Which is better, Bluetooth 5.2 or 5.0?

Compared with 5.0, Bluetooth 5.2 provides an upgraded version of the original Attribute Protocol (ATT), which is more efficient and safer than ATT. Moreover, Bluetooth 5.2 provides synchronous channel (ISOC), a brand-new function to support connection-oriented and connectionless communication. With these advances and efficiency improvements, Bluetooth 5.2 provides faster pairing ability and longer battery life.