Breaking:payload field on event update endpoints now enforces stricter validation — string payloads require minLength: 2 and object payloads require minProperties: 1; affects POST /v1/erp/updates/events, POST /v2/erp/updates/events, and POST /v3/erp/updates/events
New warnings array was added to mapping simulation responses (POST /v1/erp/updates/mapping_simulation, POST /v2/erp/updates/mapping_simulation), reporting validation issues about the configuration such as unique ID fields referencing non-indexed attributes