fix(dcim): Render device height as rack units via floatformat

Use `TemplatedAttr` for device height and render using Django's
`floatformat` filter so 0.0 is displayed as `0U` (and whole-U values
omit the decimal).

Fixes #21267

docs/configuration/data-validation.md

@@ -8,7 +8,7 @@ This is a mapping of models to [custom validators](../customization/custom-valid
 
 ```python
 CUSTOM_VALIDATORS = {
-    "dcim.site": [
+    "dcim.Site": [
         {
             "name": {
                 "min_length": 5,
@@ -17,12 +17,15 @@ CUSTOM_VALIDATORS = {
         },
         "my_plugin.validators.Validator1"
     ],
-    "dcim.device": [
+    "dcim.Device": [
         "my_plugin.validators.Validator1"
     ]
 }
 ```
 
+!!! info "Case-Insensitive Model Names"
+    Model identifiers are case-insensitive. Both `dcim.site` and `dcim.Site` are valid and equivalent.
+
 ---
 
 ## FIELD_CHOICES
@@ -53,6 +56,9 @@ FIELD_CHOICES = {
 }
 ```
 
+!!! info "Case-Insensitive Field Identifiers"
+    Field identifiers are case-insensitive. Both `dcim.Site.status` and `dcim.site.status` are valid and equivalent.
+
 The following model fields support configurable choices:
 
 * `circuits.Circuit.status`
@@ -98,7 +104,7 @@ This is a mapping of models to [custom validators](../customization/custom-valid
 
 ```python
 PROTECTION_RULES = {
-    "dcim.site": [
+    "dcim.Site": [
         {
             "status": {
                 "eq": "decommissioning"
@@ -108,3 +114,6 @@ PROTECTION_RULES = {
     ]
 }
 ```
+
+!!! info "Case-Insensitive Model Names"
+    Model identifiers are case-insensitive. Both `dcim.site` and `dcim.Site` are valid and equivalent.

netbox/core/signals.py

@@ -18,6 +18,7 @@ from extras.events import enqueue_event
 from extras.models import Tag
 from extras.utils import run_validators
 from netbox.config import get_config
+from utilities.data import get_config_value_ci
 from netbox.context import current_request, events_queue
 from netbox.models.features import ChangeLoggingMixin, get_model_features, model_is_public
 from utilities.exceptions import AbortRequest
@@ -168,7 +169,7 @@ def handle_deleted_object(sender, instance, **kwargs):
     # to queueing any events for the object being deleted, in case a validation error is
     # raised, causing the deletion to fail.
     model_name = f'{sender._meta.app_label}.{sender._meta.model_name}'
-    validators = get_config().PROTECTION_RULES.get(model_name, [])
+    validators = get_config_value_ci(get_config().PROTECTION_RULES, model_name, default=[])
     try:
         run_validators(instance, validators)
     except ValidationError as e:

netbox/dcim/ui/panels.py

@@ -125,7 +125,7 @@ class DeviceManagementPanel(panels.ObjectAttributesPanel):
 class DeviceDimensionsPanel(panels.ObjectAttributesPanel):
     title = _('Dimensions')
 
-    height = attrs.TextAttr('device_type.u_height', format_string='{}U')
+    height = attrs.TemplatedAttr('device_type.u_height', template_name='dcim/devicetype/attrs/height.html')
     total_weight = attrs.TemplatedAttr('total_weight', template_name='dcim/device/attrs/total_weight.html')
 
 
@@ -135,7 +135,7 @@ class DeviceTypePanel(panels.ObjectAttributesPanel):
     part_number = attrs.TextAttr('part_number')
     default_platform = attrs.RelatedObjectAttr('default_platform', linkify=True)
     description = attrs.TextAttr('description')
-    height = attrs.TextAttr('u_height', format_string='{}U', label=_('Height'))
+    height = attrs.TemplatedAttr('u_height', template_name='dcim/devicetype/attrs/height.html')
     exclude_from_utilization = attrs.BooleanAttr('exclude_from_utilization')
     full_depth = attrs.BooleanAttr('is_full_depth')
     weight = attrs.NumericAttr('weight', unit_accessor='get_weight_unit_display')

netbox/extras/dashboard/widgets.py

@@ -75,10 +75,11 @@ def get_bookmarks_object_type_choices():
 def get_models_from_content_types(content_types):
     """
     Return a list of models corresponding to the given content types, identified by natural key.
