diff --git a/cura/LayerPolygon.py b/cura/LayerPolygon.py
index c5eb4b699e..d3da01e590 100644
--- a/cura/LayerPolygon.py
+++ b/cura/LayerPolygon.py
@@ -16,7 +16,7 @@ class LayerPolygon:
     MoveRetractionType = 9
     SupportInterfaceType = 10
     
-    __jump_map = numpy.logical_or( numpy.arange(11) == NoneType, numpy.arange(11) >= MoveRetractionType )
+    __jump_map = numpy.logical_or(numpy.logical_or(numpy.arange(11) == NoneType, numpy.arange(11) == MoveCombingType), numpy.arange(11) == MoveRetractionType)
     
     def __init__(self, mesh, extruder, line_types, data, line_widths):
         self._mesh = mesh
@@ -42,7 +42,7 @@ class LayerPolygon:
         
         # When type is used as index returns true if type == LayerPolygon.InfillType or type == LayerPolygon.SkinType or type == LayerPolygon.SupportInfillType
         # Should be generated in better way, not hardcoded.
-        self._isInfillOrSkinTypeMap = numpy.array([0, 0, 0, 1, 0, 0, 1, 1, 0, 0], dtype=numpy.bool)
+        self._isInfillOrSkinTypeMap = numpy.array([0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1], dtype=numpy.bool)
         
         self._build_cache_line_mesh_mask = None
         self._build_cache_needed_points = None
diff --git a/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py b/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py
index 37f4422a11..90adac73b1 100644
--- a/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py
+++ b/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py
@@ -49,7 +49,7 @@ class RemovableDrivePlugin(OutputDevicePlugin):
             message = Message(catalog.i18nc("@info:status", "Ejected {0}. You can now safely remove the drive.").format(device.getName()))
             message.show()
         else:
-            message = Message(catalog.i18nc("@info:status", "Failed to eject {0}. Maybe it is still in use?").format(device.getName()))
+            message = Message(catalog.i18nc("@info:status", "Failed to eject {0}. Another program may be using the drive.").format(device.getName()))
             message.show()
         return result
 
diff --git a/plugins/USBPrinting/USBPrinterOutputDevice.py b/plugins/USBPrinting/USBPrinterOutputDevice.py
index 920a71d40f..4838fe9b96 100644
--- a/plugins/USBPrinting/USBPrinterOutputDevice.py
+++ b/plugins/USBPrinting/USBPrinterOutputDevice.py
@@ -140,7 +140,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
     #   \param gcode_list List with gcode (strings).
     def printGCode(self, gcode_list):
         if self._progress or self._connection_state != ConnectionState.connected:
-            self._error_message = Message(catalog.i18nc("@info:status", "Printer is busy or not connected. Unable to start a new job."))
+            self._error_message = Message(catalog.i18nc("@info:status", "Unable to start a new job because the printer is busy or not connected."))
             self._error_message.show()
             Logger.log("d", "Printer is busy or not connected, aborting print")
             self.writeError.emit(self)
diff --git a/plugins/USBPrinting/USBPrinterOutputDeviceManager.py b/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
index 248649f431..603696f1c6 100644
--- a/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
+++ b/plugins/USBPrinting/USBPrinterOutputDeviceManager.py
@@ -107,7 +107,7 @@ class USBPrinterOutputDeviceManager(QObject, OutputDevicePlugin, Extension):
     def updateAllFirmware(self, file_name):
         file_name = file_name.replace("file://", "")  # File dialogs prepend the path with file://, which we don't need / want
         if not self._usb_output_devices:
-            Message(i18n_catalog.i18nc("@info", "Cannot update firmware, there were no connected printers found.")).show()
+            Message(i18n_catalog.i18nc("@info", "Unable to update firmware because there are no printers connected.")).show()
             return
 
         for printer_connection in self._usb_output_devices:
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index dc5a07ac46..e76d277b0c 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -403,7 +403,7 @@
                     "description": "The maximum speed of the filament.",
                     "unit": "mm/s",
                     "type": "float",
-                    "default_value": 25,
+                    "default_value": 299792458000,
                     "settable_per_mesh": false,
                     "settable_per_extruder": false,
                     "settable_per_meshgroup": false
@@ -1161,7 +1161,7 @@
                     "default_value": 25,
                     "minimum_value": "0",
                     "maximum_value": "machine_max_feedrate_e",
-                    "maximum_value_warning": "100",
+                    "maximum_value_warning": "25",
                     "enabled": "retraction_enable",
                     "settable_per_mesh": false,
                     "settable_per_extruder": true,
@@ -1174,7 +1174,7 @@
                             "default_value": 25,
                             "minimum_value": "0",
                             "maximum_value": "machine_max_feedrate_e",
-                            "maximum_value_warning": "100",
+                            "maximum_value_warning": "25",
                             "enabled": "retraction_enable",
                             "value": "retraction_speed",
                             "settable_per_mesh": false,
@@ -1188,7 +1188,7 @@
                             "default_value": 25,
                             "minimum_value": "0",
                             "maximum_value": "machine_max_feedrate_e",
-                            "maximum_value_warning": "100",
+                            "maximum_value_warning": "25",
                             "enabled": "retraction_enable",
                             "value": "retraction_speed",
                             "settable_per_mesh": false,
diff --git a/resources/definitions/ultimaker.def.json b/resources/definitions/ultimaker.def.json
index dc52b00dcc..0a3729c766 100644
--- a/resources/definitions/ultimaker.def.json
+++ b/resources/definitions/ultimaker.def.json
@@ -9,6 +9,9 @@
         "visible": false
     },
     "overrides": {
+        "machine_max_feedrate_e": {
+            "default_value": 45
+        },
         "material_print_temperature": {
             "minimum_value": "0"
         },