Get ready for Rails 7.0: How to upgrade your Rails 6.x app from Classic to Zeitwerk
Zeitwerk is the code autoloader and reloader that was integrated with Rails 6. Beginning in Rails 7, it will be the only codeloader option. As a result, upgrading to Zeitwerk will be an important step in getting your application ready for the next version of Rails. In this article, we’ll talk about upgrading your Rails 6 application from classic to zeitwerk mode.
More here: https://www.fastruby.io/blog/rails/upgrade/zeitwerk/upgrading-to-zeitwerk.html
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