Understanding Ruby on Rails 8

Ruby on Rails 8 brings significant improvements to developer experience and application performance. Let's dive into what's new and how you can take advantage of these features.

Major Features

Improved Hotwire Integration

Rails 8 makes Hotwire even more powerful with better Turbo Stream support and improved Stimulus controller patterns.

Database Improvements

Active Record continues to evolve with better support for modern database features and improved query optimization.

Upgrade Guide

Upgrading from Rails 7.x is straightforward for most applications. The Rails team has maintained backward compatibility while introducing new features.

# Update your Gemfile
gem "rails", "~> 8.0"

# Run the upgrade command
bin/rails app:update

After upgrading, review the release notes for any deprecation warnings and update your code accordingly.