The issue can be replicated with 2016.3.914 version in the following example.
Why is this marked severity low? This would seem to be a pretty big problem.
In the mean time, I was able to work around it with the following JavaScript:
$('.k-plus').click(function (e)
{
$(this).parent().parent().next().toggle();
});
A client called complaining about this issue happening in his application and being reproducible in this online sample.
Why is the this marked closed???? I downloaded the latest internal build (1317) and this is still broken???
I am getting REALLY disappointed in the service that Telerik has been providing lately!
The fix is not part of the latest internal build. It will be included in R1 2017 release, so I would recommend you to wait for R1 2017 release and test your scenario with it.
Most helpful comment
Why is this marked severity low? This would seem to be a pretty big problem.
In the mean time, I was able to work around it with the following JavaScript: