Currently when combining shipments (to same email, address, etc.) there is only 1 surviving order number.
The other order numbers are saved and referenced in the product line item, but not a field that can be sent over to another system.
If all lthe order numbers were saved in “internal notes” this would allow other systems to recieve the order numbers and mark them shipped.
New
When combining shipments - add all order numbers to "internal notes"
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