Google ADK 2.0 Migration: Three Database Compatibility Pitfalls

Google ADK 2.0's transition to async PostgreSQL drivers introduces three critical compatibility challenges that developers often overlook: connection URL format changes that conflict with synchronous code, missing database schema columns that cause silent production failures, and mandatory schema migrations. Understanding these pitfalls is essential for teams managing real-world agent deployments, as misconfigured migrations can lead to hard-to-diagnose service outages.