generated: '2026-10-12' method: searched source: https://docs.bigcommerce.com/developer/changelog feed_index: https://docs.bigcommerce.com/developer/changelog/llms.txt scheme: dated release notes entries: - version: '2026-10-09' date: '2026-10-09' breaking: false highlights: - Selected shipping option now matches the available options in createCheckout (Storefront GraphQL fix) - version: '2026-10-08' date: '2026-10-08' breaking: false highlights: - B2B Buyer Portal course updates - version: '2026-10-07' date: '2026-10-07' breaking: true highlights: - Japanese prefecture names now use English spelling (ISO 3166-2:JP); integrations matching states by name must update - version: '2026-10-06' date: '2026-10-06' breaking: false highlights: - Catalyst docs accuracy corrections - version: '2026-10-05' date: '2026-10-05' breaking: false highlights: - Control Panel users can use metafield and EventBridge GraphQL fields with store permissions - version: '2026-10-02' date: '2026-10-02' breaking: false highlights: - Braintree transaction history now reports unsettled refund fallbacks as voids - version: '2026-10-01' date: '2026-10-01' breaking: false highlights: - B2B Edition API reference corrections - version: '2026-09-30' date: '2026-09-30' breaking: false highlights: - Custom quote templates for B2B Edition