Search/replace Qt5->Qt6.

part of upgrading Qt to v6.2: CURA-8591

79 files changed, 108 insertions, 108 deletions

diff --git a/cura/API/Account.py b/cura/API/Account.py
index 9f1184a0a0..ca4bfe1c32 100644
--- a/cura/API/Account.py
+++ b/cura/API/Account.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from datetime import datetime
-from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot, pyqtProperty, QTimer, Q_ENUMS
+from PyQt6.QtCore import QObject, pyqtSignal, pyqtSlot, pyqtProperty, QTimer, Q_ENUMS
 from typing import Any, Optional, Dict, TYPE_CHECKING, Callable
 
 from UM.Logger import Logger
diff --git a/cura/API/ConnectionStatus.py b/cura/API/ConnectionStatus.py
index 36f804e3cf..bcdddb717a 100644
--- a/cura/API/ConnectionStatus.py
+++ b/cura/API/ConnectionStatus.py
@@ -1,6 +1,6 @@
 from typing import Optional
 
-from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QObject, pyqtSignal, pyqtProperty
 
 from UM.TaskManagement.HttpRequestManager import HttpRequestManager
 
diff --git a/cura/API/__init__.py b/cura/API/__init__.py
index 447be98e4b..3fca8e9c39 100644
--- a/cura/API/__init__.py
+++ b/cura/API/__init__.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from typing import Optional, TYPE_CHECKING
 
-from PyQt5.QtCore import QObject, pyqtProperty
+from PyQt6.QtCore import QObject, pyqtProperty
 
 from cura.API.Backups import Backups
 from cura.API.ConnectionStatus import ConnectionStatus
diff --git a/cura/AutoSave.py b/cura/AutoSave.py
index 3205f48af1..c8ea9b756f 100644
--- a/cura/AutoSave.py
+++ b/cura/AutoSave.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QTimer
+from PyQt6.QtCore import QTimer
 from typing import Any, TYPE_CHECKING
 
 from UM.Logger import Logger
diff --git a/cura/BuildVolume.py b/cura/BuildVolume.py
index fc5691f034..372d6152fc 100755
--- a/cura/BuildVolume.py
+++ b/cura/BuildVolume.py
@@ -31,7 +31,7 @@ from cura.Settings.GlobalStack import GlobalStack
 from cura.Scene.CuraSceneNode import CuraSceneNode
 from cura.Settings.ExtruderManager import ExtruderManager
 
-from PyQt5.QtCore import QTimer
+from PyQt6.QtCore import QTimer
 
 
 if TYPE_CHECKING:
diff --git a/cura/CameraAnimation.py b/cura/CameraAnimation.py
index 37f230a30d..32086c8ba2 100644
--- a/cura/CameraAnimation.py
+++ b/cura/CameraAnimation.py
@@ -2,8 +2,8 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 
-from PyQt5.QtCore import QVariantAnimation, QEasingCurve
-from PyQt5.QtGui import QVector3D
+from PyQt6.QtCore import QVariantAnimation, QEasingCurve
+from PyQt6.QtGui import QVector3D
 
 from UM.Math.Vector import Vector
 
diff --git a/cura/CrashHandler.py b/cura/CrashHandler.py
index db44daa77c..4f3fb34f7f 100644
--- a/cura/CrashHandler.py
+++ b/cura/CrashHandler.py
@@ -20,9 +20,9 @@ try:
 except ImportError:
     with_sentry_sdk = False
 
-from PyQt5.QtCore import QT_VERSION_STR, PYQT_VERSION_STR, QUrl
-from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout, QLabel, QTextEdit, QGroupBox, QCheckBox, QPushButton
-from PyQt5.QtGui import QDesktopServices
+from PyQt6.QtCore import QT_VERSION_STR, PYQT_VERSION_STR, QUrl
+from PyQt6.QtWidgets import QDialog, QDialogButtonBox, QVBoxLayout, QLabel, QTextEdit, QGroupBox, QCheckBox, QPushButton
+from PyQt6.QtGui import QDesktopServices
 
 from UM.Application import Application
 from UM.Logger import Logger
diff --git a/cura/CuraActions.py b/cura/CuraActions.py
index 8b232ad1bf..193803325f 100644
--- a/cura/CuraActions.py
+++ b/cura/CuraActions.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QObject, QUrl
-from PyQt5.QtGui import QDesktopServices
+from PyQt6.QtCore import QObject, QUrl
+from PyQt6.QtGui import QDesktopServices
 from typing import List, cast
 
 from UM.Event import CallFunctionEvent
diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index ebd1708bf5..76db5bfe04 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -8,10 +8,10 @@ import time
 from typing import cast, TYPE_CHECKING, Optional, Callable, List, Any, Dict
 
 import numpy
-from PyQt5.QtCore import QObject, QTimer, QUrl, pyqtSignal, pyqtProperty, QEvent, Q_ENUMS
-from PyQt5.QtGui import QColor, QIcon
-from PyQt5.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType
-from PyQt5.QtWidgets import QMessageBox
+from PyQt6.QtCore import QObject, QTimer, QUrl, pyqtSignal, pyqtProperty, QEvent, Q_ENUMS
+from PyQt6.QtGui import QColor, QIcon
+from PyQt6.QtQml import qmlRegisterUncreatableType, qmlRegisterSingletonType, qmlRegisterType
+from PyQt6.QtWidgets import QMessageBox
 
 import UM.Util
 import cura.Settings.cura_empty_instance_containers
diff --git a/cura/CuraPackageManager.py b/cura/CuraPackageManager.py
index 26d6591099..212993e19b 100644
--- a/cura/CuraPackageManager.py
+++ b/cura/CuraPackageManager.py
@@ -11,7 +11,7 @@ from UM.Resources import Resources #To find storage paths for some resource type
 
 if TYPE_CHECKING:
     from UM.Qt.QtApplication import QtApplication
-    from PyQt5.QtCore import QObject
+    from PyQt6.QtCore import QObject
 
 
 class CuraPackageManager(PackageManager):
diff --git a/cura/CuraView.py b/cura/CuraView.py
index 86d4254a7d..6b20cf18d3 100644
--- a/cura/CuraView.py
+++ b/cura/CuraView.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtProperty, QUrl
+from PyQt6.QtCore import pyqtProperty, QUrl
 
 from UM.Resources import Resources
 from UM.View.View import View
diff --git a/cura/MachineAction.py b/cura/MachineAction.py
index 74b742ef4d..15d9ab1ca1 100644
--- a/cura/MachineAction.py
+++ b/cura/MachineAction.py
@@ -4,7 +4,7 @@
 import os
 from typing import Optional
 
