# @openai/agents-core@0.19.0

Category: agent-infrastructure
Published: 2026-10-05T16:47:23Z
Source: [OpenAI Agents SDK JavaScript releases](https://github.com/openai/openai-agents-js/releases/tag/%40openai/agents-core%400.19.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-07T10:17:36.956Z
Tags: openai, agents-sdk, typescript

## Human Summary
OpenAI Agents SDK JavaScript releases published @openai/agents-core@0.19.0. Minor Changes - 39d5e9e: fix: bound agent tool streaming callbacks to 1024 pending events by default, with onStreamMaxPendingEvents to adjust the limit or restore unlimited buffering with null. - f0f3066: fix: reject started checkpoints without completed initial input validation,…

## Agent Summary
Treat @openai/agents-core@0.19.0 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-core@0.19.0. 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 - 39d5e9e: fix: bound agent tool streaming callbacks to 1024 pending events by default, with onStreamMaxPendingEvents to adjust the limit or restore unlimited buffering with null. - f0f3066: fix: reject started checkpoints without completed initial input validation, including older snapshots without completion evidence; restart with the original input and context. - aeef9e1: fix: bind resumed MCP calls to their original recipients and require a fresh run for historical pending function calls without recipient provenance. - 39decd7: fix: bind conditional tool approvals to isolated normalized execution input in core and Realtime, re-evaluate current policies on durable approval resumes, reject uncopyable normalized values before conditional approval, and preserve invalid-input handling ( 1914, 1915). - 3515c29: fix: redact default function-tool and Realtime approval parse…

## 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.