This release adds 2 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
Affected surfaces
ReleasePort's take
Light signaldeepagents 0.6.0 introduces experimental code execution through a scoped QuickJS runtime and adds stream_events v3 support.
Why it matters: Experimental code execution requires testing in dev before production. Scoped QuickJS runtime provides execution containment; evaluate security implications.
Summary
AI summaryAdded CodeInterpreterMiddleware for experimental code execution and support for version="v3" in stream_events/astream_events.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
`deepagents` now supports code execution and programmatic tool calling through a scoped QuickJS runtime. `deepagents` now supports code execution and programmatic tool calling through a scoped QuickJS runtime. Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Feature | Medium |
Support for `version="v3"` added in `stream_events` / `astream_events`. Support for `version="v3"` added in `stream_events` / `astream_events`. Source: llm_adapter@2026-05-21 Confidence: low |
— |
Full changelog
Features
CodeInterpreterMiddleware: (experimental)deepagentsnow supports code execution and programmatic tool calling through a scoped QuickJS runtime. Install via the optional dependency:deepagents[quickjs].- Support for
version="v3"instream_events/astream_events. Refer to the event streaming guide for details.
Internal maintainers: @sydney-runkle, @vishnu-ssuresh, @ccurme, @mdrxy
Weekly OSS security release digest.
The CVE patches and breaking changes that affected production tools this week. One email, every Sunday.
No spam, unsubscribe anytime.
Share this release
About deepagents
Agent harness built with LangChain and LangGraph. Equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - well-equipped to handle complex agentic tasks.
Related context
Related tools
Earlier breaking changes
- vdeepagents-cli==0.2.0 `deepagents deploy` now targets Managed Deep Agents API; removes `deepagents dev`, `deepagents.toml`, and `--config`/`--dry-run` flags.
Beta — feedback welcome: [email protected]