-from PyQt5.QtCore import QObject, QUrl, pyqtSlot, pyqtProperty, pyqtSignal
+from PyQt6.QtCore import QObject, QUrl, pyqtSlot, pyqtProperty, pyqtSignal
 
 from UM.Logger import Logger
 from UM.PluginObject import PluginObject
diff --git a/cura/Machines/MachineErrorChecker.py b/cura/Machines/MachineErrorChecker.py
index 8213734348..bfefe80fa5 100644
--- a/cura/Machines/MachineErrorChecker.py
+++ b/cura/Machines/MachineErrorChecker.py
@@ -5,7 +5,7 @@ import time
 
 from collections import deque
 
-from PyQt5.QtCore import QObject, QTimer, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QObject, QTimer, pyqtSignal, pyqtProperty
 from typing import Optional, Any, Set
 
 from UM.Logger import Logger
diff --git a/cura/Machines/Models/BaseMaterialsModel.py b/cura/Machines/Models/BaseMaterialsModel.py
index 776d540867..a32af77094 100644
--- a/cura/Machines/Models/BaseMaterialsModel.py
+++ b/cura/Machines/Models/BaseMaterialsModel.py
@@ -3,7 +3,7 @@
 
 from typing import Dict, Set
 
-from PyQt5.QtCore import Qt, QTimer, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import Qt, QTimer, pyqtSignal, pyqtProperty
 
 from UM.Qt.ListModel import ListModel
 from UM.Logger import Logger
diff --git a/cura/Machines/Models/BuildPlateModel.py b/cura/Machines/Models/BuildPlateModel.py
index 3697dd2762..ecceb73f0c 100644
--- a/cura/Machines/Models/BuildPlateModel.py
+++ b/cura/Machines/Models/BuildPlateModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt
+from PyQt6.QtCore import Qt
 from UM.Logger import Logger
 from UM.Qt.ListModel import ListModel
 
diff --git a/cura/Machines/Models/CustomQualityProfilesDropDownMenuModel.py b/cura/Machines/Models/CustomQualityProfilesDropDownMenuModel.py
index ce4b87da2b..54f0e44a2a 100644
--- a/cura/Machines/Models/CustomQualityProfilesDropDownMenuModel.py
+++ b/cura/Machines/Models/CustomQualityProfilesDropDownMenuModel.py
@@ -10,7 +10,7 @@ from cura.Machines.ContainerTree import ContainerTree
 from cura.Machines.Models.QualityProfilesDropDownMenuModel import QualityProfilesDropDownMenuModel
 
 if TYPE_CHECKING:
-    from PyQt5.QtCore import QObject
+    from PyQt6.QtCore import QObject
     from UM.Settings.Interfaces import ContainerInterface
 
 
diff --git a/cura/Machines/Models/DiscoveredCloudPrintersModel.py b/cura/Machines/Models/DiscoveredCloudPrintersModel.py
index 692ed49593..b9071c9053 100644
--- a/cura/Machines/Models/DiscoveredCloudPrintersModel.py
+++ b/cura/Machines/Models/DiscoveredCloudPrintersModel.py
@@ -1,6 +1,6 @@
 from typing import Optional, TYPE_CHECKING, List, Dict
 
-from PyQt5.QtCore import QObject, pyqtSlot, Qt, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QObject, pyqtSlot, Qt, pyqtSignal, pyqtProperty
 
 from UM.Qt.ListModel import ListModel
 
diff --git a/cura/Machines/Models/DiscoveredPrintersModel.py b/cura/Machines/Models/DiscoveredPrintersModel.py
index 459ec4d795..4c245a927a 100644
--- a/cura/Machines/Models/DiscoveredPrintersModel.py
+++ b/cura/Machines/Models/DiscoveredPrintersModel.py
@@ -3,7 +3,7 @@
 
 from typing import Callable, Dict, List, Optional, TYPE_CHECKING
 
-from PyQt5.QtCore import pyqtSlot, pyqtProperty, pyqtSignal, QObject, QTimer
+from PyQt6.QtCore import pyqtSlot, pyqtProperty, pyqtSignal, QObject, QTimer
 
 from UM.i18n import i18nCatalog
 from UM.Logger import Logger
diff --git a/cura/Machines/Models/ExtrudersModel.py b/cura/Machines/Models/ExtrudersModel.py
index 5ae3c19874..4f86b139d1 100644
--- a/cura/Machines/Models/ExtrudersModel.py
+++ b/cura/Machines/Models/ExtrudersModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty, QTimer
+from PyQt6.QtCore import Qt, pyqtSignal, pyqtProperty, QTimer
 from typing import Iterable, TYPE_CHECKING
 
 from UM.i18n import i18nCatalog
diff --git a/cura/Machines/Models/FirstStartMachineActionsModel.py b/cura/Machines/Models/FirstStartMachineActionsModel.py
index 7d83f0bff2..2b14a74317 100644
--- a/cura/Machines/Models/FirstStartMachineActionsModel.py
+++ b/cura/Machines/Models/FirstStartMachineActionsModel.py
@@ -3,7 +3,7 @@
 
 from typing import Optional, Dict, Any, TYPE_CHECKING
 
-from PyQt5.QtCore import QObject, Qt, pyqtProperty, pyqtSignal, pyqtSlot
+from PyQt6.QtCore import QObject, Qt, pyqtProperty, pyqtSignal, pyqtSlot
 
 from UM.Qt.ListModel import ListModel
 
diff --git a/cura/Machines/Models/GlobalStacksModel.py b/cura/Machines/Models/GlobalStacksModel.py
index f27a1ec00b..bd1aa50da1 100644
--- a/cura/Machines/Models/GlobalStacksModel.py
+++ b/cura/Machines/Models/GlobalStacksModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, QTimer, pyqtProperty, pyqtSignal
+from PyQt6.QtCore import Qt, QTimer, pyqtProperty, pyqtSignal
 from typing import List, Optional
 
 from UM.Qt.ListModel import ListModel
diff --git a/cura/Machines/Models/IntentCategoryModel.py b/cura/Machines/Models/IntentCategoryModel.py
index aeb1f878ca..c2ae9a0426 100644
--- a/cura/Machines/Models/IntentCategoryModel.py
+++ b/cura/Machines/Models/IntentCategoryModel.py
@@ -2,14 +2,14 @@
 #Cura is released under the terms of the LGPLv3 or higher.
 
