Welcome to the JavaScript feedback portal. We’re happy you’re here! If you have feedback on how to improve the JavaScript, we’d love to hear it!
Thanks for joining our community and helping improve Syncfusion products!
I created an incident:
https://www.syncfusion.com/support/directtrac/incidents/268281
The response was to use that example, I tried to use it but when I double click on a task, add a new dependency, nothing is reflected on the gantt(the issue there is fixed, but when you need to add a new dependency it does not work), I saw that in your example are using 18.1.36-beta, and I was using the version 17.4.51 and this doesn't work. I downloaded the service pack 17.4.0.46 and doesn't work too.
The bug in that incident was because we were using version: 17.3.28, but now that we updated the problem is with adding a new one