openai-python v3.20.0: Agents credentials and Responses WebSocket updates
openai-python v3.20.0 released 2026-09-28; adds Agents credential/session options, Cyber access programs for Responses, opt-in incremental WebSocket snapshots, plus live/realtime bug fixes and API docs updates.
What changed
Added Agents credential and session options; added Cyber access programs to Responses; opt-in incremental WebSocket text and tool snapshots; preserved detailed WebSocket accumulator snapshots; live/realtime bug fixes and API docs updates.
Why it matters
Developers building live agents or streaming Responses can expect clearer authentication and session control plus finer-grained WebSocket outputs to help integration and debugging.
Who should care
DevelopersEnterprises
Worth trying
Yes — upgrade if you use Agents or Responses with WebSockets