PostgreSQL 19 RC1 Now Available on Amazon RDS Preview Environment
You can now test PostgreSQL 19 Release Candidate 1 in Amazon RDS Database Preview Environment, giving you early access to stability improvements like better text-search error handling and more reliable GIN index maintenance. The preview instances run in US East (Ohio) and stick around for 60 days, perfect for kicking the tires before the official release.
source: [aws/whats-new]