diff --git a/src/netbox_initializers/__init__.py b/src/netbox_initializers/__init__.py
index 2099aa0..ea89f52 100644
--- a/src/netbox_initializers/__init__.py
+++ b/src/netbox_initializers/__init__.py
@@ -8,7 +8,7 @@ class NetBoxInitializersConfig(PluginConfig):
     version = "4.0.0"
     base_url = "initializers"
     min_version = "4.0-beta1"
-    max_version = "4.0.99"
+    max_version = "4.1.99"
 
 
 config = NetBoxInitializersConfig
diff --git a/src/netbox_initializers/initializers/__init__.py b/src/netbox_initializers/initializers/__init__.py
index b7a2499..7db07dd 100644
--- a/src/netbox_initializers/initializers/__init__.py
+++ b/src/netbox_initializers/initializers/__init__.py
@@ -43,6 +43,7 @@
     "vrfs",
     "aggregates",
     "virtual_machines",
+    "virtualization_disks",
     "virtualization_interfaces",
     "prefixes",
     "ip_addresses",
@@ -112,13 +113,23 @@ def set_custom_fields_values(self, entity, custom_field_data):
                         "Please check the 'on_objects' for that custom field in custom_fields.yml"
                     )
                 elif key not in entity.custom_field_data:
+                    # If the type is a object, we need to get its related type
+                    if cf.type == "object":
+                        model = cf.related_object_type.model_class()
+                        value = model.objects.get(**value).id
+
+                    if cf.type == "multiobject":
+                        yaml_value = value
+                        model = cf.related_object_type.model_class()
+                        value = [model.objects.get(**x).id for x in yaml_value]
+
                     entity.custom_field_data[key] = value
                     save = True
 
         if missing_cfs:
             raise Exception(
                 f"⚠️ Custom field(s) '{missing_cfs}' requested for {entity} but not found in Netbox!"
-                "Please chceck the custom_fields.yml"
+                "Please check the custom_fields.yml"
             )
 
         if save:
@@ -213,6 +224,7 @@ def register_initializer(name: str, initializer):
 from .tenants import TenantInitializer
 from .users import UserInitializer
 from .virtual_machines import VirtualMachineInitializer
+from .virtualization_disks import VMDiskInitializer
 from .virtualization_interfaces import VMInterfaceInitializer
 from .vlan_groups import VLANGroupInitializer
 from .vlans import VLANInitializer
diff --git a/src/netbox_initializers/initializers/cables.py b/src/netbox_initializers/initializers/cables.py
index ef4f32e..645adc1 100644
--- a/src/netbox_initializers/initializers/cables.py
+++ b/src/netbox_initializers/initializers/cables.py
@@ -231,23 +231,8 @@ def load_data(self):
 
             check_terminations_are_free(term_a, term_b)
 
-            cable = Cable.objects.create(**params)
-
-            params_a_term = {
-                "termination_id": term_a.id,
-                "termination_type": term_a_ct,
-                "cable": cable,
-                "cable_end": "A",
-            }
-            CableTermination.objects.create(**params_a_term)
-
-            params_b_term = {
-                "termination_id": term_b.id,
-                "termination_type": term_b_ct,
-                "cable": cable,
-                "cable_end": "B",
-            }
-            CableTermination.objects.create(**params_b_term)
+            cable = Cable(a_terminations=[term_a], b_terminations=[term_b], **params)
+            cable.save()
 
             print(f"🧷 Created cable {cable} {cable_name}")
             self.set_tags(cable, tags)
diff --git a/src/netbox_initializers/initializers/custom_fields.py b/src/netbox_initializers/initializers/custom_fields.py
index 7fa8307..9204ec2 100644
--- a/src/netbox_initializers/initializers/custom_fields.py
+++ b/src/netbox_initializers/initializers/custom_fields.py
@@ -25,6 +25,9 @@ def load_data(self):
             custom_field, created = CustomField.objects.get_or_create(name=cf_name)
 
             if created:
+                for object_type in cf_details.get("on_objects", []):
+                    custom_field.object_types.add(get_class_for_class_path(object_type))
+
                 if cf_details.get("default", False):
                     custom_field.default = cf_details["default"]
 
@@ -34,9 +37,6 @@ def load_data(self):
                 if cf_details.get("label", False):
                     custom_field.label = cf_details["label"]
 
