Shopify change history: UPS shipping rates not available at checkout

Some Shopify stores showed no UPS shipping rates at checkout in a major incident from 2019-10-25 14:54 UTC to 2019-10-25 16:10 UTC, lasting 1 h 16 min. Shopify recommended adding other carriers’ rates so customers could complete orders; UPS was working on a solution, and the incident was subsequently marked resolved.