PostgreSQL, widely regarded as the world’s most advanced open-source relational database, continues to set the standard for performance, scalability, and flexibility in modern data infrastructure. The database has undergone significant advancements since the release of PostgreSQL 13 in 2020, introducing powerful features and enhancements that make it an even more compelling choice for developers, database administrators, and IT leaders alike. Staying up-to-date with the latest PostgreSQL versions is a best practice and a strategic advantage for any organization relying on data-driven applications, as each new version introduces optimizations that improve query execution times, resource utilization, and overall database performance. Key features introduced since PostgreSQL 13 include incremental sorting, parallelized vacuuming of indexes, improved JSON support, enhanced security measures, community and ecosystem support, and logical replication enhancements. Upgrading to the latest PostgreSQL version can bring numerous benefits, but it requires careful planning and testing, with two main approaches to upgrading: in-place upgrade and copy upgrade. The latest version has introduced features like SQL MERGE command, LZ4 compression, and enhanced logical replication, providing developers with powerful tools to build efficient, scalable, and secure applications.