Let’s take a gander at four different ways. Each of them handling the illusion in a different way, and each completely appropriate depending on the situation at hand.

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

Transparency in Web Design | CSS-Tricks

Rails Long Term Support