diff --git a/cura/CameraImageProvider.py b/cura/CameraImageProvider.py
index 6a07f6b029..edb0f205c7 100644
--- a/cura/CameraImageProvider.py
+++ b/cura/CameraImageProvider.py
@@ -1,15 +1,26 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
 from PyQt5.QtGui import QImage
 from PyQt5.QtQuick import QQuickImageProvider
 from PyQt5.QtCore import QSize
 
 from UM.Application import Application
 
-
+##  Creates screenshots of the current scene.
 class CameraImageProvider(QQuickImageProvider):
     def __init__(self):
         super().__init__(QQuickImageProvider.Image)
 
     ##  Request a new image.
+    #
+    #   The image will be taken using the current camera position.
+    #   Only the actual objects in the scene will get rendered. Not the build
+    #   plate and such!
+    #   \param id The ID for the image to create. This is the requested image
+    #   source, with the "image:" scheme and provider identifier removed. It's
+    #   a Qt thing, they'll provide this parameter.
+    #   \param size The dimensions of the image to scale to.
     def requestImage(self, id, size):
         for output_device in Application.getInstance().getOutputDeviceManager().getOutputDevices():
             try:
diff --git a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
index d9c5707a03..f7c7f5d233 100644
--- a/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
+++ b/cura/PrinterOutput/NetworkedPrinterOutputDevice.py
@@ -130,9 +130,7 @@ class NetworkedPrinterOutputDevice(PrinterOutputDevice):
             # We need to check if the manager needs to be re-created. If we don't, we get some issues when OSX goes to
             # sleep.
             if time_since_last_response > self._recreate_network_manager_time:
-                if self._last_manager_create_time is None:
-                    self._createNetworkManager()
-                elif time() - self._last_manager_create_time > self._recreate_network_manager_time:
+                if self._last_manager_create_time is None or time() - self._last_manager_create_time > self._recreate_network_manager_time:
                     self._createNetworkManager()
                 assert(self._manager is not None)
         elif self._connection_state == ConnectionState.closed:
diff --git a/cura/PrinterOutput/PrinterOutputModel.py b/cura/PrinterOutput/PrinterOutputModel.py
index abfee41e80..5870414c26 100644
--- a/cura/PrinterOutput/PrinterOutputModel.py
+++ b/cura/PrinterOutput/PrinterOutputModel.py
@@ -175,7 +175,7 @@ class PrinterOutputModel(QObject):
     def getController(self) -> "PrinterOutputController":
         return self._controller
 
-    @pyqtProperty(str, notify=nameChanged)
+    @pyqtProperty(str, notify = nameChanged)
     def name(self) -> str:
         return self._name
 
diff --git a/plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py b/plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py
index f01e8cb276..415931b7ec 100644
--- a/plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py
+++ b/plugins/FirmwareUpdateChecker/FirmwareUpdateChecker.py
@@ -1,9 +1,12 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+import os
 from PyQt5.QtCore import QUrl
 from PyQt5.QtGui import QDesktopServices
 
+from typing import Set
+
 from UM.Extension import Extension
 from UM.Application import Application
 from UM.Logger import Logger
@@ -13,6 +16,7 @@ from UM.Settings.ContainerRegistry import ContainerRegistry
 from cura.Settings.GlobalStack import GlobalStack
 
 from .FirmwareUpdateCheckerJob import FirmwareUpdateCheckerJob
+from .FirmwareUpdateCheckerMessage import FirmwareUpdateCheckerMessage
 
 i18n_catalog = i18nCatalog("cura")
 
@@ -21,32 +25,31 @@ i18n_catalog = i18nCatalog("cura")
 #  The plugin is currently only usable for applications maintained by Ultimaker. But it should be relatively easy
 #  to change it to work for other applications.
 class FirmwareUpdateChecker(Extension):
-    JEDI_VERSION_URL = "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources"
 
-    def __init__(self):
+    def __init__(self) -> None:
         super().__init__()
 
-        # Initialize the Preference called `latest_checked_firmware` that stores the last version
-        # checked for the UM3. In the future if we need to check other printers' firmware
-        Application.getInstance().getPreferences().addPreference("info/latest_checked_firmware", "")
-
         # Listen to a Signal that indicates a change in the list of printers, just if the user has enabled the
-        # 'check for updates' option
+        # "check for updates" option
         Application.getInstance().getPreferences().addPreference("info/automatic_update_check", True)
         if Application.getInstance().getPreferences().getValue("info/automatic_update_check"):
             ContainerRegistry.getInstance().containerAdded.connect(self._onContainerAdded)
 
