"hide-on-keyboard-open" element remains hidden when keyboard is quickly closed

When I quickly hide the keyboard in iOS, elements with the class “hide-on-keyboard-open” remain hidden. I have tried removing the 400ms delay described in the docs, with no luck. We have gotten around the issue by using an ‘ng-hide’ binding, but I find the plugin class very appealing and would prefer to use it.

I have created a video demonstrating the issue.