This document outlines the process for upgrading to Ruby on Rails 7.0.4, detailing new features, compatibility checks, and a step-by-step upgrade guide. Key features include improved performance, enhanced security, and modernized development tools. It also emphasizes the importance of dependency analysis, functional testing, and having a well-planned deployment strategy.

1. Upgrading to Ruby on Rails
7.0.4
This presentation guides you through upgrading to Rails 7.0.4. We'll
cover new features, compatibility checks, and a step-by-step process for
a smooth transition.

2. Overview of New Features &
Improvements
Improved Performance
Rails 7.0.4 delivers significant
performance enhancements,
leveraging optimized libraries
and caching strategies for
faster application execution.
Enhanced Security
Strengthened security
features, including updated
vulnerability patches and
hardened authentication
mechanisms, protect your
application from potential
threats.
Modern Development Experience
Rails 7.0.4 simplifies development workflows with streamlined
configuration, advanced tooling, and intuitive APIs.

3. Preparing for the Upgrade - Compatibility Checks
Dependency Analysis
Review your project's dependencies and update any
outdated or incompatible gems to ensure seamless
integration with Rails 7.0.4. Consider using the 'bundler' tool
for this process.
Codebase Review
Examine your existing code for potential compatibility
issues, paying particular attention to deprecated features or
API changes introduced in Rails 7.0.4.

4. Upgrading the Rails Version - Step-by-Step
Process
1
Backup
Create a backup of your entire
project to ensure data recovery if any
issues arise during the upgrade
process.
2
Update Gemfile
Modify your Gemfile to specify Rails
7.0.4 as the required version. Use
'bundle update' to install the new
version.
3
Run Migrations
Execute any pending database
migrations to update your schema to
match the latest version of Rails.

5. Exploring Latest Enhancements in Rails 7.0.4
1
Action Text
Enhanced rich text editing for improved content management and user
experience.
2
Action Mailbox
Streamlined email processing and management for efficient handling
of incoming messages.
3
Active Storage
Simplified file upload and storage for efficient content
management in web applications.

6. Testing and Validating the
Upgraded Application
Functional Tests
Execute your existing functional tests to ensure all key functionalities of
your application work correctly after the upgrade.
Bug Fixes
Address any identified bugs or issues that arise due to the upgrade or
compatibility changes.
Performance Monitoring
Monitor the application's performance after the upgrade to ensure that
the new version maintains or improves response times.

7. Considerations for Migration and Deployment
Deployment Strategy
Develop a comprehensive
deployment plan, outlining the steps
for deploying the upgraded
application to your production
environment.
Monitoring and Rollback
Implement monitoring tools to track
the application's performance and
health after deployment. Ensure a
rollback plan in case of unforeseen
issues.
User Communication
Communicate any potential changes
or downtime to users before
deploying the upgraded application
to minimize disruption.

8. Q&A Session and Resources
Feel free to ask any questions you may have about the upgrade process.
Here are some helpful resources for further exploration: