Tracker›Changelog›2026-08-31-stream-beacon-banner-info-und-2-added

New stream event types: beacon_banner_info, beacon_ui_response, primary

observedstructure · stream2026-08-31-stream-beacon-banner-info-und-2-added

Instrument state: Schema 15 · v2 · Bookmarklet 2.7 · measure · gpt-5-6

Evidence

After
{
  "sse_event_types": [
    "beacon_banner_info",
    "beacon_ui_response",
    "primary"
  ]
}
Breadth
1/33 prompts · local
Modes
instant
Measuring days
31 Aug 2026 · 1 field diffs in events.jsonl
Raw data excerpt (K11-01__instant, 2026-08-31)
{
  "har.sse_event_types": [
    "beacon_banner_info",
    "beacon_ui_response",
    "conversation_detail_metadata",
    "event:delta",
    "event:delta_encoding",
    "grouped_webpages",
    "hidden",
    "input_message",
    "message_marker",
    "message_stream_complete",
    "primary",
    "resume_conversation_token",
    "search_model_queries",
    "search_result",
    "search_result_group",
    "server_ste_metadata",
    "sources_footnote",
    "stop",
    "title_generation",
    "url",
    "url_moderation"
  ]
}

Daily data of 31 Aug 2026 →

Context

stream/beacon-banner-info stream/beacon-ui-response stream/primary

Impact

No evidenced impact.

Status history

31 Aug 2026observed