How to disable WordPress automatic updates
As of WordPress 3.7 and upwards WordPress will now check and install updates automatically. This feature is on by default and only applies to minor versions and not the major ones.
If you wish to have full control over when to update your WordPress installation then it would be wise to disable the automatic installation of the new updates. This way you will still get notified when an update is available to download but it won’t be installed automatically.
There are two methods to disable WordPress automatic update feature.
Method 1 (Recommended)
Edit your wp-config.php file and add the following line.
Method 2 (Advanced)
Make use of the
auto_update_core WordPress filters.