 import collections
-from PyQt5.QtCore import Qt, QTimer
+from PyQt6.QtCore import Qt, QTimer
 from typing import TYPE_CHECKING, Optional, Dict
 
 from cura.Machines.Models.IntentModel import IntentModel
 from cura.Settings.IntentManager import IntentManager
 from UM.Qt.ListModel import ListModel
 from UM.Settings.ContainerRegistry import ContainerRegistry #To update the list if anything changes.
-from PyQt5.QtCore import pyqtSignal
+from PyQt6.QtCore import pyqtSignal
 import cura.CuraApplication
 if TYPE_CHECKING:
     from UM.Settings.ContainerRegistry import ContainerInterface
diff --git a/cura/Machines/Models/IntentModel.py b/cura/Machines/Models/IntentModel.py
index 0ec7e268f0..6d58cfe3ce 100644
--- a/cura/Machines/Models/IntentModel.py
+++ b/cura/Machines/Models/IntentModel.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from typing import Optional, Dict, Any, Set, List
 
-from PyQt5.QtCore import Qt, QObject, pyqtProperty, pyqtSignal, QTimer
+from PyQt6.QtCore import Qt, QObject, pyqtProperty, pyqtSignal, QTimer
 
 import cura.CuraApplication
 from UM.Qt.ListModel import ListModel
diff --git a/cura/Machines/Models/MaterialBrandsModel.py b/cura/Machines/Models/MaterialBrandsModel.py
index b0594cb286..8da1dd653c 100644
--- a/cura/Machines/Models/MaterialBrandsModel.py
+++ b/cura/Machines/Models/MaterialBrandsModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, pyqtSignal
+from PyQt6.QtCore import Qt, pyqtSignal
 from UM.Qt.ListModel import ListModel
 from cura.Machines.Models.BaseMaterialsModel import BaseMaterialsModel
 
diff --git a/cura/Machines/Models/MaterialManagementModel.py b/cura/Machines/Models/MaterialManagementModel.py
index 76b2c5b444..ab904573c2 100644
--- a/cura/Machines/Models/MaterialManagementModel.py
+++ b/cura/Machines/Models/MaterialManagementModel.py
@@ -2,8 +2,8 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 import copy  # To duplicate materials.
-from PyQt5.QtCore import pyqtSignal, pyqtSlot, QObject, QUrl
-from PyQt5.QtGui import QDesktopServices
+from PyQt6.QtCore import pyqtSignal, pyqtSlot, QObject, QUrl
+from PyQt6.QtGui import QDesktopServices
 from typing import Any, Dict, Optional, TYPE_CHECKING
 import uuid  # To generate new GUIDs for new materials.
 
diff --git a/cura/Machines/Models/MultiBuildPlateModel.py b/cura/Machines/Models/MultiBuildPlateModel.py
index 8e2f086e3b..300c35754b 100644
--- a/cura/Machines/Models/MultiBuildPlateModel.py
+++ b/cura/Machines/Models/MultiBuildPlateModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QTimer, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QTimer, pyqtSignal, pyqtProperty
 
 from UM.Application import Application
 from UM.Scene.Camera import Camera
diff --git a/cura/Machines/Models/NozzleModel.py b/cura/Machines/Models/NozzleModel.py
index 5f7f8b02f5..4351f2568d 100644
--- a/cura/Machines/Models/NozzleModel.py
+++ b/cura/Machines/Models/NozzleModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt
+from PyQt6.QtCore import Qt
 
 from UM.Logger import Logger
 from UM.Qt.ListModel import ListModel
diff --git a/cura/Machines/Models/QualityManagementModel.py b/cura/Machines/Models/QualityManagementModel.py
index 63c1ead29d..666afad307 100644
--- a/cura/Machines/Models/QualityManagementModel.py
+++ b/cura/Machines/Models/QualityManagementModel.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from typing import Any, cast, Dict, Optional, TYPE_CHECKING
-from PyQt5.QtCore import pyqtSlot, QObject, Qt, QTimer
+from PyQt6.QtCore import pyqtSlot, QObject, Qt, QTimer
 
 from UM.Logger import Logger
 from UM.Qt.ListModel import ListModel
diff --git a/cura/Machines/Models/QualityProfilesDropDownMenuModel.py b/cura/Machines/Models/QualityProfilesDropDownMenuModel.py
index f7316e9c09..6b74ac5175 100644
--- a/cura/Machines/Models/QualityProfilesDropDownMenuModel.py
+++ b/cura/Machines/Models/QualityProfilesDropDownMenuModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, QTimer
+from PyQt6.QtCore import Qt, QTimer
 
 import cura.CuraApplication  # Imported this way to prevent circular dependencies.
 from UM.Logger import Logger
diff --git a/cura/Machines/Models/QualitySettingsModel.py b/cura/Machines/Models/QualitySettingsModel.py
index 89a996fba1..dc1da7b309 100644
--- a/cura/Machines/Models/QualitySettingsModel.py
+++ b/cura/Machines/Models/QualitySettingsModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, Qt
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, Qt
 from typing import Set
 
 import cura.CuraApplication
diff --git a/cura/Machines/Models/SettingVisibilityPresetsModel.py b/cura/Machines/Models/SettingVisibilityPresetsModel.py
index 2ca0960de4..d4c590dc74 100644
--- a/cura/Machines/Models/SettingVisibilityPresetsModel.py
+++ b/cura/Machines/Models/SettingVisibilityPresetsModel.py
@@ -3,7 +3,7 @@
 
 from typing import Optional, List
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
 
 from UM.Logger import Logger
 from UM.Preferences import Preferences
diff --git a/cura/Machines/Models/UserChangesModel.py b/cura/Machines/Models/UserChangesModel.py
index 43bbe8a663..95b1e84cf7 100644
--- a/cura/Machines/Models/UserChangesModel.py
+++ b/cura/Machines/Models/UserChangesModel.py
@@ -4,7 +4,7 @@
 import os
 from collections import OrderedDict
 
-from PyQt5.QtCore import pyqtSlot, Qt
+from PyQt6.QtCore import pyqtSlot, Qt
 
 from UM.Application import Application
 from UM.Logger import Logger
diff --git a/cura/Machines/QualityChangesGroup.py b/cura/Machines/QualityChangesGroup.py
index 668fff785a..f30d04b8a8 100644
--- a/cura/Machines/QualityChangesGroup.py
+++ b/cura/Machines/QualityChangesGroup.py
@@ -3,7 +3,7 @@
 
 from typing import Any, Dict, Optional
 
-from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal
+from PyQt6.QtCore import QObject, pyqtProperty, pyqtSignal
 
 
 class QualityChangesGroup(QObject):
diff --git a/cura/OAuth2/AuthorizationHelpers.py b/cura/OAuth2/AuthorizationHelpers.py
index 77e3c66c11..a654ee4bdb 100644
--- a/cura/OAuth2/AuthorizationHelpers.py
+++ b/cura/OAuth2/AuthorizationHelpers.py
@@ -4,7 +4,7 @@
 from base64 import b64encode
 from datetime import datetime
 from hashlib import sha512
-from PyQt5.QtNetwork import QNetworkReply
+from PyQt6.QtNetwork import QNetworkReply
 import secrets
 from typing import Callable, Optional
 import urllib.parse
diff --git a/cura/OAuth2/AuthorizationService.py b/cura/OAuth2/AuthorizationService.py
index 0343af68a8..f2e6cd27ec 100644
--- a/cura/OAuth2/AuthorizationService.py
+++ b/cura/OAuth2/AuthorizationService.py
@@ -6,8 +6,8 @@ from datetime import datetime, timedelta
 from typing import Callable, Dict, Optional, TYPE_CHECKING, Union
 from urllib.parse import urlencode, quote_plus
 
-from PyQt5.QtCore import QUrl
-from PyQt5.QtGui import QDesktopServices
+from PyQt6.QtCore import QUrl
+from PyQt6.QtGui import QDesktopServices
 
 from UM.Logger import Logger
 from UM.Message import Message
diff --git a/cura/PlatformPhysics.py b/cura/PlatformPhysics.py
index 5fd2e70a1c..1cd5c1844c 100755
--- a/cura/PlatformPhysics.py
+++ b/cura/PlatformPhysics.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QTimer
+from PyQt6.QtCore import QTimer
 from shapely.errors import TopologicalError  # To capture errors if Shapely messes up.
 
 from UM.Application import Application
diff --git a/cura/PrintJobPreviewImageProvider.py b/cura/PrintJobPreviewImageProvider.py
index 321164adeb..528f42fb4d 100644
--- a/cura/PrintJobPreviewImageProvider.py
+++ b/cura/PrintJobPreviewImageProvider.py
@@ -1,6 +1,6 @@
-from PyQt5.QtGui import QImage
-from PyQt5.QtQuick import QQuickImageProvider
-from PyQt5.QtCore import QSize
+from PyQt6.QtGui import QImage
+from PyQt6.QtQuick import QQuickImageProvider
+from PyQt6.QtCore import QSize
 
 from UM.Application import Application
 from typing import Tuple
diff --git a/cura/PrinterOutput/FirmwareUpdater.py b/cura/PrinterOutput/FirmwareUpdater.py
index cfcfb2204f..0c1c427ff2 100644
--- a/cura/PrinterOutput/FirmwareUpdater.py
+++ b/cura/PrinterOutput/FirmwareUpdater.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QObject, QUrl, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QObject, QUrl, pyqtSignal, pyqtProperty
 
 from enum import IntEnum
 from threading import Thread
diff --git a/cura/PrinterOutput/GenericOutputController.py b/cura/PrinterOutput/GenericOutputController.py
index c160459776..9531a1ab89 100644
--- a/cura/PrinterOutput/GenericOutputController.py
+++ b/cura/PrinterOutput/GenericOutputController.py
@@ -3,7 +3,7 @@
 
 from typing import TYPE_CHECKING, Set, Union, Optional
 
-from PyQt5.QtCore import QTimer
+from PyQt6.QtCore import QTimer
 
 from .PrinterOutputController import PrinterOutputController
 
diff --git a/cura/PrinterOutput/Models/ExtruderConfigurationModel.py b/cura/PrinterOutput/Models/ExtruderConfigurationModel.py
index 4fbf951f45..4cc3e81f56 100644
--- a/cura/PrinterOutput/Models/ExtruderConfigurationModel.py
+++ b/cura/PrinterOutput/Models/ExtruderConfigurationModel.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from typing import Optional
 
