disable fast checkout in 1.4.0

[Basara]

i think you are right. i didn't configured them correctly because they are not convenient for me. i just realized that Pickup From Store causing the automatic generation for address each placed order.  is there any solution or i shouldn't use it anymore?

The issue has been identified, and our team is actively working on a solution. https://github.com/abantecart/abantecart-src/issues/1715