diff --git a/resources/qml/Account/AccountDetails.qml b/resources/qml/Account/AccountDetails.qml
index bfda2caa41..031e376a21 100644
--- a/resources/qml/Account/AccountDetails.qml
+++ b/resources/qml/Account/AccountDetails.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
@@ -31,4 +31,4 @@ Item
         id: generalOperations
         GeneralOperations { }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Account/AccountWidget.qml b/resources/qml/Account/AccountWidget.qml
index a758a03511..48c05f8a11 100644
--- a/resources/qml/Account/AccountWidget.qml
+++ b/resources/qml/Account/AccountWidget.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Account/AvatarImage.qml b/resources/qml/Account/AvatarImage.qml
index bc14ed3306..120173366f 100644
--- a/resources/qml/Account/AvatarImage.qml
+++ b/resources/qml/Account/AvatarImage.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtGraphicalEffects 1.12
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtGraphicalEffects 1.0
 
 import UM 1.4 as UM
 
diff --git a/resources/qml/Account/GeneralOperations.qml b/resources/qml/Account/GeneralOperations.qml
index d656aef14c..9562f940a4 100644
--- a/resources/qml/Account/GeneralOperations.qml
+++ b/resources/qml/Account/GeneralOperations.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
@@ -79,4 +79,4 @@ Column
         onClicked: Qt.openUrlExternally(CuraApplication.ultimakerCloudAccountRootUrl + "/app/create")
         fixedWidthMode: true
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Account/SyncState.qml b/resources/qml/Account/SyncState.qml
index 70633bbeaf..f7630b500a 100644
--- a/resources/qml/Account/SyncState.qml
+++ b/resources/qml/Account/SyncState.qml
@@ -1,5 +1,5 @@
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Account/UserOperations.qml b/resources/qml/Account/UserOperations.qml
index c001f6da44..19e92e0249 100644
--- a/resources/qml/Account/UserOperations.qml
+++ b/resources/qml/Account/UserOperations.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/ActionButton.qml b/resources/qml/ActionButton.qml
index 2c4dd188a3..0c1be007b5 100644
--- a/resources/qml/ActionButton.qml
+++ b/resources/qml/ActionButton.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtGraphicalEffects 1.12 // For the dropshadow
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtGraphicalEffects 1.0 // For the dropshadow
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
@@ -189,4 +189,4 @@ Button
             duration: 2500
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ActionPanel/ActionPanelWidget.qml b/resources/qml/ActionPanel/ActionPanelWidget.qml
index cffcdf8edf..b3cf6d23a9 100644
--- a/resources/qml/ActionPanel/ActionPanelWidget.qml
+++ b/resources/qml/ActionPanel/ActionPanelWidget.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ActionPanel/OutputDevicesActionButton.qml b/resources/qml/ActionPanel/OutputDevicesActionButton.qml
index a121a664a8..866b8cc627 100644
--- a/resources/qml/ActionPanel/OutputDevicesActionButton.qml
+++ b/resources/qml/ActionPanel/OutputDevicesActionButton.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
@@ -113,4 +113,4 @@ Item
     }
 
     UM.OutputDevicesModel { id: devicesModel }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ActionPanel/OutputProcessWidget.qml b/resources/qml/ActionPanel/OutputProcessWidget.qml
index 02989309be..be6d68de4f 100644
--- a/resources/qml/ActionPanel/OutputProcessWidget.qml
+++ b/resources/qml/ActionPanel/OutputProcessWidget.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
@@ -142,4 +142,4 @@ Column
             height: UM.Theme.getSize("action_button").height
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ActionPanel/PrintInformationWidget.qml b/resources/qml/ActionPanel/PrintInformationWidget.qml
index 4f6dba9bf3..097f281946 100644
--- a/resources/qml/ActionPanel/PrintInformationWidget.qml
+++ b/resources/qml/ActionPanel/PrintInformationWidget.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
@@ -58,4 +58,4 @@ UM.RecolorImage
             arrowSize: UM.Theme.getSize("default_arrow").width
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ActionPanel/PrintJobInformation.qml b/resources/qml/ActionPanel/PrintJobInformation.qml
index ed3fbc3a13..9cdbf0714f 100644
--- a/resources/qml/ActionPanel/PrintJobInformation.qml
+++ b/resources/qml/ActionPanel/PrintJobInformation.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
@@ -204,4 +204,4 @@ Column
             textFormat: Text.RichText
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ActionPanel/SliceProcessWidget.qml b/resources/qml/ActionPanel/SliceProcessWidget.qml
index 32979608c1..dbbfe784ef 100644
--- a/resources/qml/ActionPanel/SliceProcessWidget.qml
+++ b/resources/qml/ActionPanel/SliceProcessWidget.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
+import QtQuick.Layouts 1.3
 import QtQuick.Controls 1.4 as Controls1
 
 import UM 1.3 as UM
diff --git a/resources/qml/Actions.qml b/resources/qml/Actions.qml
index d7e5521159..46a876003e 100644
--- a/resources/qml/Actions.qml
+++ b/resources/qml/Actions.qml
@@ -3,9 +3,9 @@
 
 pragma Singleton
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls 2.15 as Controls2
+import QtQuick 2.10
+import QtQuick.Controls 1.1
+import QtQuick.Controls 2.3 as Controls2
 import UM 1.1 as UM
 import Cura 1.0 as Cura
 
diff --git a/resources/qml/BorderGroup.qml b/resources/qml/BorderGroup.qml
index fe9b5a53ca..38ad9fadff 100644
--- a/resources/qml/BorderGroup.qml
+++ b/resources/qml/BorderGroup.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.0
 
 QtObject
 {
diff --git a/resources/qml/CheckBoxWithTooltip.qml b/resources/qml/CheckBoxWithTooltip.qml
index c4fd071105..403efb4d7b 100644
--- a/resources/qml/CheckBoxWithTooltip.qml
+++ b/resources/qml/CheckBoxWithTooltip.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
 
 import UM 1.3 as UM
 
diff --git a/resources/qml/Cura.qml b/resources/qml/Cura.qml
index 5be058f1a7..067024a7b5 100644
--- a/resources/qml/Cura.qml
+++ b/resources/qml/Cura.qml
@@ -1,12 +1,12 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
-import QtGraphicalEffects 1.12
+import QtQuick.Layouts 1.1
+import QtQuick.Dialogs 1.2
+import QtGraphicalEffects 1.0
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Dialogs/AboutDialog.qml b/resources/qml/Dialogs/AboutDialog.qml
index 8f518bd8b0..f8018d3d34 100644
--- a/resources/qml/Dialogs/AboutDialog.qml
+++ b/resources/qml/Dialogs/AboutDialog.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Window 2.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Window 2.1
 
