Rails Framework Defaults - Defusing the Time Bomb in Your Upgraded App

Learn to complete your Rails upgrade by addressing the critical but often overlooked step of updating framework defaults in this 27-minute conference talk from RailsConf 2025. Discover why your Rails upgrade isn't truly finished once it's deployed to production, as outdated framework defaults can create hidden issues that act like a "time bomb" in your application. Follow a systematic approach to identify and safely update these defaults, moving beyond the typical upgrade tutorials that skip this essential phase. Master the techniques for navigating the tricky and poorly documented process of framework default migration, ensuring your upgraded Rails application runs with optimal configurations and avoiding potential production issues down the line.