You need to upgrade Rails to patch security vulnerabilities, use the latest features, and get the latest performance improvements.

You know you need to upgrade Rails, but you just don't have the time to solve this problem today. You know Rails 5.2 (and even Rails 4.2!) is more performant than 3.0 and that Rails 3.2 is no longer supported by the community.

As Rails maintainers release more features, you continue to lag behind (now Rails 6.0 is out!). And the security risks keep piling up.

We know how it goes. We have been there ourselves with our own products. You want to upgrade. You know you need to upgrade. But you just don't have the time to do it right now.

Here is the truth:

Rails upgrades are hard