How to stop email notification to update Wordpress core?
To disable the Automatic updates in functions.php:
define( 'AUTOMATIC_UPDATER_DISABLED', true );If you want just the email to be turned off, use the below:
You can set the status to false for auto_core_update_send_email. Below code goes in functions.php
// Disable update emailsadd_filter( 'auto_core_update_send_email', '__return_false' );