 import UM 1.1 as UM
 
diff --git a/resources/qml/Dialogs/AskOpenAsProjectOrModelsDialog.qml b/resources/qml/Dialogs/AskOpenAsProjectOrModelsDialog.qml
index bc79aa82b1..ba0d3fb6ca 100644
--- a/resources/qml/Dialogs/AskOpenAsProjectOrModelsDialog.qml
+++ b/resources/qml/Dialogs/AskOpenAsProjectOrModelsDialog.qml
@@ -1,12 +1,12 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
-import QtQuick.Window 2.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Window 2.1
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml b/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
index 2aa76e2cbb..2ddacb6d79 100644
--- a/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
+++ b/resources/qml/Dialogs/DiscardOrKeepProfileChangesDialog.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Dialogs 1.3
-import QtQuick.Window 2.15
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.2
+import QtQuick.Window 2.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -217,4 +217,4 @@ UM.Dialog
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Dialogs/OpenFilesIncludingProjectsDialog.qml b/resources/qml/Dialogs/OpenFilesIncludingProjectsDialog.qml
index d278a632ac..3f1900c66b 100644
--- a/resources/qml/Dialogs/OpenFilesIncludingProjectsDialog.qml
+++ b/resources/qml/Dialogs/OpenFilesIncludingProjectsDialog.qml
@@ -1,12 +1,12 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
-import QtQuick.Window 2.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Window 2.1
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
@@ -110,4 +110,4 @@ UM.Dialog
             name: "cura"
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Dialogs/WorkspaceSummaryDialog.qml b/resources/qml/Dialogs/WorkspaceSummaryDialog.qml
index d830a5ce36..32015b902a 100644
--- a/resources/qml/Dialogs/WorkspaceSummaryDialog.qml
+++ b/resources/qml/Dialogs/WorkspaceSummaryDialog.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Window 2.15
+import QtQuick.Layouts 1.3
+import QtQuick.Window 2.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/EmptyViewMenuComponent.qml b/resources/qml/EmptyViewMenuComponent.qml
index 4a82ec7c94..10a50ea023 100644
--- a/resources/qml/EmptyViewMenuComponent.qml
+++ b/resources/qml/EmptyViewMenuComponent.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtGraphicalEffects 1.12 // For the dropshadow
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtGraphicalEffects 1.0 // For the dropshadow
 
 import UM 1.2 as UM
 
diff --git a/resources/qml/ExpandableComponent.qml b/resources/qml/ExpandableComponent.qml
index 7366ace788..f637cccdbb 100644
--- a/resources/qml/ExpandableComponent.qml
+++ b/resources/qml/ExpandableComponent.qml
@@ -1,13 +1,13 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
 
-import QtGraphicalEffects 1.12 // For the dropshadow
+import QtGraphicalEffects 1.0 // For the dropshadow
 
 // The expandable component has 2 major sub components:
 //      * The headerItem; Always visible and should hold some info about what happens if the component is expanded
diff --git a/resources/qml/ExpandableComponentHeader.qml b/resources/qml/ExpandableComponentHeader.qml
index 8cdb25f586..cd6ccfb825 100644
--- a/resources/qml/ExpandableComponentHeader.qml
+++ b/resources/qml/ExpandableComponentHeader.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -66,4 +66,4 @@ Cura.RoundedRectangle
 
         onClicked: toggleContent() // Will hide the popup item
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ExpandablePopup.qml b/resources/qml/ExpandablePopup.qml
index c44e7e6d25..7829093e8d 100644
--- a/resources/qml/ExpandablePopup.qml
+++ b/resources/qml/ExpandablePopup.qml
@@ -1,13 +1,13 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
 
-import QtGraphicalEffects 1.12 // For the dropshadow
+import QtGraphicalEffects 1.0 // For the dropshadow
 
 // The expandable component has 2 major sub components:
 //      * The headerItem; Always visible and should hold some info about what happens if the component is expanded
diff --git a/resources/qml/ExtruderButton.qml b/resources/qml/ExtruderButton.qml
index e607bab929..feb399d528 100644
--- a/resources/qml/ExtruderButton.qml
+++ b/resources/qml/ExtruderButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.2
+import QtQuick.Controls 2.0
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ExtruderIcon.qml b/resources/qml/ExtruderIcon.qml
index f775ac9c1b..015ebea52e 100644
--- a/resources/qml/ExtruderIcon.qml
+++ b/resources/qml/ExtruderIcon.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.7
+import QtQuick.Controls 1.1
 import UM 1.2 as UM
 
 Item
@@ -69,4 +69,4 @@ Item
             color: UM.Theme.getColor("text")
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/FPSItem.qml b/resources/qml/FPSItem.qml
index 7665e39743..9f7dfe8746 100644
--- a/resources/qml/FPSItem.qml
+++ b/resources/qml/FPSItem.qml
@@ -1,5 +1,5 @@
-import QtQuick 2.15
-import QtQuick.Window 2.15
+import QtQuick 2.0
+import QtQuick.Window 2.2
 import UM 1.3 as UM
 
 // This is an QML item that shows the FPS and a running average of the FPS.
@@ -78,4 +78,4 @@ Item
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/IconWithText.qml b/resources/qml/IconWithText.qml
index b78d947379..b9fe873b25 100644
--- a/resources/qml/IconWithText.qml
+++ b/resources/qml/IconWithText.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -68,4 +68,4 @@ Item
             margins: margin
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/JobSpecs.qml b/resources/qml/JobSpecs.qml
index 73950e04a0..c1989c4c95 100644
--- a/resources/qml/JobSpecs.qml
+++ b/resources/qml/JobSpecs.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/LabelBar.qml b/resources/qml/LabelBar.qml
index 2bddfecbf8..007c5f1f54 100644
--- a/resources/qml/LabelBar.qml
+++ b/resources/qml/LabelBar.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 
diff --git a/resources/qml/MachineAction.qml b/resources/qml/MachineAction.qml
index 7fd6482b2a..2c43f9f96d 100644
--- a/resources/qml/MachineAction.qml
+++ b/resources/qml/MachineAction.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.15
+import QtQuick 2.2
 
