Saki

I'm re-opening the ticket because the true reason is, as I wrote on Slack to @isglass: > In EventDrag feature we delete original and create a new element when constrainDragToTimeline...

Perhaps it would be worth to try to reproduce it in vanilla by repeatedly assigning `viewPreset` to the Gantt instance. I doubt it's a bug in a wrapper.

I have re-investigated the showcase and the final conclusion is that the problem stems from partnering the gantts with one of the not-existent. The offending code from the original showcase:...

Yes, unfortunately there's still a bug. We will try to reproduce it without React and subsequently fix.

I have tried to reproduce the problem in an vanilla application w/o any framework and I was successful. I have used `multiple-gantt-charts` demo and replaced the content of `app.js` with:...