diff --git a/cura/Machines/MachineNode.py b/cura/Machines/MachineNode.py
index 72652f2987..8d69ffdc8d 100644
--- a/cura/Machines/MachineNode.py
+++ b/cura/Machines/MachineNode.py
@@ -140,7 +140,7 @@ class MachineNode(ContainerNode):
             elif groups_by_name[name].intent_category == "default":  # Intent category should be stored as "default" if everything is default or as the intent if any of the extruder have an actual intent.
                 groups_by_name[name].intent_category = quality_changes.get("intent_category", "default")
 
-            if "position" in quality_changes:  # An extruder profile.
+            if quality_changes.get("position") is not None:  # An extruder profile.
                 groups_by_name[name].metadata_per_extruder[int(quality_changes["position"])] = quality_changes
             else:  # Global profile.
                 groups_by_name[name].metadata_for_global = quality_changes
diff --git a/cura/Machines/Models/BaseMaterialsModel.py b/cura/Machines/Models/BaseMaterialsModel.py
index 73d9d48b22..db660704b5 100644
--- a/cura/Machines/Models/BaseMaterialsModel.py
+++ b/cura/Machines/Models/BaseMaterialsModel.py
@@ -6,6 +6,7 @@ from typing import Dict, Set
 from PyQt5.QtCore import Qt, QTimer, pyqtSignal, pyqtProperty
 
 from UM.Qt.ListModel import ListModel
+from UM.Logger import Logger
 
 import cura.CuraApplication  # Imported like this to prevent a circular reference.
 from cura.Machines.ContainerTree import ContainerTree
@@ -153,7 +154,12 @@ class BaseMaterialsModel(ListModel):
         if not extruder_stack:
             return
         nozzle_name = extruder_stack.variant.getName()
-        materials = ContainerTree.getInstance().machines[global_stack.definition.getId()].variants[nozzle_name].materials
+        machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()]
+        if nozzle_name not in machine_node.variants:
+            Logger.log("w", "Unable to find variant %s in container tree", nozzle_name)
+            self._available_materials = {}
+            return
+        materials = machine_node.variants[nozzle_name].materials
         approximate_material_diameter = extruder_stack.getApproximateMaterialDiameter()
         self._available_materials = {key: material for key, material in materials.items() if float(material.getMetaDataEntry("approximate_diameter", -1)) == approximate_material_diameter}
 
diff --git a/cura/Machines/Models/IntentCategoryModel.py b/cura/Machines/Models/IntentCategoryModel.py
index 48889b1144..202d79bb15 100644
--- a/cura/Machines/Models/IntentCategoryModel.py
+++ b/cura/Machines/Models/IntentCategoryModel.py
@@ -1,9 +1,10 @@
 #Copyright (c) 2019 Ultimaker B.V.
 #Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, QTimer
 import collections
+from PyQt5.QtCore import Qt, QTimer
 from typing import TYPE_CHECKING, Optional, Dict
+from cura.Machines.Models.IntentTranslations import intent_translations
 
 from cura.Machines.Models.IntentModel import IntentModel
 from cura.Settings.IntentManager import IntentManager
@@ -53,7 +54,6 @@ class IntentCategoryModel(ListModel):
             }
         return cls._translations
 
-
     ##  Creates a new model for a certain intent category.
     #   \param The category to list the intent profiles for.
     def __init__(self, intent_category: str) -> None:
@@ -110,7 +110,7 @@ class IntentCategoryModel(ListModel):
         result.sort(key = lambda k: k["weight"])
         self.setItems(result)
 