-from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
+from PyQt6.QtCore import pyqtProperty, QObject, pyqtSignal
 
 from .MaterialOutputModel import MaterialOutputModel
 
diff --git a/cura/PrinterOutput/Models/ExtruderOutputModel.py b/cura/PrinterOutput/Models/ExtruderOutputModel.py
index bcd0f579c2..ae1b175f3f 100644
--- a/cura/PrinterOutput/Models/ExtruderOutputModel.py
+++ b/cura/PrinterOutput/Models/ExtruderOutputModel.py
@@ -3,7 +3,7 @@
 
 from typing import Optional, TYPE_CHECKING
 
-from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, pyqtSlot
+from PyQt6.QtCore import pyqtSignal, pyqtProperty, QObject, pyqtSlot
 
 from .ExtruderConfigurationModel import ExtruderConfigurationModel
 
diff --git a/cura/PrinterOutput/Models/MaterialOutputModel.py b/cura/PrinterOutput/Models/MaterialOutputModel.py
index 3714824a89..89509ace72 100644
--- a/cura/PrinterOutput/Models/MaterialOutputModel.py
+++ b/cura/PrinterOutput/Models/MaterialOutputModel.py
@@ -3,7 +3,7 @@
 
 from typing import Optional
 
-from PyQt5.QtCore import pyqtProperty, QObject
+from PyQt6.QtCore import pyqtProperty, QObject
 
 
 class MaterialOutputModel(QObject):
diff --git a/cura/PrinterOutput/Models/PrintJobOutputModel.py b/cura/PrinterOutput/Models/PrintJobOutputModel.py
index f7404f71ed..deb7947614 100644
--- a/cura/PrinterOutput/Models/PrintJobOutputModel.py
+++ b/cura/PrinterOutput/Models/PrintJobOutputModel.py
@@ -3,8 +3,8 @@
 
 from typing import Optional, TYPE_CHECKING, List
 
-from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, pyqtSlot, QUrl
-from PyQt5.QtGui import QImage
+from PyQt6.QtCore import pyqtSignal, pyqtProperty, QObject, pyqtSlot, QUrl
+from PyQt6.QtGui import QImage
 
 if TYPE_CHECKING:
     from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
diff --git a/cura/PrinterOutput/Models/PrinterConfigurationModel.py b/cura/PrinterOutput/Models/PrinterConfigurationModel.py
index 54f52134b2..85c69abcd3 100644
--- a/cura/PrinterOutput/Models/PrinterConfigurationModel.py
+++ b/cura/PrinterOutput/Models/PrinterConfigurationModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
+from PyQt6.QtCore import pyqtProperty, QObject, pyqtSignal
 from typing import List
 
 MYPY = False
diff --git a/cura/PrinterOutput/Models/PrinterOutputModel.py b/cura/PrinterOutput/Models/PrinterOutputModel.py
index 37464b0b7d..2f7091e014 100644
--- a/cura/PrinterOutput/Models/PrinterOutputModel.py
+++ b/cura/PrinterOutput/Models/PrinterOutputModel.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant, pyqtSlot, QUrl
+from PyQt6.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant, pyqtSlot, QUrl
 from typing import List, Dict, Optional, TYPE_CHECKING
 from UM.Math.Vector import Vector
 from cura.PrinterOutput.Peripheral import Peripheral
diff --git a/cura/PrinterOutput/NetworkMJPGImage.py b/cura/PrinterOutput/NetworkMJPGImage.py
index 0bfcfab764..a482b40ad8 100644
--- a/cura/PrinterOutput/NetworkMJPGImage.py
+++ b/cura/PrinterOutput/NetworkMJPGImage.py
@@ -1,10 +1,10 @@
 # Copyright (c) 2018 Aldo Hoeben / fieldOfView
 # NetworkMJPGImage is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QUrl, pyqtProperty, pyqtSignal, pyqtSlot, QRect, QByteArray
-from PyQt5.QtGui import QImage, QPainter
-from PyQt5.QtQuick import QQuickPaintedItem
-from PyQt5.QtNetwork import QNetworkRequest, QNetworkReply, QNetworkAccessManager
+from PyQt6.QtCore import QUrl, pyqtProperty, pyqtSignal, pyqtSlot, QRect, QByteArray
+from PyQt6.QtGui import QImage, QPainter
+from PyQt6.QtQuick import QQuickPaintedItem
+from PyQt6.QtNetwork import QNetworkRequest, QNetworkReply, QNetworkAccessManager
 
 from UM.Logger import Logger
 
diff --git a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
index 42c1cd78aa..3325a18d78 100644
--- a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
+++ b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
@@ -9,8 +9,8 @@ from cura.CuraApplication import CuraApplication
 
 from cura.PrinterOutput.PrinterOutputDevice import PrinterOutputDevice, ConnectionState, ConnectionType
 
-from PyQt5.QtNetwork import QHttpMultiPart, QHttpPart, QNetworkRequest, QNetworkAccessManager, QNetworkReply, QAuthenticator
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl, QCoreApplication
+from PyQt6.QtNetwork import QHttpMultiPart, QHttpPart, QNetworkRequest, QNetworkAccessManager, QNetworkReply, QAuthenticator
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl, QCoreApplication
 from time import time
 from typing import Callable, Dict, List, Optional, Union
 from enum import IntEnum
diff --git a/cura/PrinterOutput/PrinterOutputDevice.py b/cura/PrinterOutput/PrinterOutputDevice.py
index 2939076a9a..675921f0b1 100644
--- a/cura/PrinterOutput/PrinterOutputDevice.py
+++ b/cura/PrinterOutput/PrinterOutputDevice.py
@@ -4,8 +4,8 @@
 from enum import IntEnum
 from typing import Callable, List, Optional, Union
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, QObject, QTimer, QUrl
-from PyQt5.QtWidgets import QMessageBox
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, QObject, QTimer, QUrl
+from PyQt6.QtWidgets import QMessageBox
 
 import cura.CuraApplication  # Imported like this to prevent circular imports.
 from UM.Logger import Logger
diff --git a/cura/PrinterOutput/UploadMaterialsJob.py b/cura/PrinterOutput/UploadMaterialsJob.py
index 7a08a198c1..b6fbafeb24 100644
--- a/cura/PrinterOutput/UploadMaterialsJob.py
+++ b/cura/PrinterOutput/UploadMaterialsJob.py
@@ -5,7 +5,7 @@ import enum
 import functools  # For partial methods to use as callbacks with information pre-filled.
 import json  # To serialise metadata for API calls.
 import os  # To delete the archive when we're done.
-from PyQt5.QtCore import QUrl
+from PyQt6.QtCore import QUrl
 import tempfile  # To create an archive before we upload it.
 