-                for object_type in cf_details.get("on_objects", []):
-                    custom_field.object_types.add(get_class_for_class_path(object_type))
-
                 if cf_details.get("required", False):
                     custom_field.required = cf_details["required"]
 
@@ -52,8 +52,8 @@ def load_data(self):
                 if cf_details.get("group_name", False):
                     custom_field.group_name = cf_details["group_name"]
 
-                if cf_details.get("ui_visibility", False):
-                    custom_field.ui_visibility = cf_details["ui_visibility"]
+                if cf_details.get("ui_visible", False):
+                    custom_field.ui_visible = cf_details["ui_visible"]
 
                 if cf_details.get("search_weight", -1) >= 0:
                     custom_field.search_weight = cf_details["search_weight"]
diff --git a/src/netbox_initializers/initializers/custom_links.py b/src/netbox_initializers/initializers/custom_links.py
index 7b149f1..3efe0f3 100644
--- a/src/netbox_initializers/initializers/custom_links.py
+++ b/src/netbox_initializers/initializers/custom_links.py
@@ -8,7 +8,7 @@ def get_content_type(content_type):
     try:
         return ObjectType.objects.get(model=content_type)
     except ObjectType.DoesNotExist:
-        pass
+        print(f"⚠️ The content_type '{content_type}' is unknown")
     return None
 
 
@@ -20,13 +20,11 @@ def load_data(self):
         if custom_links is None:
             return
         for link in custom_links:
-            content_type_name = link.pop("content_type")
-            content_type = get_content_type(content_type_name)
-            if content_type is None:
+            content_types = [get_content_type(x) for x in link.pop("content_type")]
+
+            if None in content_types:
                 print(
-                    "⚠️ Unable to create Custom Link '{0}': The content_type '{1}' is unknown".format(
-                        link.get("name"), content_type
-                    )
+                    f"⚠️ Unable to create Custom Link '{ link.get('name') }' due to unknown content_type"
                 )
                 continue
 
@@ -36,9 +34,9 @@ def load_data(self):
             )
 
             if created:
-                custom_link.object_types.add(content_type)
+                custom_link.object_types.set(content_types)
                 custom_link.save()
-                print("🔗 Created Custom Link '{0}'".format(custom_link.name))
+                print(f"🔗 Created Custom Link '{custom_link.name}'")
 
 
 register_initializer("custom_links", CustomLinkInitializer)
diff --git a/src/netbox_initializers/initializers/device_types.py b/src/netbox_initializers/initializers/device_types.py
index 7ea87d5..f41cf02 100644
--- a/src/netbox_initializers/initializers/device_types.py
+++ b/src/netbox_initializers/initializers/device_types.py
@@ -1,6 +1,6 @@
 from typing import List
 
-from dcim.models import DeviceType, Manufacturer, Region
+from dcim.models import DeviceType, Manufacturer, Platform, Region
 from dcim.models.device_component_templates import (
     ConsolePortTemplate,
     ConsoleServerPortTemplate,
@@ -18,7 +18,11 @@
 
 MATCH_PARAMS = ["manufacturer", "model", "slug"]
 REQUIRED_ASSOCS = {"manufacturer": (Manufacturer, "name")}
-OPTIONAL_ASSOCS = {"region": (Region, "name"), "tenant": (Tenant, "name")}
+OPTIONAL_ASSOCS = {
+    "region": (Region, "name"),
+    "tenant": (Tenant, "name"),
+    "default_platform": (Platform, "name")
+}
 NESTED_ASSOCS = {"rear_port": (RearPortTemplate, "name"), "power_port": (PowerPortTemplate, "name")}
 SUPPORTED_COMPONENTS = {
     "interfaces": (InterfaceTemplate, ["name"]),
diff --git a/src/netbox_initializers/initializers/devices.py b/src/netbox_initializers/initializers/devices.py
index c73a925..25733d6 100644
--- a/src/netbox_initializers/initializers/devices.py
+++ b/src/netbox_initializers/initializers/devices.py
@@ -1,6 +1,8 @@
 from dcim.models import Device, DeviceRole, DeviceType, Location, Platform, Rack, Site
+from django.apps import apps
 from extras.models import ConfigTemplate
 from tenancy.models import Tenant
+from utilities.fields import CounterCacheField
 from virtualization.models import Cluster
 
 from . import BaseInitializer, register_initializer
@@ -24,6 +26,19 @@
 class DeviceInitializer(BaseInitializer):
     data_file_name = "devices.yml"
 
