Closes #12964: Raise minimum PostgreSQL version from 11 to 12

docs/configuration/required-parameters.md

@@ -25,7 +25,7 @@ ALLOWED_HOSTS = ['*']
 
 ## DATABASE
 
-NetBox requires access to a PostgreSQL 11 or later database service to store data. This service can run locally on the NetBox server or on a remote system. The following parameters must be defined within the `DATABASE` dictionary:
+NetBox requires access to a PostgreSQL 12 or later database service to store data. This service can run locally on the NetBox server or on a remote system. The following parameters must be defined within the `DATABASE` dictionary:
 
 * `NAME` - Database name
 * `USER` - PostgreSQL username

docs/installation/1-postgresql.md

@@ -2,8 +2,8 @@
 
 This section entails the installation and configuration of a local PostgreSQL database. If you already have a PostgreSQL database service in place, skip to [the next section](2-redis.md).
 
-!!! warning "PostgreSQL 11 or later required"
-    NetBox requires PostgreSQL 11 or later. Please note that MySQL and other relational databases are **not** supported.
+!!! warning "PostgreSQL 12 or later required"
+    NetBox requires PostgreSQL 12 or later. Please note that MySQL and other relational databases are **not** supported.
 
 ## Installation
 
@@ -35,7 +35,7 @@ This section entails the installation and configuration of a local PostgreSQL da
     sudo systemctl enable postgresql
     ```
 
-Before continuing, verify that you have installed PostgreSQL 11 or later:
+Before continuing, verify that you have installed PostgreSQL 12 or later:
 
 ```no-highlight
 psql -V

docs/installation/index.md

@@ -18,7 +18,7 @@ The following sections detail how to set up a new instance of NetBox:
 | Dependency | Minimum Version |
 |------------|-----------------|
 | Python     | 3.8             |
-| PostgreSQL | 11              |
+| PostgreSQL | 12              |
 | Redis      | 4.0             |
 
 Below is a simplified overview of the NetBox application stack for reference:

docs/installation/upgrading.md

@@ -15,12 +15,12 @@ Prior to upgrading your NetBox instance, be sure to carefully review all [releas
 
 ## 2. Update Dependencies to Required Versions
 
-NetBox v3.0 and later require the following:
+NetBox requires the following dependencies:
 
 | Dependency | Minimum Version |
 |------------|-----------------|
 | Python     | 3.8             |
-| PostgreSQL | 11              |
+| PostgreSQL | 12              |
 | Redis      | 4.0             |
 
 ## 3. Install the Latest Release

docs/introduction.md

@@ -75,5 +75,5 @@ NetBox is built on the [Django](https://djangoproject.com/) Python framework and
 | HTTP service       | nginx or Apache   |
 | WSGI service       | gunicorn or uWSGI |
 | Application        | Django/Python     |
-| Database           | PostgreSQL 11+    |
+| Database           | PostgreSQL 12+    |
 | Task queuing       | Redis/django-rq   |

docs/release-notes/version-3.6.md

@@ -4,6 +4,7 @@
 
 ### Breaking Changes
 
+* PostgreSQL 11 is no longer supported (due to adopting Django 4.2). NetBox v3.6 requires PostgreSQL 12 or later.
 * The `napalm_driver` and `napalm_args` fields (which were deprecated in v3.5) have been removed from the platform model.
 
 ### Enhancements
@@ -18,3 +19,4 @@
 * [#12180](https://github.com/netbox-community/netbox/issues/12180) - All API endpoints for available objects (e.g. IP addresses) now inherit from a common parent view
 * [#12794](https://github.com/netbox-community/netbox/issues/12794) - Avoid direct imports of Django's stock user model
 * [#12320](https://github.com/netbox-community/netbox/issues/12320) - Remove obsolete fields `napalm_driver` and `napalm_args` from Platform
+* [#12964](https://github.com/netbox-community/netbox/issues/12964) - Drop support for PostgreSQL