Thanks for contacting Syncfusion Support.
We have checked the reported query from our side. In latest version, items displays as expected normally in view and items didn’t disappear on scrolling as well. Can you please explain your use case in detail ,
- Whether you have use treeview inside any pages like master detail, carousel or mention custom views if any
- Whether item disappears on any treeview interactions like scrolling , tapping or by default
- Are you trying to change ItemsSource at runtime using events or by commands.
We have attached the tested sample in which treeview loads well in latest version. You can download the sample from following location.
Can you please check attached sample whether the items disappears in our sample also. If no, please share the complete code snippet to reproduce the issue or revert us back with the issue reproducible sample which will help us to analyze query better and provide appropriate solution at our end.