diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
old mode 100644
new mode 100755
index f28d2e4896..bd38bd8045
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -1094,18 +1094,6 @@ class CuraApplication(QtApplication):
 
     fileLoaded = pyqtSignal(str)
 
-    def _onFileLoaded(self, job):
-        nodes = job.getResult()
-        for node in nodes:
-            if node is not None:
-                self.fileLoaded.emit(job.getFileName())
-                node.setSelectable(True)
-                node.setName(os.path.basename(job.getFileName()))
-                op = AddSceneNodeOperation(node, self.getController().getScene().getRoot())
-                op.push()
-
-                self.getController().getScene().sceneChanged.emit(node) #Force scene change.
-
     def _onJobFinished(self, job):
         if type(job) is not ReadMeshJob or not job.getResult():
             return
@@ -1133,10 +1121,8 @@ class CuraApplication(QtApplication):
         else:
             Logger.log("w", "Could not find a mesh in reloaded node.")
 
-    def _openFile(self, file):
-        job = ReadMeshJob(os.path.abspath(file))
-        job.finished.connect(self._onFileLoaded)
-        job.start()
+    def _openFile(self, filename):
+        self.readLocalFile(QUrl.fromLocalFile(filename))
 
     def _addProfileReader(self, profile_reader):
         # TODO: Add the profile reader to the list of plug-ins that can be used when importing profiles.
diff --git a/plugins/CuraEngineBackend/CuraEngineBackend.py b/plugins/CuraEngineBackend/CuraEngineBackend.py
index 3aa226c518..981145bebd 100755
--- a/plugins/CuraEngineBackend/CuraEngineBackend.py
+++ b/plugins/CuraEngineBackend/CuraEngineBackend.py
@@ -342,11 +342,6 @@ class CuraEngineBackend(QObject, Backend):
     #
     #   \param source The scene node that was changed.
     def _onSceneChanged(self, source):
-        if self._tool_active:
-            # do it later
-            self._postponed_scene_change_sources.append(source)
-            return
-
         if type(source) is not SceneNode:
             return
 
@@ -354,25 +349,27 @@ class CuraEngineBackend(QObject, Backend):
         if source == self._scene.getRoot():
             num_objects = 0
             for node in DepthFirstIterator(self._scene.getRoot()):
-                # For now this seems to be a reliable method to check for nodes that impact slicing
-                # From: SliceInfo, _onWriteStarted
-                if type(node) is not SceneNode or not node.getMeshData():
-                    continue
-                num_objects += 1
+                # Only count sliceable objects
+                if node.callDecoration("isSliceable"):
+                    num_objects += 1
             if num_objects != self._last_num_objects:
                 self._last_num_objects = num_objects
                 root_scene_nodes_changed = True
             else:
                 return
 
-        self.determineAutoSlicing()
-
         if not source.callDecoration("isGroup") and not root_scene_nodes_changed:
             if source.getMeshData() is None:
                 return
             if source.getMeshData().getVertices() is None:
                 return
 
+        if self._tool_active:
+            # do it later, each source only has to be done once
+            if source not in self._postponed_scene_change_sources:
+                self._postponed_scene_change_sources.append(source)
+            return
+
         self.needsSlicing()
         self.stopSlicing()
         self._onChanged()
@@ -517,6 +514,7 @@ class CuraEngineBackend(QObject, Backend):
     #   \param tool The tool that the user was using.
     def _onToolOperationStopped(self, tool):
         self._tool_active = False  # React on scene change again
+        self.determineAutoSlicing()  # Switch timer on if appropriate
         # Process all the postponed scene changes
         while self._postponed_scene_change_sources:
             source = self._postponed_scene_change_sources.pop(0)
diff --git a/plugins/SliceInfoPlugin/SliceInfo.py b/plugins/SliceInfoPlugin/SliceInfo.py
old mode 100644
new mode 100755
index 05f7c0e6f5..50ca1dbd06
--- a/plugins/SliceInfoPlugin/SliceInfo.py
+++ b/plugins/SliceInfoPlugin/SliceInfo.py
@@ -90,9 +90,8 @@ class SliceInfo(Extension):
             # Listing all files placed on the buildplate
             modelhashes = []
             for node in DepthFirstIterator(CuraApplication.getInstance().getController().getScene().getRoot()):
-                if type(node) is not SceneNode or not node.getMeshData():
-                    continue
-                modelhashes.append(node.getMeshData().getHash())
+                if node.callDecoration("isSliceable"):
+                    modelhashes.append(node.getMeshData().getHash())
 
             # Creating md5sums and formatting them as discussed on JIRA
             modelhash_formatted = ",".join(modelhashes)
diff --git a/resources/qml/Actions.qml b/resources/qml/Actions.qml
index 8d74f1b67c..1a345deafa 100644
--- a/resources/qml/Actions.qml
+++ b/resources/qml/Actions.qml
@@ -262,6 +262,7 @@ Item
         id: reloadAllAction;
         text: catalog.i18nc("@action:inmenu menubar:file","Re&load All Models");
         iconName: "document-revert";
+        shortcut: "F5"
         onTriggered: Printer.reloadAll();
     }