How to create a new Rails app with Rails 8.1.0.beta1

How to create a new Rails app with Rails 8.1.0.beta1

gem install -v 8.1.0.beta1 rails

rails _8.1.0.beta1_ new mynewrails81app

You can also generate a new Rails app using the main branch. Rails has a long history of being used by major companies on the main branch, making it as safe as possible to run. While it's not an official release, any bugs that appear are likely to be resolved quickly.

rails new myrailsapp --main