diff --git a/cura/Settings/ContainerManager.py b/cura/Settings/ContainerManager.py
index 40e036eba5..c082c64da1 100644
--- a/cura/Settings/ContainerManager.py
+++ b/cura/Settings/ContainerManager.py
@@ -254,6 +254,10 @@ class ContainerManager(QObject):
                 return True
         return False
 
+    @pyqtSlot(str, result = str)
+    def makeUniqueName(self, original_name):
+        return self._container_registry.uniqueName(original_name)
+
     ##  Get a list of string that can be used as name filters for a Qt File Dialog
     #
     #   This will go through the list of available container types and generate a list of strings
diff --git a/plugins/SolidView/SolidView.py b/plugins/SolidView/SolidView.py
index 3b56ac1881..2d017f829f 100644
--- a/plugins/SolidView/SolidView.py
+++ b/plugins/SolidView/SolidView.py
@@ -13,6 +13,7 @@ from UM.Settings.Validator import ValidatorState
 from UM.View.GL.OpenGL import OpenGL
 
 import cura.Settings
+from cura.Settings.ExtruderManager import ExtruderManager
 
 import math
 
@@ -45,8 +46,16 @@ class SolidView(View):
 
         global_container_stack = Application.getInstance().getGlobalContainerStack()
         if global_container_stack:
+            multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
+
+            if multi_extrusion:
+                support_extruder_nr = global_container_stack.getProperty("support_extruder_nr", "value")
+                support_angle_stack = ExtruderManager.getInstance().getExtruderStack(support_extruder_nr)
+            else:
+                support_angle_stack = global_container_stack
+
             if Preferences.getInstance().getValue("view/show_overhang"):
-                angle = global_container_stack.getProperty("support_angle", "value")
+                angle = support_angle_stack.getProperty("support_angle", "value")
                 # Make sure the overhang angle is valid before passing it to the shader
                 # Note: if the overhang angle is set to its default value, it does not need to get validated (validationState = None)
                 if angle is not None and global_container_stack.getProperty("support_angle", "validationState") in [None, ValidatorState.Valid]:
@@ -56,7 +65,6 @@ class SolidView(View):
             else:
                 self._enabled_shader.setUniformValue("u_overhangAngle", math.cos(math.radians(0)))
 
-            multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
 
         for node in DepthFirstIterator(scene.getRoot()):
             if not node.render(renderer):
diff --git a/plugins/USBPrinting/USBPrinterOutputDeviceManager.py b/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
index 603696f1c6..4dec2e3a06 100644
--- a/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
+++ b/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
@@ -105,7 +105,8 @@ class USBPrinterOutputDeviceManager(QObject, OutputDevicePlugin, Extension):
 
     @pyqtSlot(str)
     def updateAllFirmware(self, file_name):
-        file_name = file_name.replace("file://", "")  # File dialogs prepend the path with file://, which we don't need / want
+        if file_name.startswith("file://"):
+            file_name = QUrl(file_name).toLocalFile() # File dialogs prepend the path with file://, which we don't need / want
         if not self._usb_output_devices:
             Message(i18n_catalog.i18nc("@info", "Unable to update firmware because there are no printers connected.")).show()
             return
diff --git a/resources/qml/Cura.qml b/resources/qml/Cura.qml
index 42c2ad9cf4..005a0892a3 100644
--- a/resources/qml/Cura.qml
+++ b/resources/qml/Cura.qml
@@ -464,12 +464,11 @@ UM.MainWindow
         target: Cura.Actions.addProfile
         onTriggered:
         {
-            Cura.ContainerManager.createQualityChanges(null);
             preferences.setPage(4);
             preferences.show();
 
-            // Show the renameDialog after a very short delay so the preference page has time to initiate
-            showProfileNameDialogTimer.start();
+            // Create a new profile after a very short delay so the preference page has time to initiate
+            createProfileTimer.start();
         }
     }
 
@@ -516,11 +515,11 @@ UM.MainWindow
 
     Timer
     {
-        id: showProfileNameDialogTimer
+        id: createProfileTimer
         repeat: false
         interval: 1
 
-        onTriggered: preferences.getCurrentItem().showProfileNameDialog()
+        onTriggered: preferences.getCurrentItem().createProfile()
     }
 
     // BlurSettings is a way to force the focus away from any of the setting items.
diff --git a/resources/qml/Preferences/ProfilesPage.qml b/resources/qml/Preferences/ProfilesPage.qml
index 56d8bd41a4..4e872bdc2b 100644
--- a/resources/qml/Preferences/ProfilesPage.qml
+++ b/resources/qml/Preferences/ProfilesPage.qml
@@ -84,7 +84,7 @@ UM.ManagementPage
 
             onClicked:
             {
-                newNameDialog.object = base.currentItem != null ? base.currentItem.name : "";
+                newNameDialog.object = base.currentItem != null ? Cura.ContainerManager.makeUniqueName(base.currentItem.name) : "";
                 newNameDialog.open();
                 newNameDialog.selectText();
             }
@@ -100,7 +100,7 @@ UM.ManagementPage
 
             onClicked:
             {
-                newDuplicateNameDialog.object = base.currentItem.name;
+                newDuplicateNameDialog.object = Cura.ContainerManager.makeUniqueName(base.currentItem.name);
                 newDuplicateNameDialog.open();
                 newDuplicateNameDialog.selectText();
             }
@@ -141,11 +141,12 @@ UM.ManagementPage
 
     scrollviewCaption: catalog.i18nc("@label %1 is printer name","Printer: %1").arg(Cura.MachineManager.activeMachineName)
 
-    signal showProfileNameDialog()
-    onShowProfileNameDialog:
+    signal createProfile()
+    onCreateProfile:
     {
-        renameDialog.open();
-        renameDialog.selectText();
+        newNameDialog.object = base.currentItem != null ? Cura.ContainerManager.makeUniqueName(base.currentItem.name) : "";
+        newNameDialog.open();
+        newNameDialog.selectText();
     }
 
     signal selectContainer(string name)
@@ -267,6 +268,7 @@ UM.ManagementPage
 
         UM.RenameDialog
         {
+            title: catalog.i18nc("@title:window", "Rename Profile")
             id: renameDialog;
             object: base.currentItem != null ? base.currentItem.name : ""
             onAccepted:
@@ -279,6 +281,7 @@ UM.ManagementPage
         // Dialog to request a name when creating a new profile
         UM.RenameDialog
         {
+            title: catalog.i18nc("@title:window", "Create Profile")
             id: newNameDialog;
             object: "<new name>";
             onAccepted:
@@ -292,6 +295,7 @@ UM.ManagementPage
         // Dialog to request a name when duplicating a new profile
         UM.RenameDialog
         {
+            title: catalog.i18nc("@title:window", "Duplicate Profile")
             id: newDuplicateNameDialog;
             object: "<new name>";
             onAccepted: