The Complete Guide for Deprecation Warnings in Rails

16/04/2020
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Deprecation warnings are a common thing in our industry. They are warnings that notify us that a specific feature (e.g. a method) will be removed soon (usually in the next minor or major version) and should be replaced with something else. Features are deprecated rather than immediately removed, in order to provide backward compatibility (a solution that works in both the current and the future version), and to give programmers time to implement the code in a way that follows the new standard.In this guide we'll show you what the workflow is that we use at FastRuby.io to address deprecation warnings when we upgrade Rails applications.
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