+    Accepts both lowercase (e.g. "dcim.site") and PascalCase (e.g. "dcim.Site") model names.
     """
     models = []
     for content_type_id in content_types:
-        app_label, model_name = content_type_id.split('.')
+        app_label, model_name = content_type_id.lower().split('.')
         try:
             content_type = ObjectType.objects.get_by_natural_key(app_label, model_name)
             if content_type.model_class():

netbox/extras/signals.py

@@ -9,6 +9,7 @@ from extras.models import EventRule, Notification, Subscription
 from netbox.config import get_config
 from netbox.models.features import has_feature
 from netbox.signals import post_clean
+from utilities.data import get_config_value_ci
 from utilities.exceptions import AbortRequest
 from .models import CustomField, TaggedItem
 from .utils import run_validators
@@ -65,7 +66,7 @@ def run_save_validators(sender, instance, **kwargs):
     Run any custom validation rules for the model prior to calling save().
     """
     model_name = f'{sender._meta.app_label}.{sender._meta.model_name}'
-    validators = get_config().CUSTOM_VALIDATORS.get(model_name, [])
+    validators = get_config_value_ci(get_config().CUSTOM_VALIDATORS, model_name, default=[])
 
     run_validators(instance, validators)
 

netbox/netbox/ui/attrs.py

@@ -103,7 +103,7 @@ class TextAttr(ObjectAttribute):
     def get_value(self, obj):
         value = resolve_attr_path(obj, self.accessor)
         # Apply format string (if any)
-        if value and self.format_string:
+        if value is not None and value != '' and self.format_string:
             return self.format_string.format(value)
         return value
 

netbox/templates/dcim/devicetype/attrs/height.html

@@ -0,0 +1 @@
+{{ value|floatformat }}U

netbox/translations/en/LC_MESSAGES/django.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-01-29 05:16+0000\n"
+"POT-Creation-Date: 2026-01-30 05:18+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -293,8 +293,8 @@ msgstr ""
 
 #: netbox/circuits/filtersets.py:278 netbox/circuits/filtersets.py:382
 #: netbox/circuits/filtersets.py:547 netbox/core/filtersets.py:85
-#: netbox/core/filtersets.py:150 netbox/core/filtersets.py:176
-#: netbox/core/filtersets.py:216 netbox/dcim/filtersets.py:810
+#: netbox/core/filtersets.py:154 netbox/core/filtersets.py:180
+#: netbox/core/filtersets.py:220 netbox/dcim/filtersets.py:810
 #: netbox/dcim/filtersets.py:1568 netbox/dcim/filtersets.py:2692
 #: netbox/extras/filtersets.py:48 netbox/extras/filtersets.py:71
 #: netbox/extras/filtersets.py:101 netbox/extras/filtersets.py:142
@@ -763,7 +763,7 @@ msgstr ""
 #: netbox/circuits/forms/filtersets.py:132
 #: netbox/circuits/forms/filtersets.py:322
 #: netbox/circuits/forms/filtersets.py:338 netbox/core/forms/filtersets.py:75
-#: netbox/core/forms/filtersets.py:143 netbox/dcim/forms/bulk_edit.py:818
+#: netbox/core/forms/filtersets.py:147 netbox/dcim/forms/bulk_edit.py:818
 #: netbox/dcim/forms/bulk_import.py:480 netbox/dcim/forms/filtersets.py:199
 #: netbox/dcim/forms/filtersets.py:232 netbox/dcim/forms/filtersets.py:1012
 #: netbox/dcim/forms/filtersets.py:1155 netbox/dcim/forms/filtersets.py:1285
@@ -2189,7 +2189,7 @@ msgstr ""
 msgid "Data source (name)"
 msgstr ""
 
-#: netbox/core/filtersets.py:186 netbox/dcim/filtersets.py:521
+#: netbox/core/filtersets.py:190 netbox/dcim/filtersets.py:521
 #: netbox/extras/filtersets.py:302 netbox/extras/filtersets.py:355
 #: netbox/extras/filtersets.py:401 netbox/extras/filtersets.py:424
 #: netbox/extras/filtersets.py:490 netbox/users/filtersets.py:31
@@ -2197,7 +2197,7 @@ msgstr ""
 msgid "User (ID)"
 msgstr ""
 
-#: netbox/core/filtersets.py:192
+#: netbox/core/filtersets.py:196
 msgid "User name"
 msgstr ""
 
@@ -2277,7 +2277,7 @@ msgstr ""
