ms'] = false;
+        updated_settings['apply_psi0_current_limit'] = false;
+        return updated_settings;
+      };
+      const update_presets_to_1_11_0 = function(preset_list) {
+        var updated_preset_list = {};
+        // For each preset.
+        for (const preset_name in preset_list) {
+          if (preset_list.hasOwnProperty(preset_name)) {
+            const preset_settings = preset_list[preset_name];
+            updated_preset_list[preset_name] = {};
+            // For each setting.
+            for (const setting_name in preset_settings) {
+              if (preset_settings.hasOwnProperty(setting_name)) {
+                const setting_value = preset_settings[setting_name];
+                // Register current setting.
+                updated_preset_list[preset_name][setting_name] = setting_value;
+                if (setting_name.indexOf('_range') <= 0) {
+                  continue;
+                }
+                if (setting_name.indexOf('apply_') <= 0) {
+                  // Add apply checkbox.
+                  updated_preset_list[preset_name][`apply_${setting_name}`] = true;
+                  continue;
+                }
+              }
+            }
+            // Adding missing options.
+            updated_preset_list[preset_name]['apply_stapm_time_ms'] = false;
+            updated_preset_list[preset_name]['apply_psi0_current_limit'] = false;
+          }
+        }
+        return updated_preset_list;
+      };
+      settings.set('presets', update_presets_to_1_11_0(settings.get('presets')));
+      settings.set('latest_controller_tabs_settings', update_latest_settings_to_1_11_0(settings.get('latest_controller_tabs_settings')));
+    }
+
+    /**
+     * Since 1.12.0, new option to ryzenadj.
+     */
+    if (compareVersions(old_version, '1.12.0') <= 0) {
+      const update_preset_to_1_12_0 = function(settings) {
+        // Adding missing options.
+        settings['apply_max_gfxclk_frequency'] = false;
+        settings['apply_min_gfxclk_frequency'] = false;
+        settings['apply_min_socclk_frequency'] = false;
+        settings['apply_max_socclk_frequency'] = false;
+        return settings;
+      };
+      const update_presets_to_1_12_0 = function(preset_list) {
+        // For each preset.
+        for (const preset_name in preset_list) {
+          if (preset_list.hasOwnProperty(preset_name)) {
+            preset_list[preset_name] = update_preset_to_1_12_0(preset_list[preset_name]);
+          }
+        }
+        return preset_list;
+      };
+      settings.set('presets', update_presets_to_1_12_0(settings.get('presets')));
+      settings.set('latest_controller_tabs_settings', update_preset_to_1_12_0(settings.get('latest_controller_tabs_settings')));
+    }
+
+    settings.set('settings',
+      Object.assign(
+        {},
+        settings.set('settings'),
+        {
+          last_used_version: require('./package.json').version,
+          first_launch: true,
+        }
+      )
+    );
+
+  }
+
+  // Keep a global reference of the window object, if you don't, the window will
+  // be closed automatically when the JavaScript object is garbage collected.
+  let mainWindow
+  let tray
+
+  function createWindow () {
+    let appIcon = '';
+    if (require('os').platform() === 'win32') {
+      appIcon = __dirname + '/assets/icon.ico';
+    } else {
+      appIcon = __dirname + '/assets/icon.png';
+    }
+
+    // Create the browser window.
+    mainWindow = new BrowserWindow({
+      width: 800,
+      height: 720,
+      webPreferences: {
+        nodeIntegration: true
+      },
+      icon: appIcon,
+      show: false,
+    })
+    if (!settings.get('settings.start_minimized')) {
+      mainWindow.show();
+    }
+
+    mainWindow.setOpacity(0.95);
+    
+    // and load the index.html of the app.
+    mainWindow.loadFile('index.html')
+    
+    // Open the DevTools.
+    // mainWindow.webContents.openDevTools()
+    
+    // Emitted when the window is closed.
+    mainWindow.on('closed', function () {
+      // Dereference the window object, usually you would store windows
+      // in an array if your app supports multi windows, this is the time
+      // when you should delete the corresponding element.
+      mainWindow = null
+    })
+    
+    mainWindow.on('minimize',function(event){
+      if (settings.get('settings.minimize_to_tray')) {
+        event.preventDefault();
+        mainWindow.hide();
+      }
+    });
+
+    var contextMenu = Menu.buildFromTemplate([
+      {
+        label: 'Show App',
+        click: function () {
+          mainWindow.show();
+        }
+      },
+      {
+        label: 'Quit',
+        click: function () {
+          app.isQuiting = true;
+          app.quit();
         }
       }
-      return updated_preset_list;
-    };
-    settings.set('presets', update_presets_to_1_11_0(settings.get('presets')));
-    settings.set('latest_controller_tabs_settings', update_latest_settings_to_1_11_0(settings.get('latest_controller_tabs_settings')));
+    ]);
+
+    tray = new Tray(appIcon);
+    tray.setContextMenu(contextMenu);
+    tray.setIgnoreDoubleClickEvents(true);
+    tray.on('click', function() {
+      mainWindow.show();
+    });
   }
 
