Change Managed Metadata column to allow multiple selection on sharepoint did not reflect on power ap

I have 5 managed metadata site columns inside my SharePoint list. and when i customize the list New form using power app, the managed metadata columns were allowing single selection. now inside sharepoint site column i modify the managed metadata site column to allow multiple selection, but this was not reflexcted inside PowerApp Create form. and idea? as i test i changed the "Update" from "Selected" to "SelectedItems" but did not have any effect.