WordPress Plugin: Enforce Auto Update

enforce-auto-update.php

<?php
/**
 * Plugin Name: Enforce Auto Update
 * Description: Enables automatic updates for WordPress core (minor and major stable releases), plugins, and themes.
 * Version: 1.0
 * Update URI: false
 */

// Enable automatic updates for WordPress core (minor and major stable releases, excluding development releases)
add_filter( 'allow_dev_auto_core_updates', '__return_false' );
add_filter( 'allow_minor_auto_core_updates', '__return_true' );
add_filter( 'allow_major_auto_core_updates', '__return_true' );

// Enable automatic updates for plugins
add_filter( 'auto_update_plugin', '__return_true' );

// Enable automatic updates for themes
add_filter( 'auto_update_theme', '__return_true' );