Parameter 'dimensions' removed from GET /observability/timeseries

What changed

Parameter 'dimensions' removed from GET /observability/timeseries Affected surface: GET /observability/timeseries. Root cause: parameter `dimensions@query`. Detected at Thu, 21 May 2026 00:35:33 UTC UTC.

Diff

{
  "parameter_in": "query",
  "parameter_name": "dimensions",
  "path": "GET /observability/timeseries"
}

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

Remove the parameter from your callers — passing it now produces an error or is silently ignored depending on the provider.