Catch Up Ruby on Rails 6 New Update with New FeaturesRuby on Rails

Ruby is a much-matured language now. Rails 6 are booming popularity worldwide again. It has many helpful tools and gems. Using these gems and tools, you can build a web application in a faster way. Ruby on Rails has a big community to give solution to the developer’s problem for every small and complex issue.

Ruby on Rails updates continuously with good features. Rails 6.0 update released and is filled with many features that both smaller and bigger applications. It will benefit from, as it feels like many improvements around speed and scalability were introduced in Rails 6. A huge number of outlooks were riding on this Ruby on Rails 6 release and the following are some main key points to note on its upgrading.

Ruby on Rails 6 upgradation from Ruby on Rails 5

Ruby on Rails Version

Rails 6 require Ruby version 2.5+.


On the off chance that your application Rails adaptation is 5.2 and you have to move up to Rails form 6 and your current application rails rendition has the most recent fix form before moving to the following major/minor variant.


Check all your gems from Gemfile are compatible with Rails 6 gem. By visiting the respective gem’s GitHub page you can check Gemfile.

Config files:

In Ruby on Rails there is a task called `rails app: update`. It will update the app to the latest version. At some stage in-app updates, it will give you conflict over current files. You need to fix those files carefully.


There are many removals in Rails 6. You need to take care of that during upgradation.


Webpacker is by default added in Rails 6. It is a modern javascript compiler. You can manage your asset pipeline using a webpacker.


Ruby on Rails 6 given support for all credentials. It means you can create separate credentials to each environment e.g. dev, staging and production.

On July 22, 2019 Rails 6 latest version rc2 has released. When you want to start a new rails app today then definitely you can use 6.0.0.rc1 or 6.0.0.rc2 gem version. Let’s see what the Ruby on Rails 6 new features added are in the final release of 6.0.0.rc1.

Action Mailbox:

Email is a powerful tool to communicate. Almost everyone needs to send emails – but increasingly many also want to add a human touch with their users. In the world of bots, instead of do-not-reply emails, people are sending emails that can be replied to by real people. Action Mailbox allows you to course incoming emails to controller-like mailboxes. Ruby on Rails 6.0 now ships with inbuilt support for Mailgun, Mandrill, Postmark, and SendGrid. The emails are processed via Active Record and stored on the cloud through Active Storage and can be sent to one more multiple mailboxes.

Action Text:

The Action Text includes Active Storage-backed file and image processing, and a text-processing flow that ties it all together. It brings rich text content and editing to Rails. Action Text includes the Trix editor that handles everything from formatting to links to quotes to lists to embedded images and galleries. This feature is helpful when you’re not using any UI framework like React with Ruby on Rails.

Parallel Testing:

Parallel testing was a little bit hard up until Rails 6 especially in CI systems when you needed isolation between processes and interference with the database. Although forking processes is the default method, threading is supported as well. Parallel testing reduces the time it takes your entire test suite to run.


The new code loader for Ruby is Zeitwerk and it is efficient, thread-safe, and matches Ruby semantics for constants. In specified conventional file structure, Zeitwerk loads your project’s classes and modules on demand meaning you don’t need to write require calls for your files.

Action Cable Testing:

This is one of the small features added in Rails 6. In this, Action Cable testing tools allow you to test your Action Cable functionality at any level: connections, channels, broadcasts.


Earlier Ruby on Rails uses Assets Pipeline to built JS and CSS. But after updating its using webpacker gem for all Style Sheets, images and JS libraries wrap into a single bundle with a single access point. In Ruby on Rails 6 Webpack bundlers have been added as default.

Hoping that this blog will be helpful to learn new features added in Ruby on Rails 6 as well as the upgradation process. Ruby on Rails playing a very important role in Web Application Development and Web API Development. Sovereign developers always have an approach towards new trending programming languages to help you to build web applications within less time and cost compared to other technology.


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