-        self._download_url = None
         self._check_job = None
+        self._checked_printer_names = set()  # type: Set[str]
 
     ##  Callback for the message that is spawned when there is a new version.
     def _onActionTriggered(self, message, action):
-        if action == "download":
-            if self._download_url is not None:
-                QDesktopServices.openUrl(QUrl(self._download_url))
-
-    def _onSetDownloadUrl(self, download_url):
-        self._download_url = download_url
+        if action == FirmwareUpdateCheckerMessage.STR_ACTION_DOWNLOAD:
+            machine_id = message.getMachineId()
+            download_url = message.getDownloadUrl()
+            if download_url is not None:
+                if QDesktopServices.openUrl(QUrl(download_url)):
+                    Logger.log("i", "Redirected browser to {0} to show newly available firmware.".format(download_url))
+                else:
+                    Logger.log("e", "Can't reach URL: {0}".format(download_url))
+            else:
+                Logger.log("e", "Can't find URL for {0}".format(machine_id))
 
     def _onContainerAdded(self, container):
         # Only take care when a new GlobalStack was added
@@ -63,13 +66,18 @@ class FirmwareUpdateChecker(Extension):
     #   \param silent type(boolean) Suppresses messages other than "new version found" messages.
     #                               This is used when checking for a new firmware version at startup.
     def checkFirmwareVersion(self, container = None, silent = False):
-        # Do not run multiple check jobs in parallel
-        if self._check_job is not None:
-            Logger.log("i", "A firmware update check is already running, do nothing.")
+        container_name = container.definition.getName()
+        if container_name in self._checked_printer_names:
+            return
+        self._checked_printer_names.add(container_name)
+
+        metadata = container.definition.getMetaData().get("firmware_update_info")
+        if metadata is None:
+            Logger.log("i", "No machine with name {0} in list of firmware to check.".format(container_name))
             return
 
-        self._check_job = FirmwareUpdateCheckerJob(container = container, silent = silent, url = self.JEDI_VERSION_URL,
-                                                   callback = self._onActionTriggered,
-                                                   set_download_url_callback = self._onSetDownloadUrl)
+        self._check_job = FirmwareUpdateCheckerJob(container = container, silent = silent,
+                                                   machine_name = container_name, metadata = metadata,
+                                                   callback = self._onActionTriggered)
         self._check_job.start()
         self._check_job.finished.connect(self._onJobFinished)
diff --git a/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py
index eadacf2c02..4c60b95824 100644
--- a/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py
+++ b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerJob.py
@@ -1,13 +1,18 @@
-# Copyright (c) 2017 Ultimaker B.V.
+# Copyright (c) 2018 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
 from UM.Application import Application
 from UM.Message import Message
 from UM.Logger import Logger
 from UM.Job import Job
+from UM.Version import Version
 
 import urllib.request
-import codecs
+from urllib.error import URLError
+from typing import Dict, Optional
+
+from .FirmwareUpdateCheckerLookup import FirmwareUpdateCheckerLookup, getSettingsKeyForMachine
+from .FirmwareUpdateCheckerMessage import FirmwareUpdateCheckerMessage
 
 from UM.i18n import i18nCatalog
 i18n_catalog = i18nCatalog("cura")
@@ -15,46 +20,86 @@ i18n_catalog = i18nCatalog("cura")
 
 ##  This job checks if there is an update available on the provided URL.
 class FirmwareUpdateCheckerJob(Job):
-    def __init__(self, container = None, silent = False, url = None, callback = None, set_download_url_callback = None):
+    STRING_ZERO_VERSION = "0.0.0"
+    STRING_EPSILON_VERSION = "0.0.1"
+    ZERO_VERSION = Version(STRING_ZERO_VERSION)
+    EPSILON_VERSION = Version(STRING_EPSILON_VERSION)
+
+    def __init__(self, container, silent, machine_name, metadata, callback) -> None:
         super().__init__()
         self._container = container
         self.silent = silent
-        self._url = url
         self._callback = callback
-        self._set_download_url_callback = set_download_url_callback
 
