diff --git a/plugins/ChangeLogPlugin/ChangeLog.txt b/plugins/ChangeLogPlugin/ChangeLog.txt
index 3e101919d4..97651ecd1c 100755
--- a/plugins/ChangeLogPlugin/ChangeLog.txt
+++ b/plugins/ChangeLogPlugin/ChangeLog.txt
@@ -36,7 +36,7 @@ A dark theme for Cura. Select this theme to reduce eyestrain when working in dar
 The top bar user interface been improved so that “Prepare” and “Print” have moved from the right side of the interface to the left side.
 
 *New keyboard shortcuts
-Models can now be manipulated on the build plate using hotkeys Q, A, Z, W, and tab keys. Q selects “move”, A selects “scale”, Z selects “rotate”, and W selects “mirror”. Use the tab key to navigate between interfaces.
+Models can now be manipulated on the build plate using hotkeys Q, A, Z, W, and tab keys. Q selects “move”, A selects “scale”, Z selects “rotate”, and W selects “mirror”. Use the tab key to navigate between settings.
 
 *Plugin browser
 Easily download and install plugins using an integrated plugin browser. Go to “Extensions > Plugin Browser > Browse plugins” to select it.
@@ -61,7 +61,7 @@ Polish language support added. This can be selected in the preferences menu.
 - Crashes when adding printers
 - Jerk fixes
 - Z-hop over-extrusion
-
+- Material diameter in machine settings
 
 *3rd party printers
 - Peopoly Moai
diff --git a/plugins/VersionUpgrade/VersionUpgrade25to26/VersionUpgrade25to26.py b/plugins/VersionUpgrade/VersionUpgrade25to26/VersionUpgrade25to26.py
index 88de81d10b..5b3632a095 100644
--- a/plugins/VersionUpgrade/VersionUpgrade25to26/VersionUpgrade25to26.py
+++ b/plugins/VersionUpgrade/VersionUpgrade25to26/VersionUpgrade25to26.py
@@ -204,6 +204,9 @@ class VersionUpgrade25to26(VersionUpgrade):
         # create a definition changes container for this stack
         definition_changes_parser = self._getCustomFdmPrinterDefinitionChanges(stack_id)
         definition_changes_id = definition_changes_parser["general"]["name"]
+        # create a user settings container
+        user_settings_parser = self._getCustomFdmPrinterUserSettings(stack_id)
+        user_settings_id = user_settings_parser["general"]["name"]
 
         parser = configparser.ConfigParser()
         parser.add_section("general")
@@ -217,7 +220,7 @@ class VersionUpgrade25to26(VersionUpgrade):
         parser["metadata"]["position"] = str(position)
 
         parser.add_section("containers")
-        parser["containers"]["0"] = "empty"
+        parser["containers"]["0"] = user_settings_id
         parser["containers"]["1"] = "empty_quality_changes"
         parser["containers"]["2"] = quality_id
         parser["containers"]["3"] = material_id
@@ -229,15 +232,22 @@ class VersionUpgrade25to26(VersionUpgrade):
         definition_changes_parser.write(definition_changes_output)
         definition_changes_filename = quote_plus(definition_changes_id) + ".inst.cfg"
 
+        user_settings_output = io.StringIO()
+        user_settings_parser.write(user_settings_output)
+        user_settings_filename = quote_plus(user_settings_id) + ".inst.cfg"
+
         extruder_output = io.StringIO()
         parser.write(extruder_output)
         extruder_filename = quote_plus(stack_id) + ".extruder.cfg"
 
         extruder_stack_dir = Resources.getPath(CuraApplication.ResourceTypes.ExtruderStack)
         definition_changes_dir = Resources.getPath(CuraApplication.ResourceTypes.DefinitionChangesContainer)
+        user_settings_dir = Resources.getPath(CuraApplication.ResourceTypes.UserInstanceContainer)
 
         with open(os.path.join(definition_changes_dir, definition_changes_filename), "w") as f:
             f.write(definition_changes_output.getvalue())
+        with open(os.path.join(user_settings_dir, user_settings_filename), "w") as f:
+            f.write(user_settings_output.getvalue())
         with open(os.path.join(extruder_stack_dir, extruder_filename), "w") as f:
             f.write(extruder_output.getvalue())
 
@@ -261,3 +271,25 @@ class VersionUpgrade25to26(VersionUpgrade):
         parser.add_section("values")
 
         return parser
+
+    ##  Creates a user settings container which doesn't contain anything for the Custom FDM Printers.
+    #   The container ID will be automatically generated according to the given stack name.
+    def _getCustomFdmPrinterUserSettings(self, stack_id: str):
+        # For the extruder stacks created in the upgrade, also create user_settings containers so the user changes
+        # will be saved.
+        user_settings_id = stack_id + "_user"
+
+        parser = configparser.ConfigParser()
+        parser.add_section("general")
+        parser["general"]["version"] = str(2)
+        parser["general"]["name"] = user_settings_id
+        parser["general"]["definition"] = "custom"
+
+        parser.add_section("metadata")
+        parser["metadata"]["extruder"] = stack_id
+        parser["metadata"]["type"] = "user"
+        parser["metadata"]["setting_version"] = str(1)
+
+        parser.add_section("values")
+
+        return parser