In preparation for a critical product release, our team embarked on the essential task of upgrading our Postgres RDS instances from version 14.6 to 15.4. While the DevOps team successfully completed the upgrade in the development and staging environments, we encountered unexpected Flyway warnings post-upgrade, highlighting compatibility concerns with PostgreSQL 15.4.

This article provides a concise account of our migration journey, emphasizing the importance of adaptability and meticulous problem-solving in the face of technological evolution.

What are the key compatibility challenges? And how to solve them?

Let’s find out in the troubleshooting story from one of our team members, Ramin Orujov, Senior Software Engineer at Zoolatech
https://zoolatech.com/blog/flyway-migration/