# @openai/agents-extensions@0.21.0

Category: agent-infrastructure
Published: 2026-10-20T22:07:32Z
Source: [OpenAI Agents SDK JavaScript releases](https://github.com/openai/openai-agents-js/releases/tag/%40openai/agents-extensions%400.21.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-20T22:17:54.512Z
Tags: openai, agents-sdk, typescript

## Human Summary
OpenAI Agents SDK JavaScript releases published @openai/agents-extensions@0.21.0. Minor Changes - 7b05470: feat: Remove the Runloop sandbox provider and its public API; see the migration guide (https://github.com/openai/openai-agents-js/tree/main/examples/sandbox/extensions migrating-from-runloop) for supported alternatives. Patch Changes - 4521cf5: fix:…

## Agent Summary
Treat @openai/agents-extensions@0.21.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
OpenAI Agents SDK JavaScript releases published @openai/agents-extensions@0.21.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Minor Changes - 7b05470: feat: Remove the Runloop sandbox provider and its public API; see the migration guide (https://github.com/openai/openai-agents-js/tree/main/examples/sandbox/extensions migrating-from-runloop) for supported alternatives. Patch Changes - 4521cf5: fix: refresh WebSocket dependencies and development tooling. - 980423f: fix: preserve Twilio audio format defaults when session audio configuration is omitted ( 2072). - Updated dependencies 989513a - Updated dependencies 7b05470 - Updated dependencies 976579e - @openai/agents-core@0.21.0

## Recommended actions
- Review the official OpenAI Agents SDK JavaScript releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.