 msgid "Creation"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:82 netbox/core/forms/filtersets.py:168
+#: netbox/core/forms/filtersets.py:82 netbox/core/forms/filtersets.py:172
 #: netbox/extras/forms/filtersets.py:577 netbox/extras/tables/tables.py:271
 #: netbox/extras/tables/tables.py:338 netbox/extras/tables/tables.py:364
 #: netbox/extras/tables/tables.py:383 netbox/extras/tables/tables.py:415
@@ -2288,39 +2288,44 @@ msgstr ""
 msgid "Object Type"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:92
+#: netbox/core/forms/filtersets.py:92 netbox/core/tables/jobs.py:46
+#: netbox/templates/core/job.html:63 netbox/templates/core/rq_task.html:61
+msgid "Queue"
+msgstr ""
+
+#: netbox/core/forms/filtersets.py:96
 msgid "Created after"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:97
+#: netbox/core/forms/filtersets.py:101
 msgid "Created before"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:102
+#: netbox/core/forms/filtersets.py:106
 msgid "Scheduled after"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:107
+#: netbox/core/forms/filtersets.py:111
 msgid "Scheduled before"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:112
+#: netbox/core/forms/filtersets.py:116
 msgid "Started after"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:117
+#: netbox/core/forms/filtersets.py:121
 msgid "Started before"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:122
+#: netbox/core/forms/filtersets.py:126
 msgid "Completed after"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:127
+#: netbox/core/forms/filtersets.py:131
 msgid "Completed before"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:134 netbox/core/forms/filtersets.py:163
+#: netbox/core/forms/filtersets.py:138 netbox/core/forms/filtersets.py:167
 #: netbox/dcim/forms/bulk_edit.py:455 netbox/dcim/forms/filtersets.py:509
 #: netbox/dcim/forms/model_forms.py:326 netbox/extras/forms/filtersets.py:572
 #: netbox/extras/forms/filtersets.py:592 netbox/extras/tables/tables.py:391
@@ -2336,22 +2341,22 @@ msgstr ""
 msgid "User"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:142 netbox/core/tables/change_logging.py:15
-#: netbox/core/tables/jobs.py:69 netbox/extras/tables/tables.py:773
+#: netbox/core/forms/filtersets.py:146 netbox/core/tables/change_logging.py:15
+#: netbox/core/tables/jobs.py:72 netbox/extras/tables/tables.py:773
 #: netbox/extras/tables/tables.py:828
 #: netbox/templates/core/objectchange.html:32
 msgid "Time"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:147 netbox/extras/forms/filtersets.py:561
+#: netbox/core/forms/filtersets.py:151 netbox/extras/forms/filtersets.py:561
 msgid "After"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:152 netbox/extras/forms/filtersets.py:566
+#: netbox/core/forms/filtersets.py:156 netbox/extras/forms/filtersets.py:566
 msgid "Before"
 msgstr ""
 
-#: netbox/core/forms/filtersets.py:156 netbox/core/tables/change_logging.py:29
+#: netbox/core/forms/filtersets.py:160 netbox/core/tables/change_logging.py:29
 #: netbox/extras/forms/model_forms.py:484
 #: netbox/templates/core/objectchange.html:46
 #: netbox/templates/extras/eventrule.html:71
@@ -2721,28 +2726,36 @@ msgid "job ID"
 msgstr ""
 
 #: netbox/core/models/jobs.py:116
+msgid "queue name"
+msgstr ""
+
+#: netbox/core/models/jobs.py:119
+msgid "Name of the queue in which this job was enqueued"
+msgstr ""
+
+#: netbox/core/models/jobs.py:122
 msgid "log entries"
 msgstr ""
 
-#: netbox/core/models/jobs.py:132
+#: netbox/core/models/jobs.py:138
 msgid "job"
 msgstr ""
 
-#: netbox/core/models/jobs.py:133
+#: netbox/core/models/jobs.py:139
 msgid "jobs"
 msgstr ""
 
-#: netbox/core/models/jobs.py:163
+#: netbox/core/models/jobs.py:169
 #, python-brace-format
 msgid "Jobs cannot be assigned to this object type ({type})."
