[docs] Add release meta-data for Moodle 4.3

Fixes #701

data/versions.json

@@ -1,6 +1,21 @@
 {
     "$schema": "../static/schema/versions.json",
     "versions": [
+        {
+            "name": "4.3",
+            "releaseDate": "9 October 2023",
+            "generalEndDate": "14 October 2024",
+            "securityEndDate": "14 April 2025",
+            "isLTS": false,
+            "releases": [
+                {
+                    "name": "4.3.0",
+                    "releaseDate": "9 October 2023",
+                    "version": 2023100900,
+                    "upgradePath": "https://docs.moodle.org/403/en/Upgrading"
+                }
+            ]
+        },
         {
             "name": "4.2",
             "releaseDate": "24 April 2023",

general/releases/4.3.md

@@ -0,0 +1,57 @@
+---
+title: Moodle 4.3
+tags:
+  - Release notes
+  - Moodle 4.3
+sidebar_position: -43
+moodleVersion: 4.3.0
+description: The release notes for Moodle version 4.3.0.
+---
+
+import { ReleaseNoteIntro } from '@site/src/components/ReleaseInformation';
+
+<ReleaseNoteIntro releaseName={frontMatter.moodleVersion} />
+
+If you are upgrading from a previous version, please see [Upgrading](https://docs.moodle.org/en/Upgrading) in the user docs.
+
+## Server requirements
+
+These are just the minimum supported versions. We recommend keeping all of your software and operating systems up-to-date.
+
+- Moodle upgrade: Moodle 3.11.8 or later.
+- PHP version: minimum PHP 8.0.0 *Note: minimum PHP version has increased since Moodle 4.1*. PHP 8.1.x is supported too. See [PHP](../development/policies/php.md) for details.
+- PHP extension **sodium** is required. See [Environment - PHP extension sodium](https://docs.moodle.org/en/Environment_-_PHP_extension_sodium).
+- PHP setting **max_input_vars** must be >= 5000. For further details, see [Environment - max input vars](https://docs.moodle.org/en/Environment_-_max_input_vars).
+- PHP variants: Only 64-bit versions of PHP are supported. *Note: Changed since 4.1*.
+
+### Database requirements
+
+Moodle supports the following database servers. Again, version numbers are just the minimum supported version. We recommend running the latest stable version of any software.
+
+| Database | Minimum version | Recommended |
+| --- | --- | --- |
+| [PostgreSQL](http://www.postgresql.org/) | 13 (increased since Moodle 4.1) | Latest |
+| [MySQL](http://www.mysql.com/) | 8.0 (increased since Moodle 4.1) | Latest |
+| [MariaDB](https://mariadb.org/) | 10.6.7 (increased since Moodle 4.1) | Latest |
+| [Microsoft SQL Server](http://www.microsoft.com/en-us/server-cloud/products/sql-server/) | 2017 | Latest |
+| [Oracle Database](http://www.oracle.com/us/products/database/overview/index.html) | 19 | Latest |
+
+## Client requirements
+
+### Browser support
+
+Moodle is compatible with any standards compliant web browser. We regularly test Moodle with the following browsers:
+
+Desktop:
+
+- Chrome
+- Firefox
+- Safari
+- Edge
+
+Mobile:
+
+- MobileSafari
+- Google Chrome
+
+For the best experience and optimum security, we recommend that you keep your browser up to date.