-    ##  Get a display value for a category. See IntenCategoryModel._translations
+    ##  Get a display value for a category.
     ##  for categories and keys
     @staticmethod
     def translation(category: str, key: str, default: Optional[str] = None):
diff --git a/cura/Machines/Models/IntentTranslations.py b/cura/Machines/Models/IntentTranslations.py
new file mode 100644
index 0000000000..f78e8df128
--- /dev/null
+++ b/cura/Machines/Models/IntentTranslations.py
@@ -0,0 +1,21 @@
+import collections
+from UM.i18n import i18nCatalog
+from typing import Dict, Optional
+catalog = i18nCatalog("cura")
+
+intent_translations = collections.OrderedDict()  # type: "collections.OrderedDict[str, Dict[str, Optional[str]]]"
+intent_translations["default"] = {
+    "name": catalog.i18nc("@label", "Default")
+}
+intent_translations["visual"] = {
+    "name": catalog.i18nc("@label", "Visual"),
+    "description": catalog.i18nc("@text", "The visual profile is designed to print visual prototypes and models with the intent of high visual and surface quality.")
+}
+intent_translations["engineering"] = {
+    "name": catalog.i18nc("@label", "Engineering"),
+    "description": catalog.i18nc("@text", "The engineering profile is designed to print functional prototypes and end-use parts with the intent of better accuracy and for closer tolerances.")
+}
+intent_translations["quick"] = {
+    "name": catalog.i18nc("@label", "Draft"),
+    "description": catalog.i18nc("@text", "The draft profile is designed to print initial prototypes and concept validation with the intent of significant print time reduction.")
+}
\ No newline at end of file
diff --git a/cura/Machines/Models/QualityManagementModel.py b/cura/Machines/Models/QualityManagementModel.py
index d8b0785778..74dc8649d0 100644
--- a/cura/Machines/Models/QualityManagementModel.py
+++ b/cura/Machines/Models/QualityManagementModel.py
@@ -14,6 +14,7 @@ from cura.Machines.ContainerTree import ContainerTree
 from cura.Settings.cura_empty_instance_containers import empty_quality_changes_container
 from cura.Settings.IntentManager import IntentManager
 from cura.Machines.Models.MachineModelUtils import fetchLayerHeight
+from cura.Machines.Models.IntentTranslations import intent_translations
 
 from UM.i18n import i18nCatalog
 catalog = i18nCatalog("cura")
@@ -336,10 +337,11 @@ class QualityManagementModel(ListModel):
                 "quality_type": quality_type,
                 "quality_changes_group": None,
                 "intent_category": intent_category,
-                "section_name": catalog.i18nc("@label", intent_category.capitalize()),
+                "section_name": catalog.i18nc("@label", intent_translations.get(intent_category, {}).get("name", catalog.i18nc("@label", "Unknown"))),
             })
         # Sort by quality_type for each intent category
-        result = sorted(result, key = lambda x: (x["intent_category"], x["quality_type"]))
+
+        result = sorted(result, key = lambda x: (list(intent_translations).index(x["intent_category"]), x["quality_type"]))
         item_list += result
 
         # Create quality_changes group items
diff --git a/cura/Machines/VariantNode.py b/cura/Machines/VariantNode.py
index 8275c70e62..b2115ca099 100644
--- a/cura/Machines/VariantNode.py
+++ b/cura/Machines/VariantNode.py
@@ -85,11 +85,20 @@ class VariantNode(ContainerNode):
         for base_material, material_node in self.materials.items():
             if self.machine.preferred_material == base_material and approximate_diameter == int(material_node.getMetaDataEntry("approximate_diameter")):
                 return material_node
-        # First fallback: Choose any material with matching diameter.
+            
+        # First fallback: Check if we should be checking for the 175 variant.
+        if approximate_diameter == 2:
+            preferred_material = self.machine.preferred_material + "_175"
+            for base_material, material_node in self.materials.items():
+                if preferred_material == base_material and approximate_diameter == int(material_node.getMetaDataEntry("approximate_diameter")):
+                    return material_node
+        
+        # Second fallback: Choose any material with matching diameter.
         for material_node in self.materials.values():
             if material_node.getMetaDataEntry("approximate_diameter") and approximate_diameter == int(material_node.getMetaDataEntry("approximate_diameter")):
                 Logger.log("w", "Could not find preferred material %s, falling back to whatever works", self.machine.preferred_material)
                 return material_node
+
         fallback = next(iter(self.materials.values()))  # Should only happen with empty material node.
         Logger.log("w", "Could not find preferred material {preferred_material} with diameter {diameter} for variant {variant_id}, falling back to {fallback}.".format(
             preferred_material = self.machine.preferred_material,
diff --git a/cura/OAuth2/AuthorizationHelpers.py b/cura/OAuth2/AuthorizationHelpers.py
index 08309fa30e..9fc01ba50b 100644
--- a/cura/OAuth2/AuthorizationHelpers.py
+++ b/cura/OAuth2/AuthorizationHelpers.py
@@ -99,7 +99,7 @@ class AuthorizationHelpers:
             })
         except requests.exceptions.ConnectionError:
             # Connection was suddenly dropped. Nothing we can do about that.
-            Logger.log("w", "Something failed while attempting to parse the JWT token")
+            Logger.logException("w", "Something failed while attempting to parse the JWT token")
             return None
         if token_request.status_code not in (200, 201):
             Logger.log("w", "Could not retrieve token data from auth server: %s", token_request.text)
diff --git a/cura/Settings/ContainerManager.py b/cura/Settings/ContainerManager.py
index 4a4a7b64dd..ff129d35e2 100644
--- a/cura/Settings/ContainerManager.py
+++ b/cura/Settings/ContainerManager.py
@@ -339,11 +339,11 @@ class ContainerManager(QObject):
     #   \return A list of names of materials with the same GUID.
     @pyqtSlot("QVariant", bool, result = "QStringList")
     def getLinkedMaterials(self, material_node: "MaterialNode", exclude_self: bool = False) -> List[str]:
-        same_guid = ContainerRegistry.getInstance().findInstanceContainersMetadata(guid = material_node.guid)
+        same_guid = ContainerRegistry.getInstance().findInstanceContainersMetadata(GUID = material_node.guid)
         if exclude_self:
-            return [metadata["name"] for metadata in same_guid if metadata["base_file"] != material_node.base_file]
+            return list({meta["name"] for meta in same_guid if meta["base_file"] != material_node.base_file})
         else:
-            return [metadata["name"] for metadata in same_guid]
+            return list({meta["name"] for meta in same_guid})
 
