Refresh and Refresh data taking huge time

[DevendraPatidar02]

hi All,
as in my usage i am having more then 10000 items as option in multi select Check box list ,
refresh method taking near about 8 to 10 seconds to refresh on UI which hangs the UI .

Please suggest on the same .

Thanks :)

[DurkStrooisma]

I faced the same issue and created a work-around for this. I'm just unable to create a pull request for this because of: Issue #18