RailsConf 2022 - Unboxing Rails 7What's new in the latest major version by Claudio Baccigalupo - YouTube

Rails 7.0 removes webpacker and spring from the default stack, adds encrypted attributes, allows for asynchronous query loading, changes autoloading defaults, attaches comments to Active Record queries, and introduces new tools for front-end development.Learn about these and many other Pull Requests that were merged in rails/rails in 2021. Understand the motivation behind some architectural decisions. Review the process to upgrade from Rails 6.1 to Rails 7.