 import cura.CuraApplication  # Imported like this to prevent circular imports.
@@ -21,7 +21,7 @@ from UM.TaskManagement.HttpRequestScope import JsonDecoratorScope
 
 from typing import Any, cast, Dict, List, Optional, TYPE_CHECKING
 if TYPE_CHECKING:
-    from PyQt5.QtNetwork import QNetworkReply
+    from PyQt6.QtNetwork import QNetworkReply
     from cura.UltimakerCloud.CloudMaterialSync import CloudMaterialSync
 
 catalog = i18nCatalog("cura")
diff --git a/cura/Scene/ConvexHullDecorator.py b/cura/Scene/ConvexHullDecorator.py
index 36697b7c57..bc4ba3ffd5 100644
--- a/cura/Scene/ConvexHullDecorator.py
+++ b/cura/Scene/ConvexHullDecorator.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QTimer
+from PyQt6.QtCore import QTimer
 
 from UM.Application import Application
 from UM.Math.Polygon import Polygon
diff --git a/cura/Scene/CuraSceneController.py b/cura/Scene/CuraSceneController.py
index 99a6eee0e2..c3aa3d0a7e 100644
--- a/cura/Scene/CuraSceneController.py
+++ b/cura/Scene/CuraSceneController.py
@@ -1,7 +1,7 @@
 from UM.Logger import Logger
 
-from PyQt5.QtCore import Qt, pyqtSlot, QObject, QTimer
-from PyQt5.QtWidgets import QApplication
+from PyQt6.QtCore import Qt, pyqtSlot, QObject, QTimer
+from PyQt6.QtWidgets import QApplication
 
 from UM.Scene.Camera import Camera
 from cura.UI.ObjectsModel import ObjectsModel
diff --git a/cura/Settings/ContainerManager.py b/cura/Settings/ContainerManager.py
index 518eaaa8fa..fbb857ef78 100644
--- a/cura/Settings/ContainerManager.py
+++ b/cura/Settings/ContainerManager.py
@@ -6,8 +6,8 @@ import urllib.parse
 import uuid
 from typing import Any, cast, Dict, List, TYPE_CHECKING, Union
 
-from PyQt5.QtCore import QObject, QUrl
-from PyQt5.QtWidgets import QMessageBox
+from PyQt6.QtCore import QObject, QUrl
+from PyQt6.QtWidgets import QMessageBox
 
 from UM.i18n import i18nCatalog
 from UM.FlameProfiler import pyqtSlot
diff --git a/cura/Settings/CuraContainerRegistry.py b/cura/Settings/CuraContainerRegistry.py
index 6130019f4d..6a0b8c0cd0 100644
--- a/cura/Settings/CuraContainerRegistry.py
+++ b/cura/Settings/CuraContainerRegistry.py
@@ -6,7 +6,7 @@ import re
 import configparser
 
 from typing import Any, cast, Dict, Optional, List, Union, Tuple
-from PyQt5.QtWidgets import QMessageBox
+from PyQt6.QtWidgets import QMessageBox
 
 from UM.Decorators import override
 from UM.Settings.ContainerFormatError import ContainerFormatError
diff --git a/cura/Settings/CuraContainerStack.py b/cura/Settings/CuraContainerStack.py
index f594ad3d0c..061d5c6161 100755
--- a/cura/Settings/CuraContainerStack.py
+++ b/cura/Settings/CuraContainerStack.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from typing import Any, cast, List, Optional, Dict
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, QObject
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, QObject
 
 from UM.Application import Application
 from UM.Decorators import override
diff --git a/cura/Settings/ExtruderManager.py b/cura/Settings/ExtruderManager.py
index 81d3f733b4..dfe0ccbcfd 100755
--- a/cura/Settings/ExtruderManager.py
+++ b/cura/Settings/ExtruderManager.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant  # For communicating data and events to Qt.
+from PyQt6.QtCore import pyqtSignal, pyqtProperty, QObject, QVariant  # For communicating data and events to Qt.
 from UM.FlameProfiler import pyqtSlot
 
 import cura.CuraApplication # To get the global container stack to find the current machine.
diff --git a/cura/Settings/ExtruderStack.py b/cura/Settings/ExtruderStack.py
index 2a9838c671..e93193818c 100644
--- a/cura/Settings/ExtruderStack.py
+++ b/cura/Settings/ExtruderStack.py
@@ -3,7 +3,7 @@
 
 from typing import Any, Dict, TYPE_CHECKING, Optional
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal
+from PyQt6.QtCore import pyqtProperty, pyqtSignal
 
 from UM.Decorators import override
 from UM.MimeTypeDatabase import MimeType, MimeTypeDatabase
diff --git a/cura/Settings/GlobalStack.py b/cura/Settings/GlobalStack.py
index 282034c0ee..84f77d0451 100755
--- a/cura/Settings/GlobalStack.py
+++ b/cura/Settings/GlobalStack.py
@@ -6,7 +6,7 @@ import threading
 from typing import Any, Dict, Optional, Set, TYPE_CHECKING, List
 import uuid
 
-from PyQt5.QtCore import pyqtProperty, pyqtSlot, pyqtSignal
+from PyQt6.QtCore import pyqtProperty, pyqtSlot, pyqtSignal
 
 from UM.Decorators import deprecated, override
 from UM.MimeTypeDatabase import MimeType, MimeTypeDatabase
diff --git a/cura/Settings/IntentManager.py b/cura/Settings/IntentManager.py
index a556a86dd8..2dfec02201 100644
--- a/cura/Settings/IntentManager.py
+++ b/cura/Settings/IntentManager.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
+from PyQt6.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
 from typing import Any, Dict, List, Set, Tuple, TYPE_CHECKING
 
 from UM.Logger import Logger
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 648b1e9cae..1c7a8f0e98 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -6,7 +6,7 @@ import re
 import unicodedata
 from typing import Any, List, Dict, TYPE_CHECKING, Optional, cast, Set
 
