Changelog for #12795, #15277, #15292

docs/release-notes/version-4.0.md

@@ -34,7 +34,7 @@ The REST API now supports specifying which fields to include in the response dat
 
 * [#12325](https://github.com/netbox-community/netbox/issues/12325) - The Django admin UI is now disabled by default (set `DJANGO_ADMIN_ENABLED` to True to enable it)
 * [#12510](https://github.com/netbox-community/netbox/issues/12510) - Dropped support for legacy reports
-* [#12795](https://github.com/netbox-community/netbox/issues/12795) - NetBox now uses a custom User model rather than the stock model provided by Django
+* [#12795](https://github.com/netbox-community/netbox/issues/12795) - NetBox now uses custom User and Group models rather than the stock models provided by Django
 * [#13647](https://github.com/netbox-community/netbox/issues/13647) - Squash all database migrations prior to v3.7
 * [#14092](https://github.com/netbox-community/netbox/issues/14092) - Remove backward compatibility for importing plugin resources from `extras.plugins` (now `netbox.plugins`)
 * [#14638](https://github.com/netbox-community/netbox/issues/14638) - Drop support for Python 3.8 and 3.9
@@ -44,3 +44,37 @@ The REST API now supports specifying which fields to include in the response dat
 * [#15042](https://github.com/netbox-community/netbox/issues/15042) - Rearchitect the logic for registering models & model features
 * [#15099](https://github.com/netbox-community/netbox/issues/15099) - Remove obsolete `device_role` and `device_role_id` filters for devices
 * [#15100](https://github.com/netbox-community/netbox/issues/15100) - Remove obsolete `NullableCharField` class
+* [#15277](https://github.com/netbox-community/netbox/issues/15277) - Replace references to ContentType without ObjectType proxy model & standardize field names
+* [#15292](https://github.com/netbox-community/netbox/issues/15292) - Remove obsolete `device_role` attribute from Device model (this field was renamed to `role` in v3.6)
+
+### REST API Changes
+
+* The `/api/extras/content-types/` endpoint has moved to `/api/extras/object-types/`
+* dcim.Device
+  * The obsolete read-only attribute `device_role` has been removed (replaced by `role` in v3.6)
+* extras.CustomField
+  * `content_types` has been renamed to `object_types`
+  * The `content_types` filter is now `object_type`
+  * The `content_type_id` filter is now `object_type_id`
+* extras.CustomLink
+  * `content_types` has been renamed to `object_types`
+  * The `content_types` filter is now `object_type`
+  * The `content_type_id` filter is now `object_type_id`
+* extras.EventRule
+  * `content_types` has been renamed to `object_types`
+  * The `content_types` filter is now `object_type`
+  * The `content_type_id` filter is now `object_type_id`
+* extras.ExportTemplate
+  * `content_types` has been renamed to `object_types`
+  * The `content_types` filter is now `object_type`
+  * The `content_type_id` filter is now `object_type_id`
+* extras.ImageAttachment
+  * `content_type` has been renamed to `object_type`
+  * The `content_type` filter is now `object_type`
+* extras.SavedFilter
+  * `content_types` has been renamed to `object_types`
+  * The `content_types` filter is now `object_type`
+  * The `content_type_id` filter is now `object_type_id`
+* tenancy.ContactAssignment
+  * `content_type` has been renamed to `object_type`
+  * The `content_type_id` filter is now `object_type_id`