*   Add `railtie.rb` to the plugin generator

    *Tsukuru Tanimichi*

*   Deprecate `capify!` method in generators and templates.

    *Yuji Yaginuma*

*   Allow irb options to be passed from `rails console` command.

    Fixes #28988.

    *Yuji Yaginuma*

*   Added a shared section to config/database.yml that will be loaded for all environments.

    *Pierre Schambacher*

*   Namespace error pages' CSS selectors to stop the styles from bleeding into other pages
    when using Turbolinks.

    *Jan Krutisch*


Please check [5-1-stable](https://github.com/rails/rails/blob/5-1-stable/railties/CHANGELOG.md) for previous changes.