A new change in 5.1 Beta 1 introduces a change in behaviour for cron spawning on servers running fastcgi and PHP 7.0.16+. When available, requests to wp-cron.php will now return a repsonse immediately, before processing lengthy cron jobs, allowing the request that spawned the cron process to end without blocking regardless of the transport method … Continue reading Cron Improvements with PHP-FPM in WordPress 5.1