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Canonical AI event

New API features added in version 3.87.0

Version 3.87.0 includes delegation controls and prompt cache lifetimes.

26 Oct 20261 verified claims1 sources1 observations
What happened

The official source reports this update: v3.87.0. 3.87.0 (2026-10-23) Features api: add delegation controls and prompt cache lifetimes ( #1150 ) ( cd6966a )

Why it matters

This official update documents a development concerning v3.87.0. Its practical significance depends on the scope and evidence stated by the source.

What to watch next

Read the official source update and verify its stated scope, evidence and timing before acting on it.

Connected knowledge

Entities affected by this event

Openai Gosubject
Continue this topic
agents-softwareOpenAI's API v3.86.0 changes string instructions to typed unions.23 Oct 2026agents-softwareVersion 3.84.1 of the software fixes race condition in X.509 HTTP/2 transport revalidation.21 Oct 2026agents-softwareCustom voice consent management added in API21 Oct 2026agents-softwareWebSocket recovery options added in version 3.82.019 Oct 2026agents-softwareVersion 3.80.0 adds WebSocket connections for Realtime and Translation.18 Oct 2026agents-softwarev3.81.0 adds ultrafast service tier for Agents18 Oct 2026
Evidence trail

Sources behind the event

OpenAI Go SDK releasesv3.87.0
Editorial presentation

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