We have recently implemented Share Point list form (Power Apps) to automate internal approval process. After receiving of a notification via Teams an approver is able to access SharePoint list form via link and check the request details. From time to time an approver sees attachments from a different previously submitted request instead of the actual data related to submitted list item. At the same time other participants and initiator can see proper data while accessing the same list item.
It is not happening all the time and list page refresh solves the issue. However approvers get confused and sometimes reject requests thinking that wrong attachments have been applied by initiator. An important point is that wrong attachments which appear in the form are always from the very first list item.
We have already tried recommendation below but it didn't fix in our case: