netbox/docs/release-notes/version-4.2.md
2024-12-02 10:00:56 -05:00

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# NetBox v4.2
## v4.2-beta1 (2024-12-02)
!!! danger "Not for Production Use"
This is a beta release of NetBox intended for testing and evaluation. **Do not use this software in production.** Also be aware that no upgrade path is provided to future releases.
### Breaking Changes
* Support for the Django admin UI has been completely removed. (The Django admin UI was disabled by default in NetBox v4.0.)
* NetBox has adopted collation-based natural ordering for many models. This may alter the order in which some objects are listed by default.
* Automatic redirects from pre-v4.1 UI views for virtual disks have been removed.
* The `site` and `provider_network` foreign key fields on `circuits.CircuitTermination` have been replaced by the `termination` generic foreign key.
* The `site` foreign key field on `ipam.Prefix` has been replaced by the `scope` generic foreign key.
* The `site` foreign key field on `virtualization.Cluster` has been replaced by the `scope` generic foreign key.
* Obsolete nested REST API serializers have been removed. These were deprecated in NetBox v4.1 under [#17143](https://github.com/netbox-community/netbox/issues/17143).
### New Features
#### Assign Multiple MAC Addresses per Interface ([#4867](https://github.com/netbox-community/netbox/issues/4867))
MAC addresses are now managed as independent objects, rather than attributes on device and VM interfaces. NetBox now supports the assignment of multiple MAC addresses per interface, and allows a primary MAC address to be designated for each.
#### Quick Add UI Widget ([#5858](https://github.com/netbox-community/netbox/issues/5858))
A new UI widget has been introduced to enable conveniently creating new related objects while creating or editing an object. For instance, it is now possible to create and assign a new device role when creating or editing a device from within the device form.
#### VLAN Translation ([#7336](https://github.com/netbox-community/netbox/issues/7336))
User can now define policies which track the translation of VLAN IDs on IEEE 802.1Q-encapsulated interfaces. Translation policies can be reused across multiple interfaces.
#### Virtual Circuits ([#13086](https://github.com/netbox-community/netbox/issues/13086))
New models have been introduced to support the documentation of virtual circuits as an extension to the physical circuit modeling already supported. This enables users to accurately reflect point-to-point or multipoint virtual circuits atop infrastructure comprising physical circuits and cables.
#### Q-in-Q Encapsulation ([#13428](https://github.com/netbox-community/netbox/issues/13428))
NetBox now supports the designation of customer VLANs (CVLANs) and service VLANs (SVLANs) to support IEEE 802.1ad/Q-in-Q encapsulation. Each interface can now have it mode designated "Q-in-Q" and be assigned an SVLAN.
### Enhancements
* [#6414](https://github.com/netbox-community/netbox/issues/6414) - Prefixes can now be scoped by region, site group, site, or location
* [#7699](https://github.com/netbox-community/netbox/issues/7699) - Virtualization clusters can now be scoped by region, site group, site, or location
* [#9604](https://github.com/netbox-community/netbox/issues/9604) - The scope of a circuit termination now include a region, site group, site, location, or provider network
* [#10711](https://github.com/netbox-community/netbox/issues/10711) - Wireless LANs can now be scoped by region, site group, site, or location
* [#11279](https://github.com/netbox-community/netbox/issues/11279) - Improved the use of natural ordering for various models throughout the application
* [#12596](https://github.com/netbox-community/netbox/issues/12596) - Extended the virtualization clusters REST API endpoint to report on allocated VM resources
* [#16547](https://github.com/netbox-community/netbox/issues/16547) - Add a geographic distance field for circuits
* [#16783](https://github.com/netbox-community/netbox/issues/16783) - Add an operational status field for inventory items
* [#17195](https://github.com/netbox-community/netbox/issues/17195) - Add a color field for power outlets
### Plugins
* [#15093](https://github.com/netbox-community/netbox/issues/15093) - Introduced the `events_pipeline` configuration parameter, which allows plugins to hook into NetBox event processing
* [#16546](https://github.com/netbox-community/netbox/issues/16546) - NetBoxModel now provides a default `get_absolute_url()` method
* [#16971](https://github.com/netbox-community/netbox/issues/16971) - Plugins can now easily register system jobs to perform background tasks
* [#17029](https://github.com/netbox-community/netbox/issues/17029) - Registering a `PluginTemplateExtension` subclass for a single model has been deprecated (replace `model` with `models`)
* [#18023](https://github.com/netbox-community/netbox/issues/18023) - Extend `register_model_view()` to handle list views
### Other Changes
* [#16136](https://github.com/netbox-community/netbox/issues/16136) - Removed support for the Django admin UI
* [#17165](https://github.com/netbox-community/netbox/issues/17165) - All obsolete nested REST API serializers have been removed
* [#17472](https://github.com/netbox-community/netbox/issues/17472) - The legacy staged changes API has been deprecated, and will be removed in Netbox v4.3
* [#17476](https://github.com/netbox-community/netbox/issues/17476) - Upgrade to Django 5.1
* [#17752](https://github.com/netbox-community/netbox/issues/17752) - Bulk object import URL paths have been renamed from `*_import` to `*_bulk_import`
* [#17761](https://github.com/netbox-community/netbox/issues/17761) - Optional choice fields now store empty values as null (rather than empty strings) in the database
* [#18093](https://github.com/netbox-community/netbox/issues/18093) - Redirects for pre-v4.1 virtual disk UI views have been removed
### REST API Changes
* Added the following endpoints:
* `/api/circuits/virtual-circuits/`
* `/api/circuits/virtual-circuit-terminations/`
* `/api/dcim/mac-addresses/`
* `/api/ipam/vlan-translation-policies/`
* `/api/ipam/vlan-translation-rules/`
* circuits.Circuit
* Added the optional `distance` and `distance_unit` fields
* circuits.CircuitTermination
* Removed the `site` & `provider_network` fields
* Added the `termination_type` & `termination_id` fields to facilitate termination assignment
* Added the read-only `termination` field
* dcim.Interface
* The `mac_address` field is now read-only
* Added the `primary_mac_address` relation to dcim.MACAddress
* Added the read-only `mac_addresses` list
* Added the `qinq_svlan` relation to ipam.VLAN
* Added the `vlan_translation_policy` relation to ipam.VLANTranslationPolicy
* Added `mode` choice "Q-in-Q"
* dcim.InventoryItem
* Added the optional `status` choice field
* dcim.Location
* Added the read-only `prefix_count` field
* dcim.PowerOutlet
* Added the optional `color` field
* dcim.Region
* Added the read-only `prefix_count` field
* dcim.SiteGroup
* Added the read-only `prefix_count` field
* ipam.Prefix
* Removed the `site` field
* Added the `scope_type` & `scope_id` fields to facilitate scope assignment
* Added the read-only `scope` field
* ipam.VLAN
* Added the optional `qinq_role` selection field
* Added the `qinq_svlan` recursive relation
* virtualization.Cluster
* Removed the `site` field
* Added the `scope_type` & `scope_id` fields to facilitate scope assignment
* Added the read-only `scope` field
* virtualization.Cluster
* Added the read-only fields `allocated_vcpus`, `allocated_memory`, and `allocated_disk`
* virtualization.VMInterface
* The `mac_address` field is now read-only
* Added the `primary_mac_address` relation to dcim.MACAddress
* Added the read-only `mac_addresses` list
* Added the `qinq_svlan` relation to ipam.VLAN
* Added the `vlan_translation_policy` relation to ipam.VLANTranslationPolicy
* Added `mode` choice "Q-in-Q"
* wireless.WirelessLAN
* Added the `scope_type` & `scope_id` fields to support scope assignment
* Added the read-only `scope` field