Preface to the Rails 5 Edition

Rails 1.0 was released in December 2005. In the more than ten years since, it has gone from a relatively unknown leading-edge tool to a successful and stable foundation with a large set of associated libraries that others benchmark themselves against.

The book you’re about to read was there from the start, and it has evolved with Rails. It began as a full reference to a small framework when online documentation was scarce and inconsistent. It’s now an introduction to the entire Rails ecosystem—one that leaves you with many pointers to more information that you can explore based on your needs and desires.

This book didn’t just evolve along with Rails; Rails evolved with it. It’s been developed in consultation ...

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