Memgraph 1.3 introduces a significant enhancement with its new replication feature, allowing Memgraph Enterprise users to synchronize data across multiple servers, ensuring high availability and fault tolerance by creating clusters of nodes with a leader-follower model. Users can choose between synchronous, asynchronous, and semi-synchronous modes to meet various consistency requirements. The release also includes data directory locking to facilitate live backups without data loss, improved logging with customizable levels, and enhanced query type deduction to prevent write queries on replicas. These updates aim to enhance flexibility, reliability, and user control within the Memgraph database environment.