Orders retrieved via the API v6/v7 can include an inaccurate latestdeliverydate or exactdeliverydate.
This issue was discovered yesterday and fixed this morning at 09:20.
For v6 users : this issue has been going on from 26-4 until this morning
For v7 users: this issue has been going on from 6-4 until this morning
For new orders since 09:20 the date is accurately exposed in the API
The fix did not correct the deliverydate for the involved orders, the information in the selling account is correct