-    def run(self):
-        if not self._url:
-            Logger.log("e", "Can not check for a new release. URL not set!")
-            return
+        self._machine_name = machine_name
+        self._metadata = metadata
+        self._lookups = None  # type:Optional[FirmwareUpdateCheckerLookup]
+        self._headers = {}  # type:Dict[str, str]  # Don't set headers yet.
+
+    def getUrlResponse(self, url: str) -> str:
+        result = self.STRING_ZERO_VERSION
 
         try:
+            request = urllib.request.Request(url, headers = self._headers)
+            response = urllib.request.urlopen(request)
+            result = response.read().decode("utf-8")
+        except URLError:
+            Logger.log("w", "Could not reach '{0}', if this URL is old, consider removal.".format(url))
+
+        return result
+
+    def parseVersionResponse(self, response: str) -> Version:
+        raw_str = response.split("\n", 1)[0].rstrip()
+        return Version(raw_str)
+
+    def getCurrentVersion(self) -> Version:
+        max_version = self.ZERO_VERSION
+        if self._lookups is None:
+            return max_version
+
+        machine_urls = self._lookups.getCheckUrls()
+        if machine_urls is not None:
+            for url in machine_urls:
+                version = self.parseVersionResponse(self.getUrlResponse(url))
+                if version > max_version:
+                    max_version = version
+
+        if max_version < self.EPSILON_VERSION:
+            Logger.log("w", "MachineID {0} not handled!".format(self._lookups.getMachineName()))
+
+        return max_version
+
+    def run(self):
+        if self._lookups is None:
+            self._lookups = FirmwareUpdateCheckerLookup(self._machine_name, self._metadata)
+
+        try:
+            # Initialize a Preference that stores the last version checked for this printer.
+            Application.getInstance().getPreferences().addPreference(
+                getSettingsKeyForMachine(self._lookups.getMachineId()), "")
+
+            # Get headers
             application_name = Application.getInstance().getApplicationName()
-            headers = {"User-Agent": "%s - %s" % (application_name, Application.getInstance().getVersion())}
-            request = urllib.request.Request(self._url, headers = headers)
-            current_version_file = urllib.request.urlopen(request)
-            reader = codecs.getreader("utf-8")
+            application_version = Application.getInstance().getVersion()
+            self._headers = {"User-Agent": "%s - %s" % (application_name, application_version)}
 
             # get machine name from the definition container
             machine_name = self._container.definition.getName()
-            machine_name_parts = machine_name.lower().split(" ")
 
             # If it is not None, then we compare between the checked_version and the current_version
-            # Now we just do that if the active printer is Ultimaker 3 or Ultimaker 3 Extended or any
-            # other Ultimaker 3 that will come in the future
-            if len(machine_name_parts) >= 2 and machine_name_parts[:2] == ["ultimaker", "3"]:
-                Logger.log("i", "You have a UM3 in printer list. Let's check the firmware!")
+            machine_id = self._lookups.getMachineId()
+            if machine_id is not None:
+                Logger.log("i", "You have a(n) {0} in the printer list. Let's check the firmware!".format(machine_name))
 
-                # Nothing to parse, just get the string
-                # TODO: In the future may be done by parsing a JSON file with diferent version for each printer model
-                current_version = reader(current_version_file).readline().rstrip()
+                current_version = self.getCurrentVersion()
 
-                # If it is the first time the version is checked, the checked_version is ''
-                checked_version = Application.getInstance().getPreferences().getValue("info/latest_checked_firmware")
+                # If it is the first time the version is checked, the checked_version is ""
+                setting_key_str = getSettingsKeyForMachine(machine_id)
+                checked_version = Version(Application.getInstance().getPreferences().getValue(setting_key_str))
 
-                # If the checked_version is '', it's because is the first time we check firmware and in this case
+                # If the checked_version is "", it's because is the first time we check firmware and in this case
                 # we will not show the notification, but we will store it for the next time
-                Application.getInstance().getPreferences().setValue("info/latest_checked_firmware", current_version)
+                Application.getInstance().getPreferences().setValue(setting_key_str, current_version)
                 Logger.log("i", "Reading firmware version of %s: checked = %s - latest = %s", machine_name, checked_version, current_version)
 
