Hi!
After update plumsail 2.0.4 the autocomplete on my text file type user (from active directory) works differently.
In first time when I digit one character the autocomplete start immediatly, after update 2.0.4 It starts after 3 characters digit.
The Person or Group field in Plumsail Forms works as the default SharePoint field. I've tested the search in the default form and this is how it works: