diff --git a/plugins/3MFReader/WorkspaceDialog.py b/plugins/3MFReader/WorkspaceDialog.py
index 5e5eaf985e..349dec177b 100644
--- a/plugins/3MFReader/WorkspaceDialog.py
+++ b/plugins/3MFReader/WorkspaceDialog.py
@@ -285,14 +285,6 @@ class WorkspaceDialog(QObject):
         except:
             pass
 
-    @pyqtSlot(bool)
-    def _onVisibilityChanged(self, visible):
-        if not visible:
-            try:
-                self._lock.release()
-            except:
-                pass
-
     @pyqtSlot()
     def onOkButtonClicked(self):
         self._view.hide()
diff --git a/plugins/3MFReader/WorkspaceDialog.qml b/plugins/3MFReader/WorkspaceDialog.qml
index a633491248..b1ece2be96 100644
--- a/plugins/3MFReader/WorkspaceDialog.qml
+++ b/plugins/3MFReader/WorkspaceDialog.qml
@@ -14,7 +14,7 @@ UM.Dialog
     title: catalog.i18nc("@title:window", "Open Project")
 
     minimumWidth: 500 * screenScaleFactor
-    minimumHeight: 400 * screenScaleFactor
+    minimumHeight: 450 * screenScaleFactor
     width: minimumWidth
     height: minimumHeight
 
diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index c89f476fa9..914aa1dee0 100755
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -441,7 +441,7 @@ class CuraEngineBackend(QObject, Backend):
 
     def _onStackErrorCheckFinished(self):
         self._is_error_check_scheduled = False
-        if self._need_slicing:
+        if not self._slicing and self._need_slicing:
             self.needsSlicing()
             self._onChanged()
 
@@ -536,7 +536,6 @@ class CuraEngineBackend(QObject, Backend):
     #
     #   \param message The protobuf message containing the print time per feature
     def _parseMessagePrintTimes(self, message):
-
         result = {
             "inset_0": message.time_inset_0,
             "inset_x": message.time_inset_x,
diff --git a/plugins/MachineSettingsAction/MachineSettingsAction.qml b/plugins/MachineSettingsAction/MachineSettingsAction.qml
index 613a28f3b7..cd7738da11 100644
--- a/plugins/MachineSettingsAction/MachineSettingsAction.qml
+++ b/plugins/MachineSettingsAction/MachineSettingsAction.qml
@@ -247,7 +247,7 @@ Cura.MachineAction
 
                                 Row
                                 {
-                                    spacing: UM.Theme.getSize("default_margin").width
+                                    spacing: UM.Theme.getSize("default_margin").width * 4 / 5
 
                                     Label
                                     {
@@ -648,7 +648,7 @@ Cura.MachineAction
 
             Row
             {
-                spacing: UM.Theme.getSize("default_margin").width
+                spacing: UM.Theme.getSize("default_margin").width * 4 / 5
 
                 Label
                 {
diff --git a/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml b/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
index b9b85ef2d4..7594d1691d 100644
--- a/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
+++ b/plugins/UM3NetworkPrinting/DiscoverUM3Action.qml
@@ -321,7 +321,7 @@ Cura.MachineAction
         title: catalog.i18nc("@title:window", "Printer Address")
 
         minimumWidth: 400 * screenScaleFactor
-        minimumHeight: 120 * screenScaleFactor
+        minimumHeight: 130 * screenScaleFactor
         width: minimumWidth
         height: minimumHeight
 
diff --git a/plugins/UM3NetworkPrinting/PrinterInfoBlock.qml b/plugins/UM3NetworkPrinting/PrinterInfoBlock.qml
index da5ebc7e37..25be77bd7d 100644
--- a/plugins/UM3NetworkPrinting/PrinterInfoBlock.qml
+++ b/plugins/UM3NetworkPrinting/PrinterInfoBlock.qml
@@ -189,7 +189,7 @@ Rectangle
                 PrintCoreConfiguration
                 {
                     id: leftExtruderInfo
-                    width: (parent.width - extruderSeperator.width) / 2
+                    width: Math.floor((parent.width - extruderSeperator.width) / 2)
                     printCoreConfiguration: printer.configuration[0]
                 }
 
@@ -204,7 +204,7 @@ Rectangle
                 PrintCoreConfiguration
                 {
                     id: rightExtruderInfo
-                    width: (parent.width - extruderSeperator.width) / 2
+                    width: Math.floor((parent.width - extruderSeperator.width) / 2)
                     printCoreConfiguration: printer.configuration[1]
                 }
             }
@@ -404,6 +404,8 @@ Rectangle
                         anchors.left: parent.left
                         anchors.right: parent.right
                         elide: Text.ElideRight
+                        wrapMode: Text.Wrap
+
                         font: UM.Theme.getFont("default")
                     }
 
diff --git a/resources/qml/Preferences/MaterialView.qml b/resources/qml/Preferences/MaterialView.qml
index c1750b2342..b13ce1aadf 100644
--- a/resources/qml/Preferences/MaterialView.qml
+++ b/resources/qml/Preferences/MaterialView.qml
@@ -16,8 +16,8 @@ TabView
 
     property bool editingEnabled: false;
     property string currency: UM.Preferences.getValue("cura/currency") ? UM.Preferences.getValue("cura/currency") : "€"
-    property real firstColumnWidth: (width * 0.45) | 0
-    property real secondColumnWidth: (width * 0.45) | 0
+    property real firstColumnWidth: (width * 0.50) | 0
+    property real secondColumnWidth: (width * 0.40) | 0
     property string containerId: ""
     property var materialPreferenceValues: UM.Preferences.getValue("cura/material_settings") ? JSON.parse(UM.Preferences.getValue("cura/material_settings")) : {}