Difference between Bluetooth 5.2?

Bluetooth 5.2 offers an upgraded version of the original Attribute Technology Protocol (ATT) over 5.0, called Enhanced Attribute Technology Protocol (EATT), which is more efficient and secure than ATT. And Bluetooth 5.2 offers Synchronized Channel (ISOC)-a new feature that supports both connection-oriented and connectionless communication. With these advancements and efficiency gains, Bluetooth 5.2 offers faster pairing capabilities and longer battery life.