Expo change history: Elevated rate of failed iOS submissions

Expo reported a major incident affecting iOS submissions through EAS Submit, with elevated failures and logs pointing to App Store Connect API 502 responses. It started at 2026-09-21 20:26 UTC and was resolved at 2026-09-21 20:41 UTC (computed duration: 14 min); Expo reported the third-party API was healthy again before resolution.