- Added MoneyBag *_set fields to tax_summaries/create webhook and tax calculation requests, delivering amounts in both shop and presentment currencies.
- Enabled multi‑currency support for tax partners to calculate and report using the merchant’s accounting currency while retaining customer‑facing currency.
- Extended sale records and cart line cost objects with new *_set fields (e.g., discount_amount_set, tax_amount_set, amount_before_taxes_after_discounts_set).