                 # The first time we want to store the current version, the notification will not be shown,
@@ -62,28 +107,11 @@ class FirmwareUpdateCheckerJob(Job):
                 # notify the user when no new firmware version is available.
                 if (checked_version != "") and (checked_version != current_version):
                     Logger.log("i", "SHOWING FIRMWARE UPDATE MESSAGE")
-
-                    message = Message(i18n_catalog.i18nc(
-                        "@info Don't translate {machine_name}, since it gets replaced by a printer name!",
-                        "New features are available for your {machine_name}! It is recommended to update the firmware on your printer.").format(
-                        machine_name=machine_name),
-                        title=i18n_catalog.i18nc(
-                                          "@info:title The %s gets replaced with the printer name.",
-                                          "New %s firmware available") % machine_name)
-
-                    message.addAction("download",
-                                      i18n_catalog.i18nc("@action:button", "How to update"),
-                                      "[no_icon]",
-                                      "[no_description]",
-                                      button_style=Message.ActionButtonStyle.LINK,
-                                      button_align=Message.ActionButtonStyle.BUTTON_ALIGN_LEFT)
-
-
-                    # If we do this in a cool way, the download url should be available in the JSON file
-                    if self._set_download_url_callback:
-                        self._set_download_url_callback("https://ultimaker.com/en/resources/20500-upgrade-firmware")
+                    message = FirmwareUpdateCheckerMessage(machine_id, machine_name, self._lookups.getRedirectUserUrl())
                     message.actionTriggered.connect(self._callback)
                     message.show()
+            else:
+                Logger.log("i", "No machine with name {0} in list of firmware to check.".format(machine_name))
 
         except Exception as e:
             Logger.log("w", "Failed to check for new version: %s", e)
diff --git a/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerLookup.py b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerLookup.py
new file mode 100644
index 0000000000..a21ad3f0e5
--- /dev/null
+++ b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerLookup.py
@@ -0,0 +1,35 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from typing import List, Optional
+
+from UM.i18n import i18nCatalog
+i18n_catalog = i18nCatalog("cura")
+
+
+def getSettingsKeyForMachine(machine_id: int) -> str:
+    return "info/latest_checked_firmware_for_{0}".format(machine_id)
+
+
+class FirmwareUpdateCheckerLookup:
+
+    def __init__(self, machine_name, machine_json) -> None:
+        # Parse all the needed lookup-tables from the ".json" file(s) in the resources folder.
+        self._machine_id = machine_json.get("id")
+        self._machine_name = machine_name.lower()  # Lower in-case upper-case chars are added to the original json.
+        self._check_urls = []  # type:List[str]
+        for check_url in machine_json.get("check_urls"):
+            self._check_urls.append(check_url)
+        self._redirect_user = machine_json.get("update_url")
+
+    def getMachineId(self) -> Optional[int]:
+        return self._machine_id
+
+    def getMachineName(self) -> Optional[int]:
+        return self._machine_name
+
+    def getCheckUrls(self) -> Optional[List[str]]:
+        return self._check_urls
+
+    def getRedirectUserUrl(self) -> Optional[str]:
+        return self._redirect_user
diff --git a/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerMessage.py b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerMessage.py
new file mode 100644
index 0000000000..fd56c101a0
--- /dev/null
+++ b/plugins/FirmwareUpdateChecker/FirmwareUpdateCheckerMessage.py
@@ -0,0 +1,37 @@
+# Copyright (c) 2018 Ultimaker B.V.
+# Cura is released under the terms of the LGPLv3 or higher.
+
+from UM.i18n import i18nCatalog
+from UM.Message import Message
+
+i18n_catalog = i18nCatalog("cura")
+
+
+# Make a separate class, since we need an extra field: The machine-id that this message is about.
+class FirmwareUpdateCheckerMessage(Message):
+    STR_ACTION_DOWNLOAD = "download"
+
+    def __init__(self, machine_id: int, machine_name: str, download_url: str) -> None:
+        super().__init__(i18n_catalog.i18nc(
+            "@info Don't translate {machine_name}, since it gets replaced by a printer name!",
+            "New features are available for your {machine_name}! It is recommended to update the firmware on your printer.").format(
+            machine_name = machine_name),
+            title = i18n_catalog.i18nc(
+                "@info:title The %s gets replaced with the printer name.",
+                "New %s firmware available") % machine_name)
+
+        self._machine_id = machine_id
+        self._download_url = download_url
+
+        self.addAction(self.STR_ACTION_DOWNLOAD,
+                          i18n_catalog.i18nc("@action:button", "How to update"),
+                          "[no_icon]",
+                          "[no_description]",
+                          button_style = Message.ActionButtonStyle.LINK,
+                          button_align = Message.ActionButtonStyle.BUTTON_ALIGN_LEFT)
+
+    def getMachineId(self) -> int:
+        return self._machine_id
+
+    def getDownloadUrl(self) -> str:
+        return self._download_url
diff --git a/plugins/USBPrinting/USBPrinterOutputDevice.py b/plugins/USBPrinting/USBPrinterOutputDevice.py
index 4c3e7ee131..aed22647e4 100644
--- a/plugins/USBPrinting/USBPrinterOutputDevice.py
+++ b/plugins/USBPrinting/USBPrinterOutputDevice.py
@@ -51,7 +51,7 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         self._all_baud_rates = [115200, 250000, 230400, 57600, 38400, 19200, 9600]
 