-from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, QTimer
+from PyQt6.QtCore import QObject, pyqtProperty, pyqtSignal, QTimer
 
 from UM.ConfigurationErrorMessage import ConfigurationErrorMessage
 from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator
diff --git a/cura/Settings/MachineNameValidator.py b/cura/Settings/MachineNameValidator.py
index 99a5c7da0a..7fc1789f13 100644
--- a/cura/Settings/MachineNameValidator.py
+++ b/cura/Settings/MachineNameValidator.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtSlot, pyqtProperty, QObject, pyqtSignal, QRegExp
-from PyQt5.QtGui import QValidator
+from PyQt6.QtCore import pyqtSlot, pyqtProperty, QObject, pyqtSignal, QRegExp
+from PyQt6.QtGui import QValidator
 import os #For statvfs.
 import urllib #To escape machine names for how they're saved to file.
 
diff --git a/cura/Settings/SettingInheritanceManager.py b/cura/Settings/SettingInheritanceManager.py
index 34dfaeb616..5ae00ae271 100644
--- a/cura/Settings/SettingInheritanceManager.py
+++ b/cura/Settings/SettingInheritanceManager.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from typing import List, Optional, TYPE_CHECKING
 
-from PyQt5.QtCore import QObject, QTimer, pyqtProperty, pyqtSignal
+from PyQt6.QtCore import QObject, QTimer, pyqtProperty, pyqtSignal
 from UM.FlameProfiler import pyqtSlot
 from UM.Application import Application
 from UM.Logger import Logger
diff --git a/cura/Settings/SettingVisibilityPreset.py b/cura/Settings/SettingVisibilityPreset.py
index e8a4211d69..f41f38faa3 100644
--- a/cura/Settings/SettingVisibilityPreset.py
+++ b/cura/Settings/SettingVisibilityPreset.py
@@ -3,7 +3,7 @@ import urllib.parse
 from configparser import ConfigParser
 from typing import List
 
-from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
+from PyQt6.QtCore import pyqtProperty, QObject, pyqtSignal
 
 from UM.Logger import Logger
 from UM.MimeTypeDatabase import MimeTypeDatabase
diff --git a/cura/Settings/SidebarCustomMenuItemsModel.py b/cura/Settings/SidebarCustomMenuItemsModel.py
index 7177d26923..f136801fe5 100644
--- a/cura/Settings/SidebarCustomMenuItemsModel.py
+++ b/cura/Settings/SidebarCustomMenuItemsModel.py
@@ -4,7 +4,7 @@
 from typing import Any
 
 from UM.Qt.ListModel import ListModel
-from PyQt5.QtCore import pyqtSlot, Qt
+from PyQt6.QtCore import pyqtSlot, Qt
 
 
 class SidebarCustomMenuItemsModel(ListModel):
diff --git a/cura/Settings/SimpleModeSettingsManager.py b/cura/Settings/SimpleModeSettingsManager.py
index 6650a9b333..af8707f235 100644
--- a/cura/Settings/SimpleModeSettingsManager.py
+++ b/cura/Settings/SimpleModeSettingsManager.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2017 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty
+from PyQt6.QtCore import QObject, pyqtSignal, pyqtProperty
 
 from UM.Application import Application
 
diff --git a/cura/SingleInstance.py b/cura/SingleInstance.py
index 597a4d5f32..af98869ad7 100644
--- a/cura/SingleInstance.py
+++ b/cura/SingleInstance.py
@@ -5,7 +5,7 @@ import json
 import os
 from typing import List, Optional
 
-from PyQt5.QtNetwork import QLocalServer, QLocalSocket
+from PyQt6.QtNetwork import QLocalServer, QLocalSocket
 
 from UM.Qt.QtApplication import QtApplication #For typing.
 from UM.Logger import Logger
diff --git a/cura/Snapshot.py b/cura/Snapshot.py
index a7b813610f..97306fb371 100644
--- a/cura/Snapshot.py
+++ b/cura/Snapshot.py
@@ -2,9 +2,9 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 import numpy
 
-from PyQt5 import QtCore
-from PyQt5.QtCore import QCoreApplication
-from PyQt5.QtGui import QImage
+from PyQt6 import QtCore
+from PyQt6.QtCore import QCoreApplication
+from PyQt6.QtGui import QImage
 
 from cura.PreviewPass import PreviewPass
 
diff --git a/cura/Stages/CuraStage.py b/cura/Stages/CuraStage.py
index 6c4d46dd72..869ed309dc 100644
--- a/cura/Stages/CuraStage.py
+++ b/cura/Stages/CuraStage.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtProperty, QUrl
+from PyQt6.QtCore import pyqtProperty, QUrl
 
 from UM.Stage import Stage
 
diff --git a/cura/UI/CuraSplashScreen.py b/cura/UI/CuraSplashScreen.py
index 4fa798247d..b505cec698 100644
--- a/cura/UI/CuraSplashScreen.py
+++ b/cura/UI/CuraSplashScreen.py
@@ -1,9 +1,9 @@
 # Copyright (c) 2020 Ultimaker B.V.
 # Uranium is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import Qt, QCoreApplication, QTimer
-from PyQt5.QtGui import QPixmap, QColor, QFont, QPen, QPainter
-from PyQt5.QtWidgets import QSplashScreen
+from PyQt6.QtCore import Qt, QCoreApplication, QTimer
+from PyQt6.QtGui import QPixmap, QColor, QFont, QPen, QPainter
+from PyQt6.QtWidgets import QSplashScreen
 
 from UM.Resources import Resources
 from UM.Application import Application
diff --git a/cura/UI/MachineActionManager.py b/cura/UI/MachineActionManager.py
index 5e31de32c2..7a4ce92de0 100644
--- a/cura/UI/MachineActionManager.py
+++ b/cura/UI/MachineActionManager.py
@@ -3,7 +3,7 @@
 
 from typing import TYPE_CHECKING, Optional, List, Set, Dict
 
-from PyQt5.QtCore import QObject
+from PyQt6.QtCore import QObject
 
 from UM.FlameProfiler import pyqtSlot
 from UM.Logger import Logger
diff --git a/cura/UI/MachineSettingsManager.py b/cura/UI/MachineSettingsManager.py
index 1d2604c3c9..077dc29f6c 100644
--- a/cura/UI/MachineSettingsManager.py
+++ b/cura/UI/MachineSettingsManager.py
@@ -2,7 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from typing import Optional, TYPE_CHECKING
-from PyQt5.QtCore import QObject, pyqtSlot
+from PyQt6.QtCore import QObject, pyqtSlot
 
 from UM.i18n import i18nCatalog
 
diff --git a/cura/UI/ObjectsModel.py b/cura/UI/ObjectsModel.py
index 64a6e89054..cce2a56402 100644
--- a/cura/UI/ObjectsModel.py
+++ b/cura/UI/ObjectsModel.py
@@ -4,7 +4,7 @@ from UM.Logger import Logger
 import re
 from typing import Dict, List, Optional, Union
 
