New required fields added in schema webhook-pull-request-unassigned: [sender]

What changed

New required fields added in schema webhook-pull-request-unassigned: [sender] Affected surface: schema webhook-pull-request-unassigned. Root cause: schema `webhook-pull-request-unassigned`. Detected at Thu, 03 Sep 2026 06:57:32 UTC UTC.

Diff

{
  "added_required": [
    "sender"
  ],
  "path": "schema webhook-pull-request-unassigned",
  "schema_path": "schema webhook-pull-request-unassigned"
}

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

Add the new required field to all request payloads or arguments. Requests omitting it will be rejected.