Not having used the plugin as it was not available at the time, I may have misunderstood what it did and caused a confusion with my phrase “convert the shortcodes”
It looks like you may not have to run a conversion and that the plugin just takes care of the compatibility without making any changes to the shortcodes.
@weaver can you confirm if this plugin requires no action and just makes the shortcode whatever they are compatible. If not can you detail how to use it as I did not find anything either