 Item
 {
@@ -16,4 +16,4 @@ Item
     {
         manager.reset()
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/MachineSettings/ComboBoxWithOptions.qml b/resources/qml/MachineSettings/ComboBoxWithOptions.qml
index 201b1cc28c..0ad4f8bb0c 100644
--- a/resources/qml/MachineSettings/ComboBoxWithOptions.qml
+++ b/resources/qml/MachineSettings/ComboBoxWithOptions.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/MachineSettings/GcodeTextArea.qml b/resources/qml/MachineSettings/GcodeTextArea.qml
index 2085369437..f8bd02de3b 100644
--- a/resources/qml/MachineSettings/GcodeTextArea.qml
+++ b/resources/qml/MachineSettings/GcodeTextArea.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml b/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
index 7b741de4ef..32e0e6dcaa 100644
--- a/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
+++ b/resources/qml/MachineSettings/NumericTextFieldWithUnit.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml b/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
index 59ab87c3a8..0b38a91f81 100644
--- a/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
+++ b/resources/qml/MachineSettings/PrintHeadMinMaxTextField.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/MachineSettings/SimpleCheckBox.qml b/resources/qml/MachineSettings/SimpleCheckBox.qml
index 37520e7c48..821c68745a 100644
--- a/resources/qml/MachineSettings/SimpleCheckBox.qml
+++ b/resources/qml/MachineSettings/SimpleCheckBox.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/MainWindow/ApplicationMenu.qml b/resources/qml/MainWindow/ApplicationMenu.qml
index a272f4baee..95cea77248 100644
--- a/resources/qml/MainWindow/ApplicationMenu.qml
+++ b/resources/qml/MainWindow/ApplicationMenu.qml
@@ -1,11 +1,11 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.1
+import QtQuick.Dialogs 1.2
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
@@ -198,4 +198,4 @@ Item
             curaExtensions.callExtensionMethod("Toolbox", "setViewCategoryToMaterials")
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/MainWindow/MainWindowHeader.qml b/resources/qml/MainWindow/MainWindowHeader.qml
index 7320043014..5d1a20c8b1 100644
--- a/resources/qml/MainWindow/MainWindowHeader.qml
+++ b/resources/qml/MainWindow/MainWindowHeader.qml
@@ -1,14 +1,14 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15 as Controls2
+import QtQuick 2.7
+import QtQuick.Controls 2.0 as Controls2
 import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+import QtQuick.Controls.Styles 1.1
 
 import UM 1.4 as UM
 import Cura 1.0 as Cura
-import QtGraphicalEffects 1.12
+import QtGraphicalEffects 1.0
 
 import "../Account"
 
diff --git a/resources/qml/Menus/ConfigurationMenu/AutoConfiguration.qml b/resources/qml/Menus/ConfigurationMenu/AutoConfiguration.qml
index 90e297629a..18409dd43a 100644
--- a/resources/qml/Menus/ConfigurationMenu/AutoConfiguration.qml
+++ b/resources/qml/Menus/ConfigurationMenu/AutoConfiguration.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
@@ -36,4 +36,4 @@ Item
 
         outputDevice: Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Menus/ConfigurationMenu/ConfigurationItem.qml b/resources/qml/Menus/ConfigurationMenu/ConfigurationItem.qml
index 7629b8f77c..2e2dd0820a 100644
--- a/resources/qml/Menus/ConfigurationMenu/ConfigurationItem.qml
+++ b/resources/qml/Menus/ConfigurationMenu/ConfigurationItem.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/ConfigurationMenu/ConfigurationListView.qml b/resources/qml/Menus/ConfigurationMenu/ConfigurationListView.qml
index c6150729be..3350b29580 100644
--- a/resources/qml/Menus/ConfigurationMenu/ConfigurationListView.qml
+++ b/resources/qml/Menus/ConfigurationMenu/ConfigurationListView.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/ConfigurationMenu/ConfigurationMenu.qml b/resources/qml/Menus/ConfigurationMenu/ConfigurationMenu.qml
index 5a32efd145..d388bd7a7e 100644
--- a/resources/qml/Menus/ConfigurationMenu/ConfigurationMenu.qml
+++ b/resources/qml/Menus/ConfigurationMenu/ConfigurationMenu.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml b/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
index 041d8c8897..7f682c4d2b 100644
--- a/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
+++ b/resources/qml/Menus/ConfigurationMenu/CustomConfiguration.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Controls 1.4 as OldControls
+import QtQuick 2.6
+import QtQuick.Controls 2.0
+import QtQuick.Controls 1.1 as OldControls
 
 import Cura 1.0 as Cura
 import UM 1.3 as UM
diff --git a/resources/qml/Menus/ConfigurationMenu/PrintCoreConfiguration.qml b/resources/qml/Menus/ConfigurationMenu/PrintCoreConfiguration.qml
index 108aecc81f..f93727ea96 100644
--- a/resources/qml/Menus/ConfigurationMenu/PrintCoreConfiguration.qml
+++ b/resources/qml/Menus/ConfigurationMenu/PrintCoreConfiguration.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/ContextMenu.qml b/resources/qml/Menus/ContextMenu.qml
index 001f3b5738..1709d70ab5 100644
--- a/resources/qml/Menus/ContextMenu.qml
+++ b/resources/qml/Menus/ContextMenu.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Dialogs 1.3
-import QtQuick.Window 2.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.2
+import QtQuick.Window 2.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/FileMenu.qml b/resources/qml/Menus/FileMenu.qml
index 977ed8024f..681e0b06ce 100644
--- a/resources/qml/Menus/FileMenu.qml
+++ b/resources/qml/Menus/FileMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
 
 import UM 1.6 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/LocalPrinterMenu.qml b/resources/qml/Menus/LocalPrinterMenu.qml
index 4f4b202a0e..bd6c57d744 100644
--- a/resources/qml/Menus/LocalPrinterMenu.qml
+++ b/resources/qml/Menus/LocalPrinterMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/MaterialMenu.qml b/resources/qml/Menus/MaterialMenu.qml
index d058194b41..b4f15fad00 100644
--- a/resources/qml/Menus/MaterialMenu.qml
+++ b/resources/qml/Menus/MaterialMenu.qml
@@ -1,7 +1,7 @@
 //Copyright (c) 2020 Ultimaker B.V.
 //Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/NetworkPrinterMenu.qml b/resources/qml/Menus/NetworkPrinterMenu.qml
index e92e2d2a21..845159f3b2 100644
--- a/resources/qml/Menus/NetworkPrinterMenu.qml
+++ b/resources/qml/Menus/NetworkPrinterMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/NozzleMenu.qml b/resources/qml/Menus/NozzleMenu.qml
index b9febfea7c..3ec48ab302 100644
--- a/resources/qml/Menus/NozzleMenu.qml
+++ b/resources/qml/Menus/NozzleMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/OpenFilesMenu.qml b/resources/qml/Menus/OpenFilesMenu.qml
index 3def7d7327..3c2b64ee62 100644
--- a/resources/qml/Menus/OpenFilesMenu.qml
+++ b/resources/qml/Menus/OpenFilesMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
 
