diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index 46d4270da7..14b09c4902 100755
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -1428,7 +1428,7 @@ class CuraApplication(QtApplication):
 
         self.fileLoaded.emit(filename)
         arrange_objects_on_load = Preferences.getInstance().getValue("cura/arrange_objects_on_load")
-        target_build_plate = self.activeBuildPlate if arrange_objects_on_load else -1
+        target_build_plate = self.getBuildPlateModel().activeBuildPlate if arrange_objects_on_load else -1
 
         for original_node in nodes:
             node = CuraSceneNode()  # We want our own CuraSceneNode
diff --git a/cura/PrintInformation.py b/cura/PrintInformation.py
index 6bf35f49c7..bbc5cd4329 100644
--- a/cura/PrintInformation.py
+++ b/cura/PrintInformation.py
@@ -165,13 +165,16 @@ class PrintInformation(QObject):
     def materialNames(self):
         return self._material_names[self._active_build_plate]
 
+    def printTimes(self):
+        return self._print_time_message_values[self._active_build_plate]
+
     def _onPrintDurationMessage(self, build_plate_number, print_time, material_amounts):
         Logger.log("d", "  ###  print duration message for build plate %s", build_plate_number)
         self._updateTotalPrintTimePerFeature(build_plate_number, print_time)
         self.currentPrintTimeChanged.emit()
 
         self._material_amounts = material_amounts
-        self._calculateInformation()
+        self._calculateInformation(build_plate_number)
 
     def _updateTotalPrintTimePerFeature(self, build_plate_number, print_time):
         total_estimated_time = 0
@@ -192,16 +195,16 @@ class PrintInformation(QObject):
             self._current_print_time[build_plate_number] = Duration(None, self)
         self._current_print_time[build_plate_number].setDuration(total_estimated_time)
 
-    def _calculateInformation(self):
+    def _calculateInformation(self, build_plate_number):
         if Application.getInstance().getGlobalContainerStack() is None:
             return
 
         # Material amount is sent as an amount of mm^3, so calculate length from that
         radius = Application.getInstance().getGlobalContainerStack().getProperty("material_diameter", "value") / 2
-        self._material_lengths[self._active_build_plate] = []
-        self._material_weights[self._active_build_plate] = []
-        self._material_costs[self._active_build_plate] = []
-        self._material_names[self._active_build_plate] = []
+        self._material_lengths[build_plate_number] = []
+        self._material_weights[build_plate_number] = []
+        self._material_costs[build_plate_number] = []
+        self._material_names[build_plate_number] = []
 
         material_preference_values = json.loads(Preferences.getInstance().getValue("cura/material_settings"))
 
@@ -239,10 +242,10 @@ class PrintInformation(QObject):
                 length = round((amount / (math.pi * radius ** 2)) / 1000, 2)
             else:
                 length = 0
-            self._material_weights[self._active_build_plate].append(weight)
-            self._material_lengths[self._active_build_plate].append(length)
-            self._material_costs[self._active_build_plate].append(cost)
-            self._material_names[self._active_build_plate].append(material_name)
+            self._material_weights[build_plate_number].append(weight)
+            self._material_lengths[build_plate_number].append(length)
+            self._material_costs[build_plate_number].append(cost)
+            self._material_names[build_plate_number].append(material_name)
 
         self.materialLengthsChanged.emit()
         self.materialWeightsChanged.emit()
@@ -253,7 +256,8 @@ class PrintInformation(QObject):
         if preference != "cura/material_settings":
             return
 
-        self._calculateInformation()
+        for build_plate_number in range(Application.getInstance().getBuildPlateModel().maxBuildPlate + 1):
+            self._calculateInformation(build_plate_number)
 
     def _onActiveMaterialChanged(self):
         if self._active_material_container:
@@ -284,7 +288,8 @@ class PrintInformation(QObject):
             self.currentPrintTimeChanged.emit()
 
     def _onMaterialMetaDataChanged(self, *args, **kwargs):
-        self._calculateInformation()
+        for build_plate_number in range(Application.getInstance().getBuildPlateModel().maxBuildPlate + 1):
+            self._calculateInformation(build_plate_number)
 
     @pyqtSlot(str)
     def setJobName(self, name):
diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index 859578c3e9..08c89c56a6 100755
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -433,7 +433,6 @@ class CuraEngineBackend(QObject, Backend):
                 self._postponed_scene_change_sources.append(source)
             return
 
-        Logger.log("d", " going to reslice: %s", build_plate_changed)
         self.stopSlicing()
         for build_plate_number in build_plate_changed:
             if build_plate_number not in self._build_plates_to_be_sliced:
diff --git a/plugins/GCodeWriter/GCodeWriter.py b/plugins/GCodeWriter/GCodeWriter.py
index 3860590ef7..192354d947 100644
--- a/plugins/GCodeWriter/GCodeWriter.py
+++ b/plugins/GCodeWriter/GCodeWriter.py
@@ -59,8 +59,9 @@ class GCodeWriter(MeshWriter):
             Logger.log("e", "GCode Writer does not support non-text mode.")
             return False
 
+        active_build_plate = Application.getInstance().getBuildPlateModel().activeBuildPlate
         scene = Application.getInstance().getController().getScene()
-        gcode_list = getattr(scene, "gcode_list")
+        gcode_list = getattr(scene, "gcode_list")[active_build_plate]
         if gcode_list:
             for gcode in gcode_list:
                 stream.write(gcode)
diff --git a/plugins/SliceInfoPlugin/SliceInfo.py b/plugins/SliceInfoPlugin/SliceInfo.py
index 0514c4dacf..a72c056bc9 100755
--- a/plugins/SliceInfoPlugin/SliceInfo.py
+++ b/plugins/SliceInfoPlugin/SliceInfo.py
@@ -162,7 +162,7 @@ class SliceInfo(Extension):
 
                     data["models"].append(model)
 
-            print_times = print_information._print_time_message_values
+            print_times = print_information.printTimes()
             data["print_times"] = {"travel": int(print_times["travel"].getDisplayString(DurationFormat.Format.Seconds)),
                                    "support": int(print_times["support"].getDisplayString(DurationFormat.Format.Seconds)),
                                    "infill": int(print_times["infill"].getDisplayString(DurationFormat.Format.Seconds)),