         # Instead of using a timer, we really need the update to be as a thread, as reading from serial can block.
-        self._update_thread = Thread(target=self._update, daemon=True)
+        self._update_thread = Thread(target = self._update, daemon = True)
 
         self._last_temperature_request = None  # type: Optional[int]
 
@@ -172,15 +172,19 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
             except SerialException:
                 Logger.log("w", "An exception occured while trying to create serial connection")
                 return
+        CuraApplication.getInstance().globalContainerStackChanged.connect(self._onGlobalContainerStackChanged)
+        self._onGlobalContainerStackChanged()
+        self.setConnectionState(ConnectionState.connected)
+        self._update_thread.start()
+
+    def _onGlobalContainerStackChanged(self):
         container_stack = CuraApplication.getInstance().getGlobalContainerStack()
         num_extruders = container_stack.getProperty("machine_extruder_count", "value")
         # Ensure that a printer is created.
         controller = GenericOutputController(self)
         controller.setCanUpdateFirmware(True)
-        self._printers = [PrinterOutputModel(output_controller=controller, number_of_extruders=num_extruders)]
+        self._printers = [PrinterOutputModel(output_controller = controller, number_of_extruders = num_extruders)]
         self._printers[0].updateName(container_stack.getName())
-        self.setConnectionState(ConnectionState.connected)
-        self._update_thread.start()
 
     def close(self):
         super().close()
diff --git a/resources/definitions/creality_ender3.def.json b/resources/definitions/creality_ender3.def.json
index 64e01504dd..f3010ee20b 100755
--- a/resources/definitions/creality_ender3.def.json
+++ b/resources/definitions/creality_ender3.def.json
@@ -41,6 +41,9 @@
                 [30, 34]
             ]
         },
+        "material_diameter": {
+            "default_value": 1.75
+        },
         "acceleration_enabled": {
             "default_value": true
         },
@@ -56,6 +59,9 @@
         "jerk_travel": {
             "default_value": 20
         },
+        "layer_height": {
+            "default_value": 0.10
+        },
         "layer_height_0": {
             "default_value": 0.2
         },
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 305d841175..f17dd63c0a 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1217,11 +1217,11 @@
                 "connect_skin_polygons":
                 {
                     "label": "Connect Top/Bottom Polygons",
-                    "description": "Connect top/bottom skin paths where they run next to each other. For the concentric pattern enabling this setting greatly reduces the travel time, but because the connections can happend midway over infill this feature can reduce the top surface quality.",
+                    "description": "Connect top/bottom skin paths where they run next to each other. For the concentric pattern enabling this setting greatly reduces the travel time, but because the connections can happen midway over infill this feature can reduce the top surface quality.",
                     "type": "bool",
                     "default_value": false,
                     "enabled": "(top_layers > 0 or bottom_layers > 0) and top_bottom_pattern == 'concentric'",
-                    "limit_to_extruder": "infill_extruder_nr",
+                    "limit_to_extruder": "top_bottom_extruder_nr",
                     "settable_per_mesh": true
                 },
                 "skin_angles":
diff --git a/resources/definitions/makerbotreplicator.def.json b/resources/definitions/makerbotreplicator.def.json
index 1770b7a979..3b02215e74 100644
--- a/resources/definitions/makerbotreplicator.def.json
+++ b/resources/definitions/makerbotreplicator.def.json
@@ -6,6 +6,7 @@
         "visible": true,
         "author": "Ultimaker",
         "manufacturer": "MakerBot",
+        "machine_x3g_variant": "r1",
         "file_formats": "application/x3g",
         "platform_offset": [ 0, 0, 0],
         "machine_extruder_trains":
diff --git a/resources/definitions/ultimaker3.def.json b/resources/definitions/ultimaker3.def.json
index b1daa6b780..72756de2a5 100644
--- a/resources/definitions/ultimaker3.def.json
+++ b/resources/definitions/ultimaker3.def.json
@@ -24,7 +24,16 @@
         },
         "first_start_actions": [ "DiscoverUM3Action" ],
         "supported_actions": [ "DiscoverUM3Action" ],
-        "supports_usb_connection": false
+        "supports_usb_connection": false,
+        "firmware_update_info": {
+            "id": 9066,
+            "check_urls":
+            [
+                "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources",
+                "http://software.ultimaker.com/releases/firmware/9066/stable/version.txt"
+            ],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
 
