Does not seem to work with ACF 5

Hi there, I had the same problem until this morning I added a Rule to the custom field group “Show this field group if” > Widget > is equal to > Widget & the ACF group appeared in the Widget’s select box.

Screenshot: https://i.imgur.com/6JmiqEu.png

Please note, this plugin is adopted into ACF5.

See my guide how to use the internal widget option in ACF5:

https://www.directbasing.com/resources/wordpress/advanced-custom-fields-widget/#create-kick-ass-widgets-with-acf