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OpenAI Agents SDK v0.19.4

OpenAI Agents SDK v0.19.4
Primary source github.com ↗

Published August 5, 2026 · Category: AI Agents

Overview

What's Changed

  • fix: preserve completed tool guardrail results by @seratch in #4180
  • fix: redact invalid tool argument errors by @seratch in #4182
  • fix: defer non-stream session saves until output guardrails by @seratch in #4184
  • fix: honor resolved status before policy checks by @seratch in #4183
  • fix: cancel sibling work after concurrent failures by @seratch in #4185
  • fix: surface non-streaming content-filter refusals by @seratch in #4188
  • fix(mcp): derive streamable HTTP retry backoff from backoffs taken by @rxits in #4174
  • fix(realtime): clean up failed connection attempts by @seratch in #4189
  • fix(tracing): mark non-streaming agent span failures by @seratch in #4191
  • fix(sandbox): enforce token output budgets by @cosin2077 in #3934
  • fix(sandbox): single-flight cached dependency factories by @seratch in #4178
  • fix(sessions): enforce closed state in MongoDBSession by @seratch in #4176
  • fix(sessions): preserve repeated history provenance by @seratch in #4181
  • fix(sessions): skip conversation creation on empty add_items by @seratch in #4190
  • fix(sessions): reject reused branch IDs when creating a branch by @seratch in #4186
  • fix(extensions): preserve streamed provider thinking blocks by @seratch in #4177

Documentation & Other Changes

  • perf: speed up the test suite by @seratch in #4171
  • test: make parallel guardrail overlap deterministic by @seratch in #4187
  • test: make async tool and guardrail tests deterministic by @seratch in #4192
  • test: make parent cancellation tests deterministic by @seratch in #4193
  • Release 0.19.4 by @github-actions[bot] in #4194

New Contributors

Full Changelog: v0.19.3...v0.19.4

Source

Originally published at github.com.

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