- In the left sidebar, click {% ifversion ghes < 3.1 %} Beta {% else %} Optional {% endif %} Features.
{% ifversion ghes < 3.1 %}
{% else %} 
{% endif %} - Next to the {% ifversion ghes < 3.1 %} beta {% else %} optional {% endif %} feature you want to enable for your app, click Opt-in.
