title: At forms, "Required: true" is not working
body: <p>I'm making a Rails app but I'm having this issue</p>
  
  <p>In my form, I'm trying to make required some fields but it is not working.</p>
  
  <pre><code>&lt;%= f.input :name, required: true, label: false, placeholder: "Name", input_html: {class: "form-control"} %&gt;
  </code></pre>