Added to the latest version (21.11.77).
Both receipts and payments have new Fixed total field.
When importing bank statements, this field will be automatically checked and transaction total filled in. This will make sure receipt and payment total will be always this amount even if split total on transaction lines is different.
If fixed total amount does not match split total amount, the difference will show in Out of balance field.
Out of balance amount will be posted to Suspense account. Similar how we handle out of balance journal entries.