diff --git a/.gitignore b/.gitignore
index ac1e8eba92..f67add62cf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,6 +44,7 @@ plugins/cura-god-mode-plugin
 plugins/cura-big-flame-graph
 plugins/cura-siemensnx-plugin
 plugins/CuraVariSlicePlugin
+plugins/CuraLiveScriptingPlugin
 
 #Build stuff
 CMakeCache.txt
diff --git a/cura/PrintInformation.py b/cura/PrintInformation.py
index 3cced2f85c..f0c29f5b81 100644
--- a/cura/PrintInformation.py
+++ b/cura/PrintInformation.py
@@ -70,6 +70,7 @@ class PrintInformation(QObject):
 
         Application.getInstance().globalContainerStackChanged.connect(self._updateJobName)
         Application.getInstance().fileLoaded.connect(self.setBaseName)
+        Application.getInstance().workspaceLoaded.connect(self.setProjectName)
         Preferences.getInstance().preferenceChanged.connect(self._onPreferencesChanged)
 
         self._active_material_container = None
@@ -283,7 +284,11 @@ class PrintInformation(QObject):
         return self._base_name
 
     @pyqtSlot(str)
-    def setBaseName(self, base_name):
+    def setProjectName(self, name):
+        self.setBaseName(name, is_project_file = True)
+
+    @pyqtSlot(str)
+    def setBaseName(self, base_name, is_project_file = False):
         # Ensure that we don't use entire path but only filename
         name = os.path.basename(base_name)
 
@@ -291,15 +296,17 @@ class PrintInformation(QObject):
         # extension. This cuts the extension off if necessary.
         name = os.path.splitext(name)[0]
 
+        # if this is a profile file, always update the job name
         # name is "" when I first had some meshes and afterwards I deleted them so the naming should start again
         is_empty = name == ""
-        if is_empty or (self._base_name == "" and self._base_name != name):
+        if is_project_file or (is_empty or (self._base_name == "" and self._base_name != name)):
             # remove ".curaproject" suffix from (imported) the file name
             if name.endswith(".curaproject"):
                 name = name[:name.rfind(".curaproject")]
             self._base_name = name
             self._updateJobName()
 
+
     ##  Created an acronymn-like abbreviated machine name from the currently active machine name
     #   Called each time the global stack is switched
     def _setAbbreviatedMachineName(self):
diff --git a/cura/Settings/CuraContainerRegistry.py b/cura/Settings/CuraContainerRegistry.py
index 7abe5b35f5..1674405824 100644
--- a/cura/Settings/CuraContainerRegistry.py
+++ b/cura/Settings/CuraContainerRegistry.py
@@ -409,7 +409,7 @@ class CuraContainerRegistry(ContainerRegistry):
         extruder_stack = None
 
         # if extruders are defined in the machine definition use those instead
-        if machine.extruders and len(machine.extruders) > 0:
+        if machine.extruders and "0" in machine.extruders:
             new_extruder_id = machine.extruders["0"].getId()
             extruder_stack = machine.extruders["0"]
 
@@ -449,15 +449,16 @@ class CuraContainerRegistry(ContainerRegistry):
             extruder_stack.setVariantById(variant_id)
             extruder_stack.setMaterialById("default")
             extruder_stack.setQualityById("default")
-            quality_changes_id = "default"
             if machine.qualityChanges.getId() != "empty_quality_changes":
                 extruder_quality_changes_container = self.findInstanceContainers(name = machine.qualityChanges.getName(), extruder = extruder_id)
                 if extruder_quality_changes_container:
                     quality_changes_id = extruder_quality_changes_container[0].getId()
-            extruder_stack.setQualityChangesById(quality_changes_id)
+                    extruder_stack.setQualityChangesById(quality_changes_id)
 
             self.addContainer(extruder_stack)
 
+        return extruder_stack
+
     # Fix the extruders that were upgraded to ExtruderStack instances during addContainer.
     # The stacks are now responsible for setting the next stack on deserialize. However,
     # due to problems with loading order, some stacks may not have the proper next stack
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 002c84fb67..ca929b46fc 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -621,9 +621,16 @@ class MachineManager(QObject):
     def activeQualityId(self) -> str:
         if self._active_container_stack:
             quality = self._active_container_stack.quality
+            if isinstance(quality, type(self._empty_quality_container)):
+                return ""
             quality_changes = self._active_container_stack.qualityChanges
-            if quality and quality_changes and isinstance(quality_changes, type(self._empty_quality_changes_container)) and not isinstance(quality, type(self._empty_quality_container)):
-                return quality.getId()
+            if quality and quality_changes:
+                if isinstance(quality_changes, type(self._empty_quality_changes_container)):
+                    # It's a built-in profile
+                    return quality.getId()
+                else:
+                    # Custom profile
+                    return quality_changes.getId()
         return ""
 
     @pyqtProperty(str, notify=activeQualityChanged)
diff --git a/plugins/3MFReader/ThreeMFWorkspaceReader.py b/plugins/3MFReader/ThreeMFWorkspaceReader.py
index a237460bab..aa81399b56 100755
--- a/plugins/3MFReader/ThreeMFWorkspaceReader.py
+++ b/plugins/3MFReader/ThreeMFWorkspaceReader.py
@@ -746,7 +746,7 @@ class ThreeMFWorkspaceReader(WorkspaceReader):
             # If not extruder stacks were saved in the project file (pre 3.1) create one manually
             # We re-use the container registry's addExtruderStackForSingleExtrusionMachine method for this
             if not extruder_stacks:
-                self._container_registry.addExtruderStackForSingleExtrusionMachine(global_stack, "fdmextruder")
+                extruder_stacks.append(self._container_registry.addExtruderStackForSingleExtrusionMachine(global_stack, "fdmextruder"))
 
         except:
             Logger.logException("w", "We failed to serialize the stack. Trying to clean up.")