{"slug": "additive-openai-request-property-stream-options-added", "title": "[Additive] OpenAI: Request property stream_options added", "summary": "OpenAI's published API specification now includes a stream_options property on CreateAgentSessionParams, a field that was previously absent, according to an additive change notice from the API tracking service. The change affects code that sends CreateAgentSessionParams objects, which are used by 1 OpenAI operation, and the notice states no action is needed unless it is required.", "body_md": "## What changed\n\nNo action needed unless it is required.\n\nAffects `CreateAgentSessionParams` reachable from 1 operation.\n\n## Who is affected\n\nCode that sends OpenAI's CreateAgentSessionParams objects, used by 1 OpenAI operation.\n\n## Before and after\n\n| Where | Before | After | \n|---|---|---|\n| CreateAgentSessionParams.stream_options | absent | present | \n\nBased on OpenAI’s published API specification. [How severity is decided](https://driftwatch.et/method).", "url": "https://wpnews.pro/news/additive-openai-request-property-stream-options-added", "canonical_source": "https://driftwatch.et/changes/openai-2026-11-04-ac670157", "published_at": "2026-11-04 18:39:47+00:00", "updated_at": "2026-11-04 20:49:41.472439+00:00", "lang": "en", "topics": ["artificial-intelligence", "ai-agents", "developer-tools"], "entities": ["OpenAI", "CreateAgentSessionParams", "stream_options"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/additive-openai-request-property-stream-options-added", "markdown": "https://wpnews.pro/news/additive-openai-request-property-stream-options-added.md", "text": "https://wpnews.pro/news/additive-openai-request-property-stream-options-added.txt", "jsonld": "https://wpnews.pro/news/additive-openai-request-property-stream-options-added.jsonld"}}