 msgstr ""
 
-#: netbox/core/models/jobs.py:216
+#: netbox/core/models/jobs.py:226
 #, python-brace-format
 msgid "Invalid status for job termination. Choices are: {choices}"
 msgstr ""
 
-#: netbox/core/models/jobs.py:273
+#: netbox/core/models/jobs.py:283
 msgid ""
 "enqueue() cannot be called with values for both schedule_at and immediate."
 msgstr ""
@@ -2788,7 +2801,7 @@ msgstr ""
 msgid "Request ID"
 msgstr ""
 
-#: netbox/core/tables/change_logging.py:45 netbox/core/tables/jobs.py:76
+#: netbox/core/tables/change_logging.py:45 netbox/core/tables/jobs.py:79
 #: netbox/extras/tables/tables.py:784 netbox/extras/tables/tables.py:841
 #: netbox/templates/core/objectchange.html:68
 msgid "Message"
@@ -2831,16 +2844,16 @@ msgstr ""
 msgid "Interval"
 msgstr ""
 
-#: netbox/core/tables/jobs.py:46
+#: netbox/core/tables/jobs.py:49
 msgid "Log Entries"
 msgstr ""
 
-#: netbox/core/tables/jobs.py:73 netbox/extras/tables/tables.py:778
+#: netbox/core/tables/jobs.py:76 netbox/extras/tables/tables.py:778
 #: netbox/extras/tables/tables.py:832
 msgid "Level"
 msgstr ""
 
-#: netbox/core/tables/jobs.py:80
+#: netbox/core/tables/jobs.py:83
 msgid "No log entries"
 msgstr ""
 
@@ -8873,7 +8886,7 @@ msgstr ""
 
 #: netbox/extras/forms/filtersets.py:176 netbox/extras/forms/filtersets.py:377
 #: netbox/extras/forms/filtersets.py:400 netbox/extras/forms/filtersets.py:496
-#: netbox/extras/forms/model_forms.py:690 netbox/templates/core/job.html:69
+#: netbox/extras/forms/model_forms.py:690 netbox/templates/core/job.html:73
 #: netbox/templates/extras/eventrule.html:84
 msgid "Data"
 msgstr ""
@@ -13574,10 +13587,6 @@ msgstr ""
 msgid "Enqueue"
 msgstr ""
 
-#: netbox/templates/core/rq_task.html:61
-msgid "Queue"
-msgstr ""
-
 #: netbox/templates/core/rq_task.html:65
 msgid "Timeout"
 msgstr ""

netbox/utilities/choices.py

@@ -3,6 +3,7 @@ import enum
 from django.conf import settings
 from django.utils.translation import gettext_lazy as _
 
+from utilities.data import get_config_value_ci
 from utilities.string import enum_key
 
 __all__ = (
@@ -24,13 +25,14 @@ class ChoiceSetMeta(type):
             ).format(name=name)
             app = attrs['__module__'].split('.', 1)[0]
             replace_key = f'{app}.{key}'
-            extend_key = f'{replace_key}+' if replace_key else None
-            if replace_key and replace_key in settings.FIELD_CHOICES:
-                # Replace the stock choices
-                attrs['CHOICES'] = settings.FIELD_CHOICES[replace_key]
-            elif extend_key and extend_key in settings.FIELD_CHOICES:
-                # Extend the stock choices
-                attrs['CHOICES'].extend(settings.FIELD_CHOICES[extend_key])
+            replace_choices = get_config_value_ci(settings.FIELD_CHOICES, replace_key)
+            if replace_choices is not None:
+                attrs['CHOICES'] = replace_choices
+            else:
+                extend_key = f'{replace_key}+'
+                extend_choices = get_config_value_ci(settings.FIELD_CHOICES, extend_key)
+                if extend_choices is not None:
+                    attrs['CHOICES'].extend(extend_choices)
 
         # Define choice tuples and color maps
         attrs['_choices'] = []

netbox/utilities/data.py

@@ -10,6 +10,7 @@ __all__ = (
     'deepmerge',
     'drange',
     'flatten_dict',
+    'get_config_value_ci',
     'ranges_to_string',
     'ranges_to_string_list',
     'resolve_attr_path',
@@ -22,6 +23,19 @@ __all__ = (
 # Dictionary utilities
 #
 
+def get_config_value_ci(config_dict, key, default=None):
+    """
+    Retrieve a value from a dictionary using case-insensitive key matching.