     ##  Unlink a material from all other materials by creating a new GUID
     #   \param material_id \type{str} the id of the material to create a new GUID for.
diff --git a/cura/Settings/IntentManager.py b/cura/Settings/IntentManager.py
index c1d59fb84a..c53022fb6c 100644
--- a/cura/Settings/IntentManager.py
+++ b/cura/Settings/IntentManager.py
@@ -3,11 +3,13 @@
 
 from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
 from typing import Any, Dict, List, Optional, Set, Tuple, TYPE_CHECKING
-import cura.CuraApplication
+
 from UM.Logger import Logger
+from UM.Settings.InstanceContainer import InstanceContainer
+
+import cura.CuraApplication
 from cura.Machines.ContainerTree import ContainerTree
 from cura.Settings.cura_empty_instance_containers import empty_intent_container
-from UM.Settings.InstanceContainer import InstanceContainer
 
 if TYPE_CHECKING:
     from UM.Settings.InstanceContainer import InstanceContainer
@@ -36,8 +38,12 @@ class IntentManager(QObject):
     #   \return A list of metadata dictionaries matching the search criteria, or
     #   an empty list if nothing was found.
     def intentMetadatas(self, definition_id: str, nozzle_name: str, material_base_file: str) -> List[Dict[str, Any]]:
-        material_node = ContainerTree.getInstance().machines[definition_id].variants[nozzle_name].materials[material_base_file]
-        intent_metadatas = []
+        intent_metadatas = []  # type: List[Dict[str, Any]]
+        materials = ContainerTree.getInstance().machines[definition_id].variants[nozzle_name].materials
+        if material_base_file not in materials:
+            return intent_metadatas
+
+        material_node = materials[material_base_file]
         for quality_node in material_node.qualities.values():
             for intent_node in quality_node.intents.values():
                 intent_metadatas.append(intent_node.getMetadata())
diff --git a/plugins/Toolbox/src/Toolbox.py b/plugins/Toolbox/src/Toolbox.py
index 08b6c80b1d..be62873a2f 100644
--- a/plugins/Toolbox/src/Toolbox.py
+++ b/plugins/Toolbox/src/Toolbox.py
@@ -48,7 +48,7 @@ class Toolbox(QObject, Extension):
         self._download_progress = 0  # type: float
         self._is_downloading = False  # type: bool
         self._network_manager = None  # type: Optional[QNetworkAccessManager]
-        self._request_headers = [] # type: List[Tuple[bytes, bytes]]
+        self._request_headers = []  # type: List[Tuple[bytes, bytes]]
         self._updateRequestHeader()
 
         self._request_urls = {}  # type: Dict[str, QUrl]
@@ -59,13 +59,15 @@ class Toolbox(QObject, Extension):
         # The responses as given by the server parsed to a list.
         self._server_response_data = {
             "authors":             [],
-            "packages":            []
+            "packages":            [],
+            "updates":             [],
         }  # type: Dict[str, List[Any]]
 
