# clm_0EA6E7C071BF

subject: OpenAI (/record/openai.md)  
predicate: feature_added  
value: item history for individual root-agent turns  
valid_from: 2026-10-02  
valid_to: null  
published: 2026-10-02  
recorded: 2026-11-06  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-06  
cite: AsOf. "OpenAI feature added: item history for individual root-agent turns", as of 2026-10-02. Claim clm_0EA6E7C071BF, https://asof.is/claim/clm_0EA6E7C071BF, accessed 2026-11-08. Source: https://developers.openai.com/api/docs/changelog#2026-10-02.  
checked: 2026-11-06 · its source page states the value and the date  

> Oct 2 Feature v1/agents/sessions Added item history for individual root-agent turns in the Agents API public beta.

What https://developers.openai.com/api/docs/changelog#2026-10-02 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2026-10-02 (primary, OpenAI, published 2026-10-02)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
