diff --git a/resources/qml/Menus/BuildplateMenu.qml b/resources/qml/Menus/BuildplateMenu.qml
index 0b67b37cc1..b924aa0879 100644
--- a/resources/qml/Menus/BuildplateMenu.qml
+++ b/resources/qml/Menus/BuildplateMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
@@ -12,7 +12,7 @@ Menu
     id: menu
     title: "Build plate"
 
-    property Cura.BuildPlateModel buildPlateModel: CuraApplication.getBuildPlateModel()
+    property var buildPlateModel: CuraApplication.getBuildPlateModel()
 
     Instantiator
     {
diff --git a/resources/qml/Menus/ContextMenu.qml b/resources/qml/Menus/ContextMenu.qml
index 656e94b336..83302f9463 100644
--- a/resources/qml/Menus/ContextMenu.qml
+++ b/resources/qml/Menus/ContextMenu.qml
@@ -15,7 +15,7 @@ Menu
 
     property bool shouldShowExtruders: machineExtruderCount.properties.value > 1;
 
-    property Cura.MultiBuildPlateModel multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
+    property var multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
 
     // Selection-related actions.
     MenuItem { action: Cura.Actions.centerSelection; }
diff --git a/resources/qml/Menus/MaterialMenu.qml b/resources/qml/Menus/MaterialMenu.qml
index 25fa221e9a..d81e0c86c3 100644
--- a/resources/qml/Menus/MaterialMenu.qml
+++ b/resources/qml/Menus/MaterialMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 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 0b961a5a11..43f3b79dd4 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 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/ProfileMenu.qml b/resources/qml/Menus/ProfileMenu.qml
index 19461f6005..72cda13ca9 100644
--- a/resources/qml/Menus/ProfileMenu.qml
+++ b/resources/qml/Menus/ProfileMenu.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 
 import UM 1.2 as UM
diff --git a/resources/qml/Menus/ViewMenu.qml b/resources/qml/Menus/ViewMenu.qml
index fc0339e0c6..6bbb0b1e2e 100644
--- a/resources/qml/Menus/ViewMenu.qml
+++ b/resources/qml/Menus/ViewMenu.qml
@@ -13,7 +13,7 @@ Menu
     id: base
     enabled: !PrintInformation.preSliced
 
-    property Cura.MultiBuildPlateModel multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
+    property var multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
 
     // main views
     Instantiator
diff --git a/resources/qml/ObjectsList.qml b/resources/qml/ObjectsList.qml
index e7dd63ea05..8c8eaa16ae 100644
--- a/resources/qml/ObjectsList.qml
+++ b/resources/qml/ObjectsList.qml
@@ -31,9 +31,9 @@ Rectangle
     border.width: UM.Theme.getSize("default_lining").width
     border.color: UM.Theme.getColor("lining")
 
-    property bool collapsed: true;
+    property bool collapsed: true
 
-    property Cura.MultiBuildPlateModel multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
+    property var multiBuildPlateModel: CuraApplication.getMultiBuildPlateModel()
 
     SystemPalette { id: palette }
 
diff --git a/resources/qml/Preferences/MachinesPage.qml b/resources/qml/Preferences/MachinesPage.qml
index 49a8d286a8..62e5ef98b4 100644
--- a/resources/qml/Preferences/MachinesPage.qml
+++ b/resources/qml/Preferences/MachinesPage.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2016 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Window 2.1
 
diff --git a/resources/qml/Preferences/MaterialView.qml b/resources/qml/Preferences/MaterialView.qml
index 0016f211e7..c987880305 100644
--- a/resources/qml/Preferences/MaterialView.qml
+++ b/resources/qml/Preferences/MaterialView.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Dialogs 1.2
 
diff --git a/resources/qml/Preferences/MaterialsPage.qml b/resources/qml/Preferences/MaterialsPage.qml
index a5bb2f9883..4a6d07df81 100644
--- a/resources/qml/Preferences/MaterialsPage.qml
+++ b/resources/qml/Preferences/MaterialsPage.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Layouts 1.3
 import QtQuick.Dialogs 1.2
diff --git a/resources/qml/Preferences/ProfileTab.qml b/resources/qml/Preferences/ProfileTab.qml
index dcabf012b7..40f725e092 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 2.8
+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 c604453190..3e10aca000 100644
--- a/resources/qml/Preferences/ProfilesPage.qml
+++ b/resources/qml/Preferences/ProfilesPage.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Uranium is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Layouts 1.3
 import QtQuick.Dialogs 1.2
diff --git a/resources/qml/SidebarAdvanced.qml b/resources/qml/SidebarAdvanced.qml
index ae77bc8d1b..ff5f545c80 100644
--- a/resources/qml/SidebarAdvanced.qml
+++ b/resources/qml/SidebarAdvanced.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2015 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 2.0
 
 import "Settings"
diff --git a/resources/qml/SidebarSimple.qml b/resources/qml/SidebarSimple.qml
index 1991a9fa57..cef6f38b4b 100644
--- a/resources/qml/SidebarSimple.qml
+++ b/resources/qml/SidebarSimple.qml
@@ -1,7 +1,7 @@
 // Copyright (c) 2018 Ultimaker B.V.
 // Cura is released under the terms of the LGPLv3 or higher.
 
-import QtQuick 2.8
+import QtQuick 2.7
 import QtQuick.Controls 1.4
 import QtQuick.Controls.Styles 1.4
 import QtQuick.Layouts 1.3