 import UM 1.6 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/PrinterMenu.qml b/resources/qml/Menus/PrinterMenu.qml
index 6e4a7d60d6..741d927c13 100644
--- a/resources/qml/Menus/PrinterMenu.qml
+++ b/resources/qml/Menus/PrinterMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
diff --git a/resources/qml/Menus/PrinterTypeMenu.qml b/resources/qml/Menus/PrinterTypeMenu.qml
index ec6494cc97..c2a09e0efd 100644
--- a/resources/qml/Menus/PrinterTypeMenu.qml
+++ b/resources/qml/Menus/PrinterTypeMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.3 as UM
diff --git a/resources/qml/Menus/RecentFilesMenu.qml b/resources/qml/Menus/RecentFilesMenu.qml
index abb01471c1..de6d2e3817 100644
--- a/resources/qml/Menus/RecentFilesMenu.qml
+++ b/resources/qml/Menus/RecentFilesMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Menus/SaveProjectMenu.qml b/resources/qml/Menus/SaveProjectMenu.qml
index db725f97da..afc6008717 100644
--- a/resources/qml/Menus/SaveProjectMenu.qml
+++ b/resources/qml/Menus/SaveProjectMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
 
 import UM 1.6 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Menus/SettingVisibilityPresetsMenu.qml b/resources/qml/Menus/SettingVisibilityPresetsMenu.qml
index 6db8abbc87..56cb001ff5 100644
--- a/resources/qml/Menus/SettingVisibilityPresetsMenu.qml
+++ b/resources/qml/Menus/SettingVisibilityPresetsMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/SettingsMenu.qml b/resources/qml/Menus/SettingsMenu.qml
index fde630aec5..939ade5847 100644
--- a/resources/qml/Menus/SettingsMenu.qml
+++ b/resources/qml/Menus/SettingsMenu.qml
@@ -1,7 +1,7 @@
 //Copyright (c) 2020 Ultimaker B.V.
 //Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
@@ -68,4 +68,4 @@ Menu
     MenuSeparator { }
 
     MenuItem { action: Cura.Actions.configureSettingVisibility }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Menus/ViewMenu.qml b/resources/qml/Menus/ViewMenu.qml
index 95fbd8d6c7..8865ebb07e 100644
--- a/resources/qml/Menus/ViewMenu.qml
+++ b/resources/qml/Menus/ViewMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/MonitorButton.qml b/resources/qml/MonitorButton.qml
index fc0a0ff766..e6248f43b4 100644
--- a/resources/qml/MonitorButton.qml
+++ b/resources/qml/MonitorButton.qml
@@ -1,11 +1,11 @@
 //Copyright (c) 2018 Ultimaker B.V.
 //Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Dialogs 1.3
-import QtQuick.Layouts 1.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Dialogs 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ObjectItemButton.qml b/resources/qml/ObjectItemButton.qml
index ac89b1a21b..5867a1c544 100644
--- a/resources/qml/ObjectItemButton.qml
+++ b/resources/qml/ObjectItemButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ObjectSelector.qml b/resources/qml/ObjectSelector.qml
index c0df54462a..15cb476e08 100644
--- a/resources/qml/ObjectSelector.qml
+++ b/resources/qml/ObjectSelector.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Preferences/GeneralPage.qml b/resources/qml/Preferences/GeneralPage.qml
index 7ba4d86026..e4ea2146ae 100644
--- a/resources/qml/Preferences/GeneralPage.qml
+++ b/resources/qml/Preferences/GeneralPage.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Controls.Styles 1.4
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Layouts 1.1
+import QtQuick.Controls.Styles 1.1
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Preferences/MachinesPage.qml b/resources/qml/Preferences/MachinesPage.qml
index 7ea0ba2c57..a8b64f94a4 100644
--- a/resources/qml/Preferences/MachinesPage.qml
+++ b/resources/qml/Preferences/MachinesPage.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
-import QtQuick.Window 2.15
+import QtQuick.Window 2.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Preferences/Materials/MaterialsBrandSection.qml b/resources/qml/Preferences/Materials/MaterialsBrandSection.qml
index 14af216388..606acc2950 100644
--- a/resources/qml/Preferences/Materials/MaterialsBrandSection.qml
+++ b/resources/qml/Preferences/Materials/MaterialsBrandSection.qml
@@ -1,11 +1,11 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -144,4 +144,4 @@ Item
             expanded = materialList.expandedBrands.indexOf(sectionName) > -1
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Preferences/Materials/MaterialsDetailsPanel.qml b/resources/qml/Preferences/Materials/MaterialsDetailsPanel.qml
index a0cd1c15f2..e821dfb955 100644
--- a/resources/qml/Preferences/Materials/MaterialsDetailsPanel.qml
+++ b/resources/qml/Preferences/Materials/MaterialsDetailsPanel.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -119,4 +119,4 @@ Item
             property string adhesion_info: "";
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Preferences/Materials/MaterialsList.qml b/resources/qml/Preferences/Materials/MaterialsList.qml
index ef1ed90f88..3173fbd680 100644
--- a/resources/qml/Preferences/Materials/MaterialsList.qml
+++ b/resources/qml/Preferences/Materials/MaterialsList.qml
@@ -1,11 +1,11 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -166,4 +166,4 @@ Item
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Preferences/Materials/MaterialsPage.qml b/resources/qml/Preferences/Materials/MaterialsPage.qml
index 310a9d71a3..791d6685de 100644
--- a/resources/qml/Preferences/Materials/MaterialsPage.qml
+++ b/resources/qml/Preferences/Materials/MaterialsPage.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.5 as Cura
diff --git a/resources/qml/Preferences/Materials/MaterialsSlot.qml b/resources/qml/Preferences/Materials/MaterialsSlot.qml
index 710c9c3bba..81bb8759ff 100644
--- a/resources/qml/Preferences/Materials/MaterialsSlot.qml
+++ b/resources/qml/Preferences/Materials/MaterialsSlot.qml
@@ -1,11 +1,11 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -125,4 +125,4 @@ Rectangle
             source: materialSlot.is_favorite ? UM.Theme.getIcon("favorites_star_full") : UM.Theme.getIcon("favorites_star_empty")
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Preferences/Materials/MaterialsTypeSection.qml b/resources/qml/Preferences/Materials/MaterialsTypeSection.qml
index 0722ce1c5c..7219cb7b89 100644
--- a/resources/qml/Preferences/Materials/MaterialsTypeSection.qml
+++ b/resources/qml/Preferences/Materials/MaterialsTypeSection.qml
@@ -1,11 +1,11 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -134,4 +134,4 @@ Item
             expanded = materialList.expandedTypes.indexOf(materialBrand + "_" + materialName) > -1
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Preferences/Materials/MaterialsView.qml b/resources/qml/Preferences/Materials/MaterialsView.qml
index ff8e90a10b..489ff1f33e 100644
--- a/resources/qml/Preferences/Materials/MaterialsView.qml
+++ b/resources/qml/Preferences/Materials/MaterialsView.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
-import QtQuick.Dialogs 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Preferences/ProfileTab.qml b/resources/qml/Preferences/ProfileTab.qml
index 9b1001d8fd..3c0c46ed72 100644
--- a/resources/qml/Preferences/ProfileTab.qml
+++ b/resources/qml/Preferences/ProfileTab.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Preferences/ProfilesPage.qml b/resources/qml/Preferences/ProfilesPage.qml
index 7526db9d74..9144d4dbe1 100644
--- a/resources/qml/Preferences/ProfilesPage.qml
+++ b/resources/qml/Preferences/ProfilesPage.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
-import QtQuick.Layouts 1.15
-import QtQuick.Dialogs 1.3
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs 1.2
 
 import UM 1.2 as UM
 import Cura 1.6 as Cura
diff --git a/resources/qml/Preferences/ReadOnlySpinBox.qml b/resources/qml/Preferences/ReadOnlySpinBox.qml
index dd425978db..11e47b38b2 100644
--- a/resources/qml/Preferences/ReadOnlySpinBox.qml
+++ b/resources/qml/Preferences/ReadOnlySpinBox.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Dialogs 1.3
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.2
 