-from PyQt5.QtCore import QTimer, Qt
+from PyQt6.QtCore import QTimer, Qt
 
 from UM.Application import Application
 from UM.Qt.ListModel import ListModel
diff --git a/cura/UI/PrintInformation.py b/cura/UI/PrintInformation.py
index 2135c6fe81..a4c1410c0e 100644
--- a/cura/UI/PrintInformation.py
+++ b/cura/UI/PrintInformation.py
@@ -6,7 +6,7 @@ import math
 import os
 from typing import Dict, List, Optional, TYPE_CHECKING
 
-from PyQt5.QtCore import QObject, pyqtSignal, pyqtProperty, pyqtSlot, QTimer
+from PyQt6.QtCore import QObject, pyqtSignal, pyqtProperty, pyqtSlot, QTimer
 
 from UM.Logger import Logger
 from UM.Qt.Duration import Duration
diff --git a/cura/UI/RecommendedMode.py b/cura/UI/RecommendedMode.py
index 47b617740a..20680c0ca9 100644
--- a/cura/UI/RecommendedMode.py
+++ b/cura/UI/RecommendedMode.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import QObject, pyqtSlot
+from PyQt6.QtCore import QObject, pyqtSlot
 
 from cura import CuraApplication
 
diff --git a/cura/UI/TextManager.py b/cura/UI/TextManager.py
index 77dadae809..9fb68cc2fd 100644
--- a/cura/UI/TextManager.py
+++ b/cura/UI/TextManager.py
@@ -4,7 +4,7 @@
 import collections

 from typing import Optional, Dict, List, cast

 

-from PyQt5.QtCore import QObject, pyqtSlot

+from PyQt6.QtCore import QObject, pyqtSlot

 

 from UM.i18n import i18nCatalog

 from UM.Resources import Resources

diff --git a/cura/UI/WelcomePagesModel.py b/cura/UI/WelcomePagesModel.py
index 890e34a31e..ccbefa2709 100644
--- a/cura/UI/WelcomePagesModel.py
+++ b/cura/UI/WelcomePagesModel.py
@@ -6,7 +6,7 @@ import os
 from collections import deque
 from typing import TYPE_CHECKING, Optional, List, Dict, Any
 
-from PyQt5.QtCore import QUrl, Qt, pyqtSlot, pyqtProperty, pyqtSignal
+from PyQt6.QtCore import QUrl, Qt, pyqtSlot, pyqtProperty, pyqtSignal
 
 from UM.i18n import i18nCatalog
 from UM.Logger import Logger
@@ -14,7 +14,7 @@ from UM.Qt.ListModel import ListModel
 from UM.Resources import Resources
 
 if TYPE_CHECKING:
-    from PyQt5.QtCore import QObject
+    from PyQt6.QtCore import QObject
     from cura.CuraApplication import CuraApplication
 
 
diff --git a/cura/UI/WhatsNewPagesModel.py b/cura/UI/WhatsNewPagesModel.py
index b99bdf30f0..4fb7802924 100644
--- a/cura/UI/WhatsNewPagesModel.py
+++ b/cura/UI/WhatsNewPagesModel.py
@@ -4,7 +4,7 @@
 import os
 from typing import Optional, Dict, List, Tuple, TYPE_CHECKING
 
-from PyQt5.QtCore import pyqtProperty, pyqtSlot
+from PyQt6.QtCore import pyqtProperty, pyqtSlot
 
 from UM.Logger import Logger
 from UM.Resources import Resources
@@ -12,7 +12,7 @@ from UM.Resources import Resources
 from cura.UI.WelcomePagesModel import WelcomePagesModel
 
 if TYPE_CHECKING:
-    from PyQt5.QtCore import QObject
+    from PyQt6.QtCore import QObject
     from cura.CuraApplication import CuraApplication
 
 
diff --git a/cura/UltimakerCloud/CloudMaterialSync.py b/cura/UltimakerCloud/CloudMaterialSync.py
index 8bf8962eaf..9b3af4a1b3 100644
--- a/cura/UltimakerCloud/CloudMaterialSync.py
+++ b/cura/UltimakerCloud/CloudMaterialSync.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl
-from PyQt5.QtGui import QDesktopServices
+from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl
+from PyQt6.QtGui import QDesktopServices
 from typing import Dict, Optional, TYPE_CHECKING
 import zipfile  # To export all materials in a .zip archive.
 
diff --git a/cura/UltimakerCloud/UltimakerCloudScope.py b/cura/UltimakerCloud/UltimakerCloudScope.py
index bbcc8e2aa9..a173c5c758 100644
--- a/cura/UltimakerCloud/UltimakerCloudScope.py
+++ b/cura/UltimakerCloud/UltimakerCloudScope.py
@@ -1,7 +1,7 @@
 # Copyright (c) 2021 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from PyQt5.QtNetwork import QNetworkRequest
+from PyQt6.QtNetwork import QNetworkRequest
 
 from UM.Logger import Logger
 from UM.TaskManagement.HttpRequestScope import DefaultUserAgentScope
diff --git a/cura/Utils/NetworkingUtil.py b/cura/Utils/NetworkingUtil.py
index b13f7903b9..5e480b28a9 100644
--- a/cura/Utils/NetworkingUtil.py
+++ b/cura/Utils/NetworkingUtil.py
@@ -4,7 +4,7 @@
 import socket
 from typing import Optional
 
-from PyQt5.QtCore import QObject, pyqtSlot
+from PyQt6.QtCore import QObject, pyqtSlot
 
 
 #