* Add `rails db:system:change` command for changing databases.
```
bin/rails db:system:change --to=postgresql
force config/database.yml
gsub Gemfile
```
The change command copies a template `config/database.yml` with the target database adapter into your app, and replaces your database gem with the target database gem.
*Gannon McGibbon*
* Add `rails test:channels`.
* Add `rails test:channels`.
*bogdanvlviv*
*bogdanvlviv*
* Use original `bundler` environment variables during the process of generating a new rails project.
* Use original `bundler` environment variables during the process of generating a new rails project.