 Item
 {
diff --git a/resources/qml/Preferences/ReadOnlyTextArea.qml b/resources/qml/Preferences/ReadOnlyTextArea.qml
index 4e068e0b66..2c553ac2ca 100644
--- a/resources/qml/Preferences/ReadOnlyTextArea.qml
+++ b/resources/qml/Preferences/ReadOnlyTextArea.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
+import QtQuick 2.1
+import QtQuick.Controls 1.1
 
 Item
 {
diff --git a/resources/qml/Preferences/ReadOnlyTextField.qml b/resources/qml/Preferences/ReadOnlyTextField.qml
index 781826edc8..38d07d7d6a 100644
--- a/resources/qml/Preferences/ReadOnlyTextField.qml
+++ b/resources/qml/Preferences/ReadOnlyTextField.qml
@@ -2,9 +2,9 @@
 // Cura is released under the terms of the LGPLv3 or higher.
 // Different than the name suggests, it is not always read-only.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Dialogs 1.3
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Dialogs 1.2
 
 Item
 {
diff --git a/resources/qml/Preferences/SettingVisibilityPage.qml b/resources/qml/Preferences/SettingVisibilityPage.qml
index e976fe6cec..eda40af0b1 100644
--- a/resources/qml/Preferences/SettingVisibilityPage.qml
+++ b/resources/qml/Preferences/SettingVisibilityPage.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
 
 import UM 1.2 as UM
 
@@ -202,4 +202,4 @@ UM.PreferencesPage
             UM.SettingVisibilityItem { }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrimaryButton.qml b/resources/qml/PrimaryButton.qml
index 492846a43b..fca63d2cdb 100644
--- a/resources/qml/PrimaryButton.qml
+++ b/resources/qml/PrimaryButton.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
@@ -17,4 +17,4 @@ Cura.ActionButton
     disabledColor: UM.Theme.getColor("action_button_disabled")
     textDisabledColor: UM.Theme.getColor("action_button_disabled_text")
     hoverColor: UM.Theme.getColor("primary_button_hover")
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintMonitor.qml b/resources/qml/PrintMonitor.qml
index 10b63e7416..19c2562874 100644
--- a/resources/qml/PrintMonitor.qml
+++ b/resources/qml/PrintMonitor.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -183,4 +183,4 @@ Item
     {
         id: tooltip
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Custom/CustomPrintSetup.qml b/resources/qml/PrintSetupSelector/Custom/CustomPrintSetup.qml
index aaa595b30c..d18febfc5f 100644
--- a/resources/qml/PrintSetupSelector/Custom/CustomPrintSetup.qml
+++ b/resources/qml/PrintSetupSelector/Custom/CustomPrintSetup.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 import QtQuick.Controls 1.4 as OldControls
-import QtQuick.Layouts 1.15
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.6 as Cura
diff --git a/resources/qml/PrintSetupSelector/Custom/MenuButton.qml b/resources/qml/PrintSetupSelector/Custom/MenuButton.qml
index ed88805cae..ffa6a68c9d 100644
--- a/resources/qml/PrintSetupSelector/Custom/MenuButton.qml
+++ b/resources/qml/PrintSetupSelector/Custom/MenuButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.6 as Cura
@@ -51,4 +51,4 @@ Button
         font: UM.Theme.getFont("default")
         color: button.enabled ? UM.Theme.getColor("text") :UM.Theme.getColor("text_inactive")
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Custom/QualitiesWithIntentMenu.qml b/resources/qml/PrintSetupSelector/Custom/QualitiesWithIntentMenu.qml
index ecd331d189..c879ff53fd 100644
--- a/resources/qml/PrintSetupSelector/Custom/QualitiesWithIntentMenu.qml
+++ b/resources/qml/PrintSetupSelector/Custom/QualitiesWithIntentMenu.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.6 as Cura
diff --git a/resources/qml/PrintSetupSelector/NoIntentIcon.qml b/resources/qml/PrintSetupSelector/NoIntentIcon.qml
index 5b04271ba0..7943a05ab4 100644
--- a/resources/qml/PrintSetupSelector/NoIntentIcon.qml
+++ b/resources/qml/PrintSetupSelector/NoIntentIcon.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.6 as Cura
@@ -33,4 +33,4 @@ Item
         }
         onExited: base.hideTooltip()
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/PrintSetupSelector.qml b/resources/qml/PrintSetupSelector/PrintSetupSelector.qml
index bc690bc6ac..414c349bb6 100644
--- a/resources/qml/PrintSetupSelector/PrintSetupSelector.qml
+++ b/resources/qml/PrintSetupSelector/PrintSetupSelector.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/PrintSetupSelector/PrintSetupSelectorContents.qml b/resources/qml/PrintSetupSelector/PrintSetupSelectorContents.qml
index a2b37042ed..81b752eef6 100644
--- a/resources/qml/PrintSetupSelector/PrintSetupSelectorContents.qml
+++ b/resources/qml/PrintSetupSelector/PrintSetupSelectorContents.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
@@ -239,4 +239,4 @@ Item
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/PrintSetupSelectorHeader.qml b/resources/qml/PrintSetupSelector/PrintSetupSelectorHeader.qml
index e4c0500bc3..1a15980693 100644
--- a/resources/qml/PrintSetupSelector/PrintSetupSelectorHeader.qml
+++ b/resources/qml/PrintSetupSelector/PrintSetupSelectorHeader.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
@@ -92,4 +92,4 @@ RowLayout
             watchedProperties: [ "value"]
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedAdhesionSelector.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedAdhesionSelector.qml
index c3fb60ea7f..1ae265ab47 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedAdhesionSelector.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedAdhesionSelector.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
@@ -87,4 +87,4 @@ Item
         watchedProperties: [ "value", "resolve", "enabled" ]
         storeIndex: 0
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedInfillDensitySelector.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedInfillDensitySelector.qml
index 787e66520d..19f199fea6 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedInfillDensitySelector.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedInfillDensitySelector.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
@@ -252,4 +252,4 @@ Item
         watchedProperties: ["value", "enabled"]
         storeIndex: 0
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedPrintSetup.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedPrintSetup.qml
index 6352460d59..22c4039063 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedPrintSetup.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedPrintSetup.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
index 63538c3d4c..337aff573f 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedQualityProfileSelector.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
-import QtQuick.Controls 2.15 as Controls2
+import QtQuick.Controls 2.3 as Controls2
 import QtQuick.Controls.Styles 1.4
 
 import UM 1.2 as UM
@@ -198,4 +198,4 @@ Item
 
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml b/resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml
index d1fd3f584d..aadee43c36 100644
--- a/resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml
+++ b/resources/qml/PrintSetupSelector/Recommended/RecommendedSupportSelector.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Controls 2.15 as Controls2
+import QtQuick.Controls 2.3 as Controls2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -342,4 +342,4 @@ Item
         watchedProperties: ["value"]
         storeIndex: 0
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrintSetupTooltip.qml b/resources/qml/PrintSetupTooltip.qml
index a64a609724..91f044ceed 100644
--- a/resources/qml/PrintSetupTooltip.qml
+++ b/resources/qml/PrintSetupTooltip.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.0 as UM
 
diff --git a/resources/qml/PrinterOutput/ExtruderBox.qml b/resources/qml/PrinterOutput/ExtruderBox.qml
index cc54280d48..ddd0a87c9f 100644
--- a/resources/qml/PrinterOutput/ExtruderBox.qml
+++ b/resources/qml/PrinterOutput/ExtruderBox.qml
@@ -1,10 +1,10 @@
 //Copyright (c) 2019 Ultimaker B.V.
 //Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -478,4 +478,4 @@ Item
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrinterOutput/HeatedBedBox.qml b/resources/qml/PrinterOutput/HeatedBedBox.qml
index 34ccd33d55..2e3e319c89 100644
--- a/resources/qml/PrinterOutput/HeatedBedBox.qml
+++ b/resources/qml/PrinterOutput/HeatedBedBox.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -368,4 +368,4 @@ Item
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrinterOutput/ManualPrinterControl.qml b/resources/qml/PrinterOutput/ManualPrinterControl.qml
index 9acea35708..e8947bfdf4 100644
--- a/resources/qml/PrinterOutput/ManualPrinterControl.qml
+++ b/resources/qml/PrinterOutput/ManualPrinterControl.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/PrinterOutput/MonitorItem.qml b/resources/qml/PrinterOutput/MonitorItem.qml
index f8e14ba0fc..a26ec20f64 100644
--- a/resources/qml/PrinterOutput/MonitorItem.qml
+++ b/resources/qml/PrinterOutput/MonitorItem.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -43,4 +43,4 @@ Item
             elide: Text.ElideRight
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrinterOutput/MonitorSection.qml b/resources/qml/PrinterOutput/MonitorSection.qml
index 8a40b505b1..1d9df777b6 100644
--- a/resources/qml/PrinterOutput/MonitorSection.qml
+++ b/resources/qml/PrinterOutput/MonitorSection.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick.Layouts 1.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/PrinterOutput/OutputDeviceHeader.qml b/resources/qml/PrinterOutput/OutputDeviceHeader.qml
index 0a6ab83b6a..cbb9461778 100644
--- a/resources/qml/PrinterOutput/OutputDeviceHeader.qml
+++ b/resources/qml/PrinterOutput/OutputDeviceHeader.qml
@@ -1,8 +1,8 @@
-import QtQuick 2.15
+import QtQuick 2.2
 
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.1
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -64,4 +64,4 @@ Item
             anchors.topMargin: UM.Theme.getSize("default_margin").height
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/PrinterSelector/MachineSelector.qml b/resources/qml/PrinterSelector/MachineSelector.qml
index 3c2b1b9d83..17bb80906a 100644
--- a/resources/qml/PrinterSelector/MachineSelector.qml
+++ b/resources/qml/PrinterSelector/MachineSelector.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/PrinterSelector/MachineSelectorButton.qml b/resources/qml/PrinterSelector/MachineSelectorButton.qml
index 981f1df640..bb30cded9f 100644
--- a/resources/qml/PrinterSelector/MachineSelectorButton.qml
+++ b/resources/qml/PrinterSelector/MachineSelectorButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/PrinterSelector/MachineSelectorList.qml b/resources/qml/PrinterSelector/MachineSelectorList.qml
index e1fa44961b..18b1a68b20 100644
--- a/resources/qml/PrinterSelector/MachineSelectorList.qml
+++ b/resources/qml/PrinterSelector/MachineSelectorList.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/PrinterTypeLabel.qml b/resources/qml/PrinterTypeLabel.qml
index b30cad5138..f2e8dc6f48 100644
--- a/resources/qml/PrinterTypeLabel.qml
+++ b/resources/qml/PrinterTypeLabel.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.1
 
 import UM 1.1 as UM
 
@@ -34,4 +34,4 @@ Item
         font: UM.Theme.getFont("default")
         color: UM.Theme.getColor("text")
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/RadioCheckbar.qml b/resources/qml/RadioCheckbar.qml
index c15de09828..0b8709fe7a 100644
--- a/resources/qml/RadioCheckbar.qml
+++ b/resources/qml/RadioCheckbar.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 import UM 1.1 as UM
 
 Item
diff --git a/resources/qml/RoundedRectangle.qml b/resources/qml/RoundedRectangle.qml
index c25451fc77..3ca05e2125 100644
--- a/resources/qml/RoundedRectangle.qml
+++ b/resources/qml/RoundedRectangle.qml
@@ -1,4 +1,4 @@
-import QtQuick 2.15
+import QtQuick 2.7
 
 import UM 1.2 as UM
 
diff --git a/resources/qml/SecondaryButton.qml b/resources/qml/SecondaryButton.qml
index e040f89843..f03d8acdfa 100644
--- a/resources/qml/SecondaryButton.qml
+++ b/resources/qml/SecondaryButton.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
@@ -17,4 +17,4 @@ Cura.ActionButton
     disabledColor: UM.Theme.getColor("action_button_disabled")
     textDisabledColor: UM.Theme.getColor("action_button_disabled_text")
     hoverColor: UM.Theme.getColor("secondary_button_hover")
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Settings/SettingCategory.qml b/resources/qml/Settings/SettingCategory.qml
index 6f3dedbc89..e3e12d7753 100644
--- a/resources/qml/Settings/SettingCategory.qml
+++ b/resources/qml/Settings/SettingCategory.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Settings/SettingCheckBox.qml b/resources/qml/Settings/SettingCheckBox.qml
index 57a4240671..e3de6e219d 100644
--- a/resources/qml/Settings/SettingCheckBox.qml
+++ b/resources/qml/Settings/SettingCheckBox.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Layouts 1.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Layouts 1.2
+import QtQuick.Controls 2.0
 
