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Amazon Aurora now supports PostgreSQL major version 18

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AWS·4 weeks ago · Jun 11, 2026, 06:59 PMFeatureAI-assisted summary

Summary

Amazon Aurora PostgreSQL now supports PostgreSQL major version 18 (starting with Aurora version 18.3).
Adds new pg_roaringbitmap extension, B‑tree skip scans, retains optimizer statistics on major upgrades, and enables parallel logical replication of large transactions for better performance and lower lag.
Provides multiple upgrade paths (Blue/Green deployments, in‑place upgrade, snapshot restore) and is available across all commercial AWS and GovCloud regions.

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