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Oct 9, 2026 · Databases

PostgreSQL 18.6 Deep Dive: Async I/O, Skip Scan, UUIDv7 & More

PostgreSQL 18.6 introduces async I/O with io_uring support, skip scan for composite indexes, time-ordered UUIDv7, virtual generated columns, OAuth authentication, RETURNING old/new values, and critical security fixes for logical decoding and pgcrypto.