+    def recalculate_counters(self, device: Device):
+        counter_fields = [
+            field for field in device._meta.get_fields() if type(field) is CounterCacheField
+        ]
+
+        updated_values = {}
+        for field in counter_fields:
+            model = apps.get_model(field.to_model_name)
+            count = model.objects.filter(**{field.to_field_name: device}).count()
+            updated_values[field.name] = count
+
+        Device.objects.filter(pk=device.pk).update(**updated_values)
+
     def load_data(self):
         devices = self.load_yaml()
         if devices is None:
@@ -35,8 +50,10 @@ def load_data(self):
             # primary ips are handled later in `380_primary_ips.py`
             params.pop("primary_ip4", None)
             params.pop("primary_ip6", None)
+            params.pop("oob_ip", None)
             params.pop("primary_ip4_vrf", None)
             params.pop("primary_ip6_vrf", None)
+            params.pop("oob_ip_vrf", None)
 
             for assoc, details in REQUIRED_ASSOCS.items():
                 model, field = details
@@ -60,5 +77,8 @@ def load_data(self):
             self.set_custom_fields_values(device, custom_field_data)
             self.set_tags(device, tags)
 
+            # If we set any tags or custom fields, we need to recalculate all `CounterCacheField`
+            self.recalculate_counters(device)
+
 
 register_initializer("devices", DeviceInitializer)
diff --git a/src/netbox_initializers/initializers/locations.py b/src/netbox_initializers/initializers/locations.py
index 30ffce6..20cbd1b 100644
--- a/src/netbox_initializers/initializers/locations.py
+++ b/src/netbox_initializers/initializers/locations.py
@@ -1,8 +1,9 @@
 from dcim.models import Location, Site
+from tenancy.models import Tenant
 
 from . import BaseInitializer, register_initializer
 
-OPTIONAL_ASSOCS = {"site": (Site, "name"), "parent": (Location, "name")}
+OPTIONAL_ASSOCS = {"site": (Site, "name"), "parent": (Location, "name"), "tenant": (Tenant, "name")}
 
 
 class LocationInitializer(BaseInitializer):
diff --git a/src/netbox_initializers/initializers/primary_ips.py b/src/netbox_initializers/initializers/primary_ips.py
index 8f576bc..754a2e3 100644
--- a/src/netbox_initializers/initializers/primary_ips.py
+++ b/src/netbox_initializers/initializers/primary_ips.py
@@ -7,6 +7,7 @@
 OPTIONAL_ASSOCS = {
     "primary_ip4": (IPAddress, "address"),
     "primary_ip6": (IPAddress, "address"),
+    "oob_ip": (IPAddress, "address"),
 }
 
 
@@ -26,7 +27,7 @@ def get_vrf_id(vrf_name):
 
 def link_primary_ip(assets, asset_model):
     for params in assets:
-        primary_ip_fields = set(params) & {"primary_ip4", "primary_ip6"}
+        primary_ip_fields = set(params) & {"primary_ip4", "primary_ip6", "oob_ip"}
         if not primary_ip_fields:
             continue
 
diff --git a/src/netbox_initializers/initializers/sites.py b/src/netbox_initializers/initializers/sites.py
index 0aac182..01e236c 100644
--- a/src/netbox_initializers/initializers/sites.py
+++ b/src/netbox_initializers/initializers/sites.py
@@ -56,7 +56,10 @@ def load_data(self):
             self.set_custom_fields_values(site, custom_field_data)
             self.set_tags(site, tags)
 
