Hello everyone! This is Claudio with a recap of the main commits that made it into rails/rails this week. If you too want to contribute to Rails, this outstanding Active Record issue is a great place to start.

Temporarily point to a fork of SDoc

A work in progress to improve the documentation of Rails with a nicer theme, better SEO and faster generation time. Can you spot the difference between the current and the future version?

Minor tweaks in Active Storage documentation

Two weeks ago, Active Storage made it into rails/rails. This week its documentation has been improved to make it ready to ship with Rails 5.2.

Faster and more readable implementation of Hash#deep_merge

If you want to learn how to use benchmarks to prove that a commit can improve the performance of Rails, this is a great example.

Eager-load controller actions to reduce response time of the first request

The list of available actions for a controller is now eagerly loaded  to reduce response time of the first request and the memory footprint when running on forking server like Unicorn.

Load Parameters configurations on :action_controller only once

This PR fixes a regression introduced in 5.1.3 by which UnpermittedParameters were not raised as expected.

Check :scope input in Uniqueness validator

Without this patch, calling something like validates_uniqueness_of :code, scope: [archived: false] would cause NoMethodError with a trace into AR internals.

Add binary helper method to fixtures

You can now more easily use binary data as fixtures.

Add --skip-yarn option to the plugin generator

Don’t include yarn in your engines if you don’t need it.

Allow serialize with a custom coder on json and array columns

Better control on how to store your data.

Bump thor and blade

Thor 0.20 has new features you might want to look at.

That’s all for this week! Feel free to check the full list of commits if you are interested. Until next week!