diff --git a/resources/definitions/ultimaker3_extended.def.json b/resources/definitions/ultimaker3_extended.def.json
index eb3cda9320..68f26969b7 100644
--- a/resources/definitions/ultimaker3_extended.def.json
+++ b/resources/definitions/ultimaker3_extended.def.json
@@ -23,7 +23,16 @@
             "1": "ultimaker3_extended_extruder_right"
         },
         "first_start_actions": [ "DiscoverUM3Action" ],
-        "supported_actions": [ "DiscoverUM3Action" ]
+        "supported_actions": [ "DiscoverUM3Action" ],
+        "firmware_update_info": {
+            "id": 9511,
+            "check_urls":
+            [
+                "http://software.ultimaker.com/jedi/releases/latest.version?utm_source=cura&utm_medium=software&utm_campaign=resources",
+                "http://software.ultimaker.com/releases/firmware/9511/stable/version.txt"
+            ],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
     "overrides": {
diff --git a/resources/definitions/ultimaker_s5.def.json b/resources/definitions/ultimaker_s5.def.json
index 2e634787af..310765dbc3 100644
--- a/resources/definitions/ultimaker_s5.def.json
+++ b/resources/definitions/ultimaker_s5.def.json
@@ -30,7 +30,12 @@
         "first_start_actions": [ "DiscoverUM3Action" ],
         "supported_actions": [ "DiscoverUM3Action" ],
         "supports_usb_connection": false,
-        "weight": -1
+        "weight": -1,
+        "firmware_update_info": {
+            "id": 9051,
+            "check_urls": ["http://software.ultimaker.com/releases/firmware/9051/stable/version.txt"],
+            "update_url": "https://ultimaker.com/firmware"
+        }
     },
 