 import UM 1.2 as UM
 
diff --git a/resources/qml/Settings/SettingComboBox.qml b/resources/qml/Settings/SettingComboBox.qml
index 82e7e89823..cbabb3ffd4 100644
--- a/resources/qml/Settings/SettingComboBox.qml
+++ b/resources/qml/Settings/SettingComboBox.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Settings/SettingExtruder.qml b/resources/qml/Settings/SettingExtruder.qml
index bebda26c17..2bf9e24b3d 100644
--- a/resources/qml/Settings/SettingExtruder.qml
+++ b/resources/qml/Settings/SettingExtruder.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Settings/SettingItem.qml b/resources/qml/Settings/SettingItem.qml
index 437c7aa548..f0c748d190 100644
--- a/resources/qml/Settings/SettingItem.qml
+++ b/resources/qml/Settings/SettingItem.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Layouts 1.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Layouts 1.2
+import QtQuick.Controls 2.0
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Settings/SettingOptionalExtruder.qml b/resources/qml/Settings/SettingOptionalExtruder.qml
index da159b3a49..ce078551d8 100644
--- a/resources/qml/Settings/SettingOptionalExtruder.qml
+++ b/resources/qml/Settings/SettingOptionalExtruder.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.1 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Settings/SettingTextField.qml b/resources/qml/Settings/SettingTextField.qml
index 64f8492918..9fc3d0a554 100644
--- a/resources/qml/Settings/SettingTextField.qml
+++ b/resources/qml/Settings/SettingTextField.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.1 as UM
 
diff --git a/resources/qml/Settings/SettingUnknown.qml b/resources/qml/Settings/SettingUnknown.qml
index 374757d349..8eeb2fb6a0 100644
--- a/resources/qml/Settings/SettingUnknown.qml
+++ b/resources/qml/Settings/SettingUnknown.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2015 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.0
 
 import UM 1.2 as UM
 
diff --git a/resources/qml/Settings/SettingView.qml b/resources/qml/Settings/SettingView.qml
index 13e212c8db..fae8f9a186 100644
--- a/resources/qml/Settings/SettingView.qml
+++ b/resources/qml/Settings/SettingView.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
-import QtQuick.Layouts 1.15
+import QtQuick 2.7
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Layouts 1.2
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/TableView.qml b/resources/qml/TableView.qml
index 37a3dbe1d6..1b084be5a0 100644
--- a/resources/qml/TableView.qml
+++ b/resources/qml/TableView.qml
@@ -1,9 +1,9 @@
 // Copyright (C) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.10
 import QtQuick.Controls 1.4 as OldControls // TableView doesn't exist in the QtQuick Controls 2.x in 5.10, so use the old one
-import QtQuick.Controls 2.15
+import QtQuick.Controls 2.3
 import QtQuick.Controls.Styles 1.4
 
 import UM 1.2 as UM
@@ -65,4 +65,4 @@ OldControls.TableView
         incrementControl: Item { }
         decrementControl: Item { }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/TertiaryButton.qml b/resources/qml/TertiaryButton.qml
index 5d47f0c561..eb714c22f6 100644
--- a/resources/qml/TertiaryButton.qml
+++ b/resources/qml/TertiaryButton.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/ToolTip.qml b/resources/qml/ToolTip.qml
index fc7b977ff9..b8873439f1 100644
--- a/resources/qml/ToolTip.qml
+++ b/resources/qml/ToolTip.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.0 as UM
 import Cura 1.0 as Cura
@@ -79,4 +79,4 @@ ToolTip
     function hide() {
         opacity = 0
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Toolbar.qml b/resources/qml/Toolbar.qml
index 3a4ece76f4..89d64b06ad 100644
--- a/resources/qml/Toolbar.qml
+++ b/resources/qml/Toolbar.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.2
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ToolbarButton.qml b/resources/qml/ToolbarButton.qml
index 672760e730..b3f84bba1d 100644
--- a/resources/qml/ToolbarButton.qml
+++ b/resources/qml/ToolbarButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/ViewOrientationButton.qml b/resources/qml/ViewOrientationButton.qml
index 74ca02faaa..5d72de9a8d 100644
--- a/resources/qml/ViewOrientationButton.qml
+++ b/resources/qml/ViewOrientationButton.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
+import QtQuick 2.2
 
 import UM 1.4 as UM
 
@@ -12,4 +12,4 @@ UM.SimpleButton
     hoverColor: UM.Theme.getColor("small_button_text_hover")
     color: UM.Theme.getColor("small_button_text")
     iconMargin: UM.Theme.getSize("thick_lining").width
-}
+}
\ No newline at end of file
diff --git a/resources/qml/ViewOrientationControls.qml b/resources/qml/ViewOrientationControls.qml
index a1c1e64c78..97f2bb9400 100644
--- a/resources/qml/ViewOrientationControls.qml
+++ b/resources/qml/ViewOrientationControls.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 1.4
-import QtQuick.Controls.Styles 1.4
+import QtQuick 2.2
+import QtQuick.Controls 1.1
+import QtQuick.Controls.Styles 1.1
 
 import UM 1.4 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/ViewsSelector.qml b/resources/qml/ViewsSelector.qml
index 3bd464eff9..af98469921 100644
--- a/resources/qml/ViewsSelector.qml
+++ b/resources/qml/ViewsSelector.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.7
+import QtQuick.Controls 2.3
 