         # Models:
         self._models = {
             "authors":             AuthorsModel(self),
             "packages":            PackagesModel(self),
+            "updates":             PackagesModel(self),
         }  # type: Dict[str, Union[AuthorsModel, PackagesModel]]
 
         self._plugins_showcase_model = PackagesModel(self)
@@ -186,18 +188,24 @@ class Toolbox(QObject, Extension):
             cloud_api_version = self._cloud_api_version,
             sdk_version = self._sdk_version
         )
+
+        # We need to construct a query like installed_packages=ID:VERSION&installed_packages=ID:VERSION, etc.
+        installed_package_ids_with_versions = [":".join(items) for items in
+                                               self._package_manager.getAllInstalledPackageIdsAndVersions()]
+        installed_packages_query = "&installed_packages=".join(installed_package_ids_with_versions)
+
         self._request_urls = {
             "authors": QUrl("{base_url}/authors".format(base_url = self._api_url)),
-            "packages": QUrl("{base_url}/packages".format(base_url = self._api_url))
+            "packages": QUrl("{base_url}/packages".format(base_url = self._api_url)),
+            "updates": QUrl("{base_url}/packages/package-updates?installed_packages={query}".format(
+                base_url = self._api_url, query = installed_packages_query))
         }
 
-        # Request the latest and greatest!
-        self._fetchPackageData()
+        # On boot we check which packages have updates.
+        if len(installed_package_ids_with_versions) > 0:
+            self._fetchPackageUpdates()
 
-    def _fetchPackageData(self):
-        # Create the network manager:
-        # This was formerly its own function but really had no reason to be as
-        # it was never called more than once ever.
+    def _prepareNetworkManager(self):
         if self._network_manager is not None:
             self._network_manager.finished.disconnect(self._onRequestFinished)
             self._network_manager.networkAccessibleChanged.disconnect(self._onNetworkAccessibleChanged)
@@ -205,10 +213,15 @@ class Toolbox(QObject, Extension):
         self._network_manager.finished.connect(self._onRequestFinished)
         self._network_manager.networkAccessibleChanged.connect(self._onNetworkAccessibleChanged)
 
+    def _fetchPackageUpdates(self):
+        self._prepareNetworkManager()
+        self._makeRequestByType("updates")
+
+    def _fetchPackageData(self):
+        self._prepareNetworkManager()
         # Make remote requests:
         self._makeRequestByType("packages")
         self._makeRequestByType("authors")
-
         # Gather installed packages:
         self._updateInstalledModels()
 
@@ -234,7 +247,7 @@ class Toolbox(QObject, Extension):
         if not plugin_path:
             return None
         path = os.path.join(plugin_path, "resources", "qml", qml_name)
-        
+
         dialog = self._application.createQmlComponent(path, {"toolbox": self})
         if not dialog:
             raise Exception("Failed to create Marketplace dialog")
@@ -618,7 +631,7 @@ class Toolbox(QObject, Extension):
                             if not self._models[response_type]:
                                 Logger.log("e", "Could not find the %s model.", response_type)
                                 break
-                            
+
                             self._server_response_data[response_type] = json_data["data"]
                             self._models[response_type].setMetadata(self._server_response_data[response_type])
 
@@ -630,6 +643,10 @@ class Toolbox(QObject, Extension):
                             elif response_type == "authors":
                                 self._models[response_type].setFilter({"package_types": "material"})
                                 self._models[response_type].setFilter({"tags": "generic"})
+                            elif response_type == "updates":
+                                # Tell the package manager that there's a new set of updates available.
+                                packages = set([pkg["package_id"] for pkg in self._server_response_data[response_type]])
+                                self._package_manager.setPackagesWithUpdate(packages)
 
                             self.metadataChanged.emit()
 
