platform · inferred from evidence
Magento Cloud
A hosted environment for Magento deployments referenced in the issue context.
- 503 Service Unavailable on Fastly Magento2 admin endpoints (Edge Dictionary ListAll)
How to fix: 503 Service Unavailable on Fastly Magento2 admin endpoints (Edge Dictionary ListAll). The module's admin XHR calls tripped over Magento Cloud session handling, producing intermittent 503s from Varnish on the Fastly admin endpoin