PHP Extension 5.22.0 released

• New Feature: Selected MySQLnd statistics (mysqlnd.collect_statistics) are now included on SQL spans for both MySQLi and PDO MySQL.
• New Feature: Add new Profiler::getLayerMetrics() method to retrieve the raw layer timings for the current transaction.
• Improvement: Add new session.save_handler.user_class annotation containing a user-specified session save handler to session_start spans with session.save_handler=user.
• Bugfix: Fix Shopware transaction names for cached requests when using Edge Side Includes (ESI).