diff --git a/CMakeLists.txt b/CMakeLists.txt
index de52210..5db70d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ set(META_GUI_OPTIONAL true)
 set(META_JS_SRC_DIR renamingutility)
 set(META_VERSION_MAJOR 3)
 set(META_VERSION_MINOR 3)
-set(META_VERSION_PATCH 3)
+set(META_VERSION_PATCH 4)
 set(META_ADD_DEFAULT_CPP_UNIT_TEST_APPLICATION ON)
 
 # add project files
diff --git a/gui/tageditorwidget.ui b/gui/tageditorwidget.ui
index 506645a..c5f0f49 100644
--- a/gui/tageditorwidget.ui
+++ b/gui/tageditorwidget.ui
@@ -40,13 +40,28 @@
      <property name="orientation">
       <enum>Qt::Vertical</enum>
      </property>
-     <widget class="QWidget" name="layoutWidget">
+     <property name="handleWidth">
+      <number>1</number>
+     </property>
+     <widget class="QWidget" name="editorWidget" native="true">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+        <horstretch>0</horstretch>
+        <verstretch>1</verstretch>
+       </sizepolicy>
+      </property>
       <layout class="QVBoxLayout" name="tagEditVerticalLayout">
        <property name="spacing">
         <number>2</number>
        </property>
        <item>
         <widget class="QWidget" name="docTitleWidget" native="true">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <layout class="QHBoxLayout" name="horizontalLayout_2">
           <property name="leftMargin">
            <number>0</number>
@@ -71,118 +86,132 @@
         </widget>
        </item>
        <item>
-        <layout class="QHBoxLayout" name="tagSelectionHorizontalLayout">
-         <item>
-          <widget class="QComboBox" name="tagSelectionComboBox">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QPushButton" name="keepPreviousValuesPushButton">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="toolTip">
-            <string>Let you choose whether the values of the
+        <widget class="QWidget" name="" native="true">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <layout class="QHBoxLayout" name="tagSelectionHorizontalLayout">
+          <item>
+           <widget class="QComboBox" name="tagSelectionComboBox">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="keepPreviousValuesPushButton">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="toolTip">
+             <string>Let you choose whether the values of the
 previously opened file should be cleared when
 opening the next file.
 Keeping these values might be useful when
 tagging multiple files of the same album.</string>
-           </property>
-           <property name="text">
-            <string>Keep previous values</string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QPushButton" name="tagOptionsPushButton">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="toolTip">
-            <string>Let you enable or disable the automatic
+            </property>
+            <property name="text">
+             <string>Keep previous values</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="tagOptionsPushButton">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="toolTip">
+             <string>Let you enable or disable the automatic
 creation or removal of tags (according to
 the settings) when loading a file.
 
 You can also create or remove tags manually.</string>
-           </property>
-           <property name="text">
-            <string>Tag management</string>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QPushButton" name="restoreEntriesPushButton">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="toolTip">
-            <string>Restores the original values read from
+            </property>
+            <property name="text">
+             <string>Tag management</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="restoreEntriesPushButton">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="toolTip">
+             <string>Restores the original values read from
 the file reverting all unsaved changings.
 Only affects the currently shown tag
 and none of the actions under
 'Tag management'.</string>
-           </property>
-           <property name="text">
-            <string>Restore</string>
-           </property>
-           <property name="icon">
-            <iconset theme="document-revert">
-             <normaloff>.</normaloff>.</iconset>
-           </property>
-           <property name="iconSize">
-            <size>
-             <width>16</width>
-             <height>16</height>
-            </size>
-           </property>
-          </widget>
-         </item>
-         <item>
-          <widget class="QPushButton" name="clearEntriesPushButton">
-           <property name="sizePolicy">
-            <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
-             <horstretch>0</horstretch>
-             <verstretch>0</verstretch>
-            </sizepolicy>
-           </property>
-           <property name="toolTip">
-            <string>Clears all values. Only affects the
+            </property>
+            <property name="text">
+             <string>Restore</string>
+            </property>
+            <property name="icon">
+             <iconset theme="document-revert">
+              <normaloff>.</normaloff>.</iconset>
+            </property>
+            <property name="iconSize">
+             <size>
+              <width>16</width>
+              <height>16</height>
+             </size>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QPushButton" name="clearEntriesPushButton">
+            <property name="sizePolicy">
+             <sizepolicy hsizetype="Minimum" vsizetype="Preferred">
+              <horstretch>0</horstretch>
+              <verstretch>0</verstretch>
+             </sizepolicy>
+            </property>
+            <property name="toolTip">
+             <string>Clears all values. Only affects the
 currently shown tag.</string>
-           </property>
-           <property name="text">
-            <string>Clear</string>
-           </property>
-           <property name="icon">
-            <iconset theme="edit-clear">
-             <normaloff>.</normaloff>.</iconset>
-           </property>
-           <property name="iconSize">
-            <size>
-             <width>16</width>
-             <height>16</height>
-            </size>
-           </property>
-          </widget>
-         </item>
-        </layout>
+            </property>
+            <property name="text">
+             <string>Clear</string>
+            </property>
+            <property name="icon">
+             <iconset theme="edit-clear">
+              <normaloff>.</normaloff>.</iconset>
+            </property>
+            <property name="iconSize">
+             <size>
+              <width>16</width>
+              <height>16</height>
+             </size>
+            </property>
+           </widget>
+          </item>
+         </layout>
+        </widget>
        </item>
        <item>
         <widget class="QScrollArea" name="scrollArea">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="MinimumExpanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="frameShape">
           <enum>QFrame::NoFrame</enum>
          </property>
@@ -201,7 +230,14 @@ currently shown tag.</string>
          <property name="alignment">
           <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
          </property>
-         <widget class="QStackedWidget" name="stackedWidget"/>
+         <widget class="QStackedWidget" name="stackedWidget">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+         </widget>
         </widget>
        </item>
       </layout>