With Rails 4, Concerns have become the “official” solution to the big-models problem. However, there’s a fair amount of controversy about this topic in the community. Not everyone is convinced that Concerns are the “right“ solution to the problem of AR models becoming too big.

In this talk we will see what Rails Concerns are and how can we use them to keep our models fit. More interestingly, we’ll discuss the trade-offs of this technique, the different views in the community and a couple of alternatives.

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

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