     "overrides": {
diff --git a/resources/extruders/alya3dp_extruder_0.def.json b/resources/extruders/alya3dp_extruder_0.def.json
index e34db5dfbf..3676f01ad2 100644
--- a/resources/extruders/alya3dp_extruder_0.def.json
+++ b/resources/extruders/alya3dp_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/creality_cr10s4_extruder_0.def.json b/resources/extruders/creality_cr10s4_extruder_0.def.json
index 9afe1cee35..8a40c6431f 100644
--- a/resources/extruders/creality_cr10s4_extruder_0.def.json
+++ b/resources/extruders/creality_cr10s4_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/creality_cr10s5_extruder_0.def.json b/resources/extruders/creality_cr10s5_extruder_0.def.json
index fed86eb2b5..98b701ae2e 100644
--- a/resources/extruders/creality_cr10s5_extruder_0.def.json
+++ b/resources/extruders/creality_cr10s5_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/deltabot_extruder_0.def.json b/resources/extruders/deltabot_extruder_0.def.json
index 43fce74fa5..e13d6a6ee3 100644
--- a/resources/extruders/deltabot_extruder_0.def.json
+++ b/resources/extruders/deltabot_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.5 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/grr_neo_extruder_0.def.json b/resources/extruders/grr_neo_extruder_0.def.json
index 9fe86d9eed..6d76c90796 100644
--- a/resources/extruders/grr_neo_extruder_0.def.json
+++ b/resources/extruders/grr_neo_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.5 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/kupido_extruder_0.def.json b/resources/extruders/kupido_extruder_0.def.json
index d93395e667..ef988d4fde 100644
--- a/resources/extruders/kupido_extruder_0.def.json
+++ b/resources/extruders/kupido_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/makeR_pegasus_extruder_0.def.json b/resources/extruders/makeR_pegasus_extruder_0.def.json
index 8d2a98340a..e37891abde 100644
--- a/resources/extruders/makeR_pegasus_extruder_0.def.json
+++ b/resources/extruders/makeR_pegasus_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/maker_starter_extruder_0.def.json b/resources/extruders/maker_starter_extruder_0.def.json
index 5c60e536b7..ee94250248 100644
--- a/resources/extruders/maker_starter_extruder_0.def.json
+++ b/resources/extruders/maker_starter_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/monoprice_select_mini_v1_extruder_0.def.json b/resources/extruders/monoprice_select_mini_v1_extruder_0.def.json
index eef47c9b6f..e4a899d7af 100644
--- a/resources/extruders/monoprice_select_mini_v1_extruder_0.def.json
+++ b/resources/extruders/monoprice_select_mini_v1_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/monoprice_select_mini_v2_extruder_0.def.json b/resources/extruders/monoprice_select_mini_v2_extruder_0.def.json
index e0899304dd..b727cfce1f 100644
--- a/resources/extruders/monoprice_select_mini_v2_extruder_0.def.json
+++ b/resources/extruders/monoprice_select_mini_v2_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/extruders/printrbot_play_heated_extruder_0.def.json b/resources/extruders/printrbot_play_heated_extruder_0.def.json
index ba8bc5c34c..0a3eeb3d06 100644
--- a/resources/extruders/printrbot_play_heated_extruder_0.def.json
+++ b/resources/extruders/printrbot_play_heated_extruder_0.def.json
@@ -11,6 +11,6 @@
     "overrides": {
         "extruder_nr": { "default_value": 0 },
         "machine_nozzle_size": { "default_value": 0.4 },
-        "material_diameter": { "default_value": 2.85 }
+        "material_diameter": { "default_value": 1.75 }
     }
 }
diff --git a/resources/qml/PrintMonitor.qml b/resources/qml/PrintMonitor.qml
index 3bfcea7025..12e95d1e89 100644
--- a/resources/qml/PrintMonitor.qml
+++ b/resources/qml/PrintMonitor.qml
@@ -44,7 +44,7 @@ Column
             Repeater
             {
                 id: extrudersRepeater
-                model: activePrinter!=null ? activePrinter.extruders : null
+                model: activePrinter != null ? activePrinter.extruders : null
 
                 ExtruderBox
                 {
diff --git a/resources/qml/PrinterOutput/OutputDeviceHeader.qml b/resources/qml/PrinterOutput/OutputDeviceHeader.qml
index 03e6d78699..b5ed1b7b4e 100644
--- a/resources/qml/PrinterOutput/OutputDeviceHeader.qml
+++ b/resources/qml/PrinterOutput/OutputDeviceHeader.qml
@@ -14,11 +14,19 @@ Item
     implicitHeight: Math.floor(childrenRect.height + UM.Theme.getSize("default_margin").height * 2)
     property var outputDevice: null
 
+    Connections
+    {
+        target: Cura.MachineManager
+        onGlobalContainerChanged:
+        {
+            outputDevice = Cura.MachineManager.printerOutputDevices.length >= 1 ? Cura.MachineManager.printerOutputDevices[0] : null;
+        }
+    }
+
     Rectangle
     {
         height: childrenRect.height
         color: UM.Theme.getColor("setting_category")
-        property var activePrinter: outputDevice != null ? outputDevice.activePrinter : null
 
         Label
         {
@@ -28,7 +36,7 @@ Item
             anchors.left: parent.left
             anchors.top: parent.top
             anchors.margins: UM.Theme.getSize("default_margin").width
-            text: outputDevice != null ? activePrinter.name : ""
+            text: outputDevice != null ? outputDevice.activePrinter.name : ""
         }
 
         Label