+    """
+    if key in config_dict:
+        return config_dict[key]
+    key_lower = key.lower()
+    for config_key, value in config_dict.items():
+        if config_key.lower() == key_lower:
+            return value
+    return default
+
+
 def deepmerge(original, new):
     """
     Deep merge two dictionaries (new into original) and return a new dict

netbox/utilities/tests/test_choices.py

@@ -1,4 +1,4 @@
-from django.test import TestCase
+from django.test import TestCase, override_settings
 
 from utilities.choices import ChoiceSet
 
@@ -30,3 +30,29 @@ class ChoiceSetTestCase(TestCase):
 
     def test_values(self):
         self.assertListEqual(ExampleChoices.values(), ['a', 'b', 'c', 1, 2, 3])
+
+
+class FieldChoicesCaseInsensitiveTestCase(TestCase):
+    """
+    Integration tests for FIELD_CHOICES case-insensitive key lookup.
+    """
+
+    def test_replace_choices_with_different_casing(self):
+        """Test that replacement works when config key casing differs."""
+        # Config uses lowercase, but code constructs PascalCase key
+        with override_settings(FIELD_CHOICES={'utilities.teststatus': [('new', 'New')]}):
+            class TestStatusChoices(ChoiceSet):
+                key = 'TestStatus'  # Code will look up 'utilities.TestStatus'
+                CHOICES = [('old', 'Old')]
+
+            self.assertEqual(TestStatusChoices.CHOICES, [('new', 'New')])
+
+    def test_extend_choices_with_different_casing(self):
+        """Test that extension works with the + suffix under casing differences."""
+        # Config uses lowercase with + suffix
+        with override_settings(FIELD_CHOICES={'utilities.teststatus+': [('extra', 'Extra')]}):
+            class TestStatusChoices(ChoiceSet):
+                key = 'TestStatus'  # Code will look up 'utilities.TestStatus+'
+                CHOICES = [('base', 'Base')]
+
+            self.assertEqual(TestStatusChoices.CHOICES, [('base', 'Base'), ('extra', 'Extra')])

netbox/utilities/tests/test_data.py

@@ -2,6 +2,7 @@ from django.db.backends.postgresql.psycopg_any import NumericRange
 from django.test import TestCase
 from utilities.data import (
     check_ranges_overlap,
+    get_config_value_ci,
     ranges_to_string,
     ranges_to_string_list,
     string_to_ranges,
@@ -96,3 +97,25 @@ class RangeFunctionsTestCase(TestCase):
             string_to_ranges('2-10, a-b'),
             None  # Fails to convert
         )
+
+
+class GetConfigValueCITestCase(TestCase):
+
+    def test_exact_match(self):
+        config = {'dcim.site': 'value1', 'dcim.Device': 'value2'}
+        self.assertEqual(get_config_value_ci(config, 'dcim.site'), 'value1')
+        self.assertEqual(get_config_value_ci(config, 'dcim.Device'), 'value2')
+
+    def test_case_insensitive_match(self):
+        config = {'dcim.Site': 'value1', 'ipam.IPAddress': 'value2'}
+        self.assertEqual(get_config_value_ci(config, 'dcim.site'), 'value1')
+        self.assertEqual(get_config_value_ci(config, 'ipam.ipaddress'), 'value2')
+
+    def test_default_value(self):
+        config = {'dcim.site': 'value1'}
+        self.assertIsNone(get_config_value_ci(config, 'nonexistent'))
+        self.assertEqual(get_config_value_ci(config, 'nonexistent', default=[]), [])
+
+    def test_empty_dict(self):
+        self.assertIsNone(get_config_value_ci({}, 'any.key'))
+        self.assertEqual(get_config_value_ci({}, 'any.key', default=[]), [])