-  /**
-   * Since 1.12.0, new option to ryzenadj.
-   */
-  if (compareVersions(old_version, '1.12.0') <= 0) {
-    const update_preset_to_1_12_0 = function(settings) {
-      // Adding missing options.
-      settings['apply_max_gfxclk_frequency'] = false;
-      settings['apply_min_gfxclk_frequency'] = false;
-      settings['apply_min_socclk_frequency'] = false;
-      settings['apply_max_socclk_frequency'] = false;
-      return settings;
-    };
-    const update_presets_to_1_12_0 = function(preset_list) {
-      // For each preset.
-      for (const preset_name in preset_list) {
-        if (preset_list.hasOwnProperty(preset_name)) {
-          preset_list[preset_name] = update_preset_to_1_12_0(preset_list[preset_name]);
-        }
-      }
-      return preset_list;
-    };
-    settings.set('presets', update_presets_to_1_12_0(settings.get('presets')));
-    settings.set('latest_controller_tabs_settings', update_preset_to_1_12_0(settings.get('latest_controller_tabs_settings')));
-  }
+  // This method will be called when Electron has finished
+  // initialization and is ready to create browser windows.
+  // Some APIs can only be used after this event occurs.
+  app.on('ready', createWindow)
 
-  settings.set('settings', {
-    ...settings.set('settings'),
-    last_used_version: require('./package.json').version,
-    first_launch: true,
-  });
-}
-
-// Keep a global reference of the window object, if you don't, the window will
-// be closed automatically when the JavaScript object is garbage collected.
-let mainWindow
-let tray
-
-function createWindow () {
-  let appIcon = '';
-  if (require('os').platform() === 'win32') {
-    appIcon = __dirname + '/assets/icon.ico';
-  } else {
-    appIcon = __dirname + '/assets/icon.png';
-  }
-
-  // Create the browser window.
-  mainWindow = new BrowserWindow({
-    width: 800,
-    height: 720,
-    webPreferences: {
-      nodeIntegration: true
-    },
-    icon: appIcon,
-    show: false,
-  })
-  if (!settings.get('settings.start_minimized')) {
-    mainWindow.show();
-  }
-
-  mainWindow.setOpacity(0.95);
-  
-  // and load the index.html of the app.
-  mainWindow.loadFile('index.html')
-  
-  // Open the DevTools.
-  // mainWindow.webContents.openDevTools()
-  
-  // Emitted when the window is closed.
-  mainWindow.on('closed', function () {
-    // Dereference the window object, usually you would store windows
-    // in an array if your app supports multi windows, this is the time
-    // when you should delete the corresponding element.
-    mainWindow = null
-  })
-  
-  mainWindow.on('minimize',function(event){
-    if (settings.get('settings.minimize_to_tray')) {
-      event.preventDefault();
-      mainWindow.hide();
+  // Quit when all windows are closed.
+  app.on('window-all-closed', function () {
+    // On macOS it is common for applications and their menu bar
+    // to stay active until the user quits explicitly with Cmd + Q
+    if (process.platform !== 'darwin') {
+      app.quit()
     }
-  });
+  })
 
-  var contextMenu = Menu.buildFromTemplate([
-    {
-      label: 'Show App',
-      click: function () {
-        mainWindow.show();
-      }
-    },
-    {
-      label: 'Quit',
-      click: function () {
-        app.isQuiting = true;
-        app.quit();
-      }
+  app.on('activate', function () {
+    // On macOS it's common to re-create a window in the app when the
+    // dock icon is clicked and there are no other windows open.
+    if (mainWindow === null) {
+      createWindow()
     }
-  ]);
+  })
 
-  tray = new Tray(appIcon);
-  tray.setContextMenu(contextMenu);
-  tray.setIgnoreDoubleClickEvents(true);
-  tray.on('click', function() {
-    mainWindow.show();
-  });
+  // In this file you can include the rest of your app's specific main process
+  // code. You can also put them in separate files and require them here.
 }
-
-// This method will be called when Electron has finished
-// initialization and is ready to create browser windows.
-// Some APIs can only be used after this event occurs.
-app.on('ready', createWindow)
-
-// Quit when all windows are closed.
-app.on('window-all-closed', function () {
-  // On macOS it is common for applications and their menu bar
-  // to stay active until the user quits explicitly with Cmd + Q
-  if (process.platform !== 'darwin') {
-    app.quit()
-  }
-})
-
-app.on('activate', function () {
-  // On macOS it's common to re-create a window in the app when the
-  // dock icon is clicked and there are no other windows open.
-  if (mainWindow === null) {
-    createWindow()
-  }
-})
-
-// In this file you can include the rest of your app's specific main process
-// code. You can also put them in separate files and require them here.
diff --git a/package-lock.json b/package-lock.json
index 6b247dc..fbfff6b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -249,7 +249,8 @@
         "ansi-regex": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg=="
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "optional": true
         },
         "is-fullwidth-code-point": {
           "version": "2.0.0",
@@ -272,6 +273,7 @@
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "optional": true,
           "requires": {
             "ansi-regex": "^4.1.0"
           }
@@ -864,7 +866,8 @@
     "emoji-regex": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
-      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "optional": true
     },
     "end-of-stream": {
       "version": "1.4.1",
@@ -1343,7 +1346,8 @@
     "is-promise": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-1.0.1.tgz",
-      "integrity": "sha1-MVc3YcBX4zwukaq56W2gjO++duU="
+      "integrity": "sha1-MVc3YcBX4zwukaq56W2gjO++duU=",
+      "optional": true
     },
     "is-stream": {
       "version": "1.1.0",
@@ -2570,7 +2574,8 @@
         "ansi-regex": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
-          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg=="
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "optional": true
         },
         "is-fullwidth-code-point": {
           "version": "2.0.0",
@@ -2593,6 +2598,7 @@
           "version": "5.2.0",
           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
           "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "optional": true,
           "requires": {
             "ansi-regex": "^4.1.0"
           }