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varun-dhawan
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Sep 29, 2025

PostgreSQL 18 Preview on Azure Database for PostgreSQL

PostgreSQL 18 Preview on Azure Postgres Flexible Server

Weโ€™re excited to bring the latest Postgres innovations directly into Azure. With PG18 Preview, you can already test:

๐Ÿ”น Asynchronous I/O (AIO) โ†’ faster queries & lower latency
๐Ÿ”น Vacuuming enhancements โ†’ less bloat, fewer replication conflicts
๐Ÿ”น UUIDv7 support โ†’ better indexing & sort locality
๐Ÿ”น B-Tree skip scan โ†’ more efficient use of multi-column indexes
๐Ÿ”น Improved logical replication & DDL โ†’ easier schema evolution across replicas

And thatโ€™s just the start โ€” PG18 includes hundreds of community contributions, with 496 from Microsoft engineers alone ๐Ÿ’ช

๐Ÿ‘‰ Try it out today on Azure Postgres Flexible Server (initially in East Asia), share your feedback, and help shape GA.

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