@@ -660,7 +677,7 @@ class Toolbox(QObject, Extension):
                 self.setIsDownloading(False)
                 self._download_reply = cast(QNetworkReply, self._download_reply)
                 self._download_reply.downloadProgress.disconnect(self._onDownloadProgress)
-                
+
                 # Check if the download was sucessfull
                 if self._download_reply.attribute(QNetworkRequest.HttpStatusCodeAttribute) != 200:
                     try:
diff --git a/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml b/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
index afa9fda0bd..316878a2bd 100644
--- a/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
+++ b/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
@@ -100,7 +100,6 @@ UM.Dialog
                 {
                     text: styleData.value
                     font: UM.Theme.getFont("system")
-                    color: UM.Theme.getColor("setting_control_disabled_text")
                 }
             }
 
diff --git a/resources/qml/Preferences/Materials/MaterialsView.qml b/resources/qml/Preferences/Materials/MaterialsView.qml
index f781497081..57253b9dff 100644
--- a/resources/qml/Preferences/Materials/MaterialsView.qml
+++ b/resources/qml/Preferences/Materials/MaterialsView.qml
@@ -46,7 +46,7 @@ TabView
         {
             return ""
         }
-        return linkedMaterials.join(", ");
+        return linkedMaterials;
     }
 
     function getApproximateDiameter(diameter)
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
index 5e58faec78..337aff573f 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
@@ -160,15 +160,25 @@ Item
                     enabled: model.description !== undefined
                     acceptedButtons: Qt.NoButton // react to hover only, don't steal clicks
 
-                    onEntered:
+                    Timer
                     {
-                        base.showTooltip(
+                        id: intentTooltipTimer
+                        interval: 500
+                        running: false
+                        repeat: false
+                        onTriggered: base.showTooltip(
                             intentCategoryLabel,
                             Qt.point(-(intentCategoryLabel.x - qualityRow.x) - UM.Theme.getSize("thick_margin").width, 0),
                             model.description
                         )
                     }
-                    onExited: base.hideTooltip()
+
+                    onEntered: intentTooltipTimer.start()
+                    onExited:
+                    {
+                        base.hideTooltip()
+                        intentTooltipTimer.stop()
+                    }
                 }
 
                 NoIntentIcon // This icon has hover priority over intentDescriptionHoverArea, so draw it above it.
diff --git a/tests/Machines/TestVariantNode.py b/tests/Machines/TestVariantNode.py
index bc860058a1..6e3a469877 100644
--- a/tests/Machines/TestVariantNode.py
+++ b/tests/Machines/TestVariantNode.py
@@ -139,6 +139,7 @@ def test_preferredMaterialExactMatch(empty_variant_node):
         "some_different_material": MagicMock(getMetaDataEntry = lambda x: 3),
         "preferred_material_base_file": MagicMock(getMetaDataEntry = lambda x: 3)  # Exact match.
     }
+    empty_variant_node.machine.preferred_material = "preferred_material_base_file"
 
     assert empty_variant_node.preferredMaterial(approximate_diameter = 3) == empty_variant_node.materials["preferred_material_base_file"], "It should match exactly on this one since it's the preferred material."
 
@@ -149,6 +150,7 @@ def test_preferredMaterialSubmaterial(empty_variant_node):
         "some_different_material": MagicMock(getMetaDataEntry = lambda x: 3),
         "preferred_material_base_file_aa04": MagicMock(getMetaDataEntry = lambda x: 3)  # This is a submaterial of the preferred material.
     }
+    empty_variant_node.machine.preferred_material = "preferred_material_base_file_aa04"
 
     assert empty_variant_node.preferredMaterial(approximate_diameter = 3) == empty_variant_node.materials["preferred_material_base_file_aa04"], "It should match on the submaterial just as well."
 
@@ -160,6 +162,7 @@ def test_preferredMaterialDiameter(empty_variant_node):
         "preferred_material_wrong_diameter": MagicMock(getMetaDataEntry = lambda x: 2),  # Approximate diameter is 2 instead of 3.
         "preferred_material_correct_diameter": MagicMock(getMetaDataEntry = lambda x: 3)  # Correct approximate diameter.
     }
+    empty_variant_node.machine.preferred_material = "preferred_material_correct_diameter"
 
     assert empty_variant_node.preferredMaterial(approximate_diameter = 3) == empty_variant_node.materials["preferred_material_correct_diameter"], "It should match only on the material with correct diameter."