Parameter 'update_mask' type changed from '' to 'array' in PATCH /rest/v2/affiliates/commissionPrograms/subscriptionCommissionPrograms/{commission_program_id}

What changed

Parameter 'update_mask' type changed from '' to 'array' in PATCH /rest/v2/affiliates/commissionPrograms/subscriptionCommissionPrograms/{commission_program_id} Affected surface: PATCH /rest/v2/affiliates/commissionPrograms/subscriptionCommissionPrograms/{commission_program_id}. Root cause: parameter `update_mask@query`. Detected at Thu, 04 Jun 2026 03:58:59 UTC UTC.

Diff

{
  "current_value": "array",
  "parameter_in": "query",
  "parameter_name": "update_mask",
  "path": "PATCH /rest/v2/affiliates/commissionPrograms/subscriptionCommissionPrograms/{commission_program_id}",
  "previous_value": ""
}

Likely impact

Existing integrations relying on this surface will fail or behave incorrectly. Treat this as a release-blocker until the recommended action below is applied.

Recommended action

Audit serialization on both sides. Type changes break payloads silently more often than loudly — catch this in a contract test before it hits production.