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My experience upgrading Ruby on Rails from 3.2 to 4.2

by Tóth Péter —

I collected the experience and the lessons I learned during the process of upgrading Rails from 3.2 to 4.2 along with some undocumented changes and solutions for them.

https://blog.kalina.tech/2019/07/upgrading-ruby-on-rails-from-32-to-42.html

Comments

Nice post. Personally, I also use http://railsdiff.org/about to hand pick changes from version to version.

Nick K. —

I’m happy to hear you like it. I also like to use Rails diff especially to see how the config files changed.

Tóth Péter —

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