generated: '2026-06-20' method: searched source: https://docs.shift4.com/changelog scheme: semver-like (spec version), dated, additive; entries reference internal ticket ids (PPRA/CHECKOUT/DIG) current_version: 1.7.57 current_version_date: '2026-07-20' entries: - version: 1.7.57 date: '2026-07-20' breaking: false highlights: - Added ui.language / ui.mode / ui.suppressAll / ui.suppressFinalResult to Commerce Engine request bodies - Added card.debitType to sale/authorization/refund/manual responses - Added transaction.cardOnFile.transactionLinkId to transaction responses - Payment Links customer-chosen donation amounts; checkout sessions list status filter - version: 1.7.56 date: '2026-07-07' breaking: false highlights: - Added transaction.authSource and transaction.deferredAuth to DELETE /transactions/invoice response - iOS SDK gained Bluetooth Low Energy (BLE) support - version: 1.7.55 date: '2026-07-03' breaking: false highlights: - Added optional lineItems[].product.description to Payment Links create/update - version: 1.7.54 date: '2026-06-29' breaking: false highlights: - Added Payment Links guides and API Reference - version: 1.7.53 date: '2026-05-14' breaking: false highlights: - Commerce Engine On-Premise/Cloud request bodies added to gift card endpoints - Updated Commerce Engine supported devices list - version: 1.7.52 date: '2026-05-07' breaking: false highlights: - Added payment.accountReference to authorization/sale/refund/capture/void responses - Commerce Engine For Cloud structured printing request body for /devices/print