+            site_asns = site.asns.all()
             for asn in asnFounds:
+                if asn in site_asns:
+                    continue
                 site.asns.add(asn)
                 print(" 👤 Assigned asn %s to site %s" % (asn, site.name))
 
diff --git a/src/netbox_initializers/initializers/virtualization_disks.py b/src/netbox_initializers/initializers/virtualization_disks.py
new file mode 100644
index 0000000..488fcb6
--- /dev/null
+++ b/src/netbox_initializers/initializers/virtualization_disks.py
@@ -0,0 +1,36 @@
+from virtualization.models import VirtualDisk, VirtualMachine
+
+from . import BaseInitializer, register_initializer
+
+MATCH_PARAMS = ["name", "virtual_machine"]
+REQUIRED_ASSOCS = {"virtual_machine": (VirtualMachine, "name")}
+
+
+class VMDiskInitializer(BaseInitializer):
+    data_file_name = "virtualization_disks.yml"
+
+    def load_data(self):
+        disks = self.load_yaml()
+        if disks is None:
+            return
+        for params in disks:
+            custom_field_data = self.pop_custom_fields(params)
+            tags = params.pop("tags", None)
+
+            for assoc, details in REQUIRED_ASSOCS.items():
+                model, field = details
+                query = {field: params.pop(assoc)}
+
+                params[assoc] = model.objects.get(**query)
+
+            matching_params, defaults = self.split_params(params, MATCH_PARAMS)
+            disk, created = VirtualDisk.objects.get_or_create(**matching_params, defaults=defaults)
+
+            if created:
+                print("💽 Created Disk", disk.name, disk.virtual_machine.name)
+
+            self.set_custom_fields_values(disk, custom_field_data)
+            self.set_tags(disk, tags)
+
+
+register_initializer("virtualization_disks", VMDiskInitializer)
diff --git a/src/netbox_initializers/initializers/yaml/custom_fields.yml b/src/netbox_initializers/initializers/yaml/custom_fields.yml
index e2b471d..5111cab 100644
--- a/src/netbox_initializers/initializers/yaml/custom_fields.yml
+++ b/src/netbox_initializers/initializers/yaml/custom_fields.yml
@@ -13,9 +13,9 @@
 ##   - disabled
 ##   - loose
 ##   - exact
-##   ui_visibility:
-##   - read-write
-##   - read-only
+##   ui_visible:
+##   - aways
+##   - if-set
 ##   - hidden
 ##
 ## Examples:
@@ -27,7 +27,7 @@
 #   required: false
 #   weight: 0
 #   group_name: group1
-#   ui_visibility: read-only
+#   ui_visible: if-set
 #   search_weight: 100
 #   on_objects:
 #   - dcim.models.Device
diff --git a/src/netbox_initializers/initializers/yaml/custom_links.yml b/src/netbox_initializers/initializers/yaml/custom_links.yml
index eb733ca..c738032 100644
--- a/src/netbox_initializers/initializers/yaml/custom_links.yml
+++ b/src/netbox_initializers/initializers/yaml/custom_links.yml
@@ -14,8 +14,11 @@
 #   link_url: 'https://github.com/netbox-community/netbox-docker'
 #   new_window: False
 #   content_type: device
+
 # - name: link_to_localhost
 #   link_text: 'Link to localhost'
 #   link_url: 'http://localhost'
 #   new_window: True
-#   content_type: device
+#   content_type:
+#   - device
+#   - site
diff --git a/src/netbox_initializers/initializers/yaml/devices.yml b/src/netbox_initializers/initializers/yaml/devices.yml
index 4e7155d..59deeda 100644
--- a/src/netbox_initializers/initializers/yaml/devices.yml
+++ b/src/netbox_initializers/initializers/yaml/devices.yml
@@ -33,6 +33,8 @@
 #   primary_ip4_vrf: vrf1
 #   primary_ip6: 2001:db8:a000:1::2/64
 #   primary_ip6_vrf: vrf1
+#   oob_ip: 192.168.100.2/24
+#   oob_ip_vrf: vrf2
 #   custom_field_data:
 #     text_field: Description
 # - name: server03
diff --git a/src/netbox_initializers/initializers/yaml/virtualization_disks.yml b/src/netbox_initializers/initializers/yaml/virtualization_disks.yml
new file mode 100644
index 0000000..f48b454
--- /dev/null
+++ b/src/netbox_initializers/initializers/yaml/virtualization_disks.yml
@@ -0,0 +1,9 @@
+# - name: Virtual Disk 1
+#   description: Virtual Disk 1
+#   size: 256
+#   virtual_machine: virtual machine 1
+
+# - name: Virtual Disk 2
+#   description: Virtual Disk 2
+#   size: 1024
+#   virtual_machine: virtual machine 1