Rails Upgrade makes default Time format change. How to revert?

I am upgrading a Rails app from Rails 4.2 -> 5.2 (a subsequent upgrade to Rails 6 is pending) Ruby 2.2 -> 2.5 Postgres 9.1 -> 10 in various steps. Since the Rails upgrade requires the Postgres upgrade I can’t separate the upgrades in a sensible way. Currently I am struggling with the way “Time” […]