 import UM 1.2 as UM
 import Cura 1.0 as Cura
@@ -130,4 +130,4 @@ Cura.ExpandablePopup
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/WelcomePages/AddCloudPrintersView.qml b/resources/qml/WelcomePages/AddCloudPrintersView.qml
index eb8accf882..524bf288a0 100644
--- a/resources/qml/WelcomePages/AddCloudPrintersView.qml
+++ b/resources/qml/WelcomePages/AddCloudPrintersView.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.7 as Cura
diff --git a/resources/qml/WelcomePages/AddLocalPrinterScrollView.qml b/resources/qml/WelcomePages/AddLocalPrinterScrollView.qml
index caf5e64453..f9193e724d 100644
--- a/resources/qml/WelcomePages/AddLocalPrinterScrollView.qml
+++ b/resources/qml/WelcomePages/AddLocalPrinterScrollView.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/AddNetworkOrLocalPrinterContent.qml b/resources/qml/WelcomePages/AddNetworkOrLocalPrinterContent.qml
index aaff0ec1f3..c2706cb8d4 100644
--- a/resources/qml/WelcomePages/AddNetworkOrLocalPrinterContent.qml
+++ b/resources/qml/WelcomePages/AddNetworkOrLocalPrinterContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml b/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
index 61a7063f5c..9d79c421bd 100644
--- a/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
+++ b/resources/qml/WelcomePages/AddNetworkPrinterScrollView.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/AddPrinterByIpContent.qml b/resources/qml/WelcomePages/AddPrinterByIpContent.qml
index e13cfb079f..9a69b78a83 100644
--- a/resources/qml/WelcomePages/AddPrinterByIpContent.qml
+++ b/resources/qml/WelcomePages/AddPrinterByIpContent.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.5 as Cura
diff --git a/resources/qml/WelcomePages/ChangelogContent.qml b/resources/qml/WelcomePages/ChangelogContent.qml
index e85a02251f..d3eebe72e4 100644
--- a/resources/qml/WelcomePages/ChangelogContent.qml
+++ b/resources/qml/WelcomePages/ChangelogContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/CloudContent.qml b/resources/qml/WelcomePages/CloudContent.qml
index 507433a603..692ad12a29 100644
--- a/resources/qml/WelcomePages/CloudContent.qml
+++ b/resources/qml/WelcomePages/CloudContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/DataCollectionsContent.qml b/resources/qml/WelcomePages/DataCollectionsContent.qml
index d9320c6c82..be4d09e876 100644
--- a/resources/qml/WelcomePages/DataCollectionsContent.qml
+++ b/resources/qml/WelcomePages/DataCollectionsContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/DropDownHeader.qml b/resources/qml/WelcomePages/DropDownHeader.qml
index 7edf363ab3..88da32c879 100644
--- a/resources/qml/WelcomePages/DropDownHeader.qml
+++ b/resources/qml/WelcomePages/DropDownHeader.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/DropDownWidget.qml b/resources/qml/WelcomePages/DropDownWidget.qml
index 1c46ec847f..7ec6860c89 100644
--- a/resources/qml/WelcomePages/DropDownWidget.qml
+++ b/resources/qml/WelcomePages/DropDownWidget.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/FirstStartMachineActionsContent.qml b/resources/qml/WelcomePages/FirstStartMachineActionsContent.qml
index 685a9907cd..64a815855b 100644
--- a/resources/qml/WelcomePages/FirstStartMachineActionsContent.qml
+++ b/resources/qml/WelcomePages/FirstStartMachineActionsContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/ImageTile.qml b/resources/qml/WelcomePages/ImageTile.qml
index 0ceebd3403..7ed07304e6 100644
--- a/resources/qml/WelcomePages/ImageTile.qml
+++ b/resources/qml/WelcomePages/ImageTile.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 
@@ -36,4 +36,4 @@ Column
         id: image
         source: ""
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/WelcomePages/UserAgreementContent.qml b/resources/qml/WelcomePages/UserAgreementContent.qml
index df2a2e9ec3..764ef03e18 100644
--- a/resources/qml/WelcomePages/UserAgreementContent.qml
+++ b/resources/qml/WelcomePages/UserAgreementContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/WelcomeContent.qml b/resources/qml/WelcomePages/WelcomeContent.qml
index 639915b333..45a0bf4a7c 100644
--- a/resources/qml/WelcomePages/WelcomeContent.qml
+++ b/resources/qml/WelcomePages/WelcomeContent.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/WelcomeDialogItem.qml b/resources/qml/WelcomePages/WelcomeDialogItem.qml
index 1a8d419011..2d01642ada 100644
--- a/resources/qml/WelcomePages/WelcomeDialogItem.qml
+++ b/resources/qml/WelcomePages/WelcomeDialogItem.qml
@@ -1,10 +1,10 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Window 2.15
-import QtGraphicalEffects 1.12  // For the DropShadow
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Window 2.2
+import QtGraphicalEffects 1.0  // For the DropShadow
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/WhatsNewContent.qml b/resources/qml/WelcomePages/WhatsNewContent.qml
index 1e6feba604..68be6379d6 100644
--- a/resources/qml/WelcomePages/WhatsNewContent.qml
+++ b/resources/qml/WelcomePages/WhatsNewContent.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2021 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Layouts 1.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/WizardDialog.qml b/resources/qml/WelcomePages/WizardDialog.qml
index e0e815300f..cfa03352b0 100644
--- a/resources/qml/WelcomePages/WizardDialog.qml
+++ b/resources/qml/WelcomePages/WizardDialog.qml
@@ -1,9 +1,9 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
-import QtQuick.Window 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
+import QtQuick.Window 2.2
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/WelcomePages/WizardPanel.qml b/resources/qml/WelcomePages/WizardPanel.qml
index d2493d2273..db4b66d18b 100644
--- a/resources/qml/WelcomePages/WizardPanel.qml
+++ b/resources/qml/WelcomePages/WizardPanel.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Widgets/CheckBox.qml b/resources/qml/Widgets/CheckBox.qml
index cbdb679f79..f79dc1620e 100644
--- a/resources/qml/Widgets/CheckBox.qml
+++ b/resources/qml/Widgets/CheckBox.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Widgets/ComboBox.qml b/resources/qml/Widgets/ComboBox.qml
index 617d7d1e21..7eb366f0a3 100644
--- a/resources/qml/Widgets/ComboBox.qml
+++ b/resources/qml/Widgets/ComboBox.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Widgets/NotificationIcon.qml b/resources/qml/Widgets/NotificationIcon.qml
index b531248d13..5cf4d17777 100644
--- a/resources/qml/Widgets/NotificationIcon.qml
+++ b/resources/qml/Widgets/NotificationIcon.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.4 as UM
 
diff --git a/resources/qml/Widgets/RadioButton.qml b/resources/qml/Widgets/RadioButton.qml
index 5421f9af56..13aee7ba90 100644
--- a/resources/qml/Widgets/RadioButton.qml
+++ b/resources/qml/Widgets/RadioButton.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.0 as Cura
diff --git a/resources/qml/Widgets/ScrollView.qml b/resources/qml/Widgets/ScrollView.qml
index 6fa06ba36b..9e7531994c 100644
--- a/resources/qml/Widgets/ScrollView.qml
+++ b/resources/qml/Widgets/ScrollView.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2020 Ultimaker B.V.
 // Toolbox is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.1 as UM
 
@@ -43,4 +43,4 @@ ScrollView
             Behavior on opacity { NumberAnimation { duration: 100 } }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/resources/qml/Widgets/ScrollableTextArea.qml b/resources/qml/Widgets/ScrollableTextArea.qml
index eeebc41e96..86dcad8112 100644
--- a/resources/qml/Widgets/ScrollableTextArea.qml
+++ b/resources/qml/Widgets/ScrollableTextArea.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura
diff --git a/resources/qml/Widgets/TextField.qml b/resources/qml/Widgets/TextField.qml
index f702c4f296..28074d4415 100644
--- a/resources/qml/Widgets/TextField.qml
+++ b/resources/qml/Widgets/TextField.qml
@@ -1,8 +1,8 @@
 // Copyright (c) 2019 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.15
-import QtQuick.Controls 2.15
+import QtQuick 2.10
+import QtQuick.Controls 2.3
 
 import UM 1.3 as UM
 import Cura 1.1 as Cura