deepagents

vlangchain-quickjs==0.3.4 scope: langchain-quickjs Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 2d AI Agents & Assistants

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✓ No known CVEs patched

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✓ No known CVEs patched in this version

Topics

ai deepagents langchain langgraph python typescript

Affected surfaces

deps

Summary

AI summary

Updates Bug Fixes, code, and langchain-quickjs across a mixed release.

Full changelog

Features

code: add Claude Opus 5 support (#5049) (c0afec5)

Bug Fixes

quickjs: raise minimum quickjs-rs version to 0.2.5 (#5059) (794513b)

Internal maintainers: @nick-hollon-lc, @hntrl, @davibinboi, @mdrxy

Released by: @hntrl

Git log since langchain-quickjs==0.3.3

This commit history includes changes to this package. Commits are listed newest first.

196a087 release(langchain-quickjs): 0.3.4 (#5051)
794513b fix(quickjs): raise minimum quickjs-rs version to 0.2.5 (#5059)
c0afec5 feat(code): add Claude Opus 5 support (#5049)
9340518 feat(sdk,code,quickjs)!: make the ToDoListMiddleware list opt-in (#4929)
c7a6180 chore(deps): bump pyasn1 from 0.6.3 to 0.6.4 in /libs/partners/quickjs (#4985)
a8d1b32 feat(sdk,code,quickjs): lean system prompt by default, restorable (#4859)
982611d chore(code): remove redundant goal command footer (#4937)
18679a1 release(deepagents-code): 0.1.42 (#4793)

Breaking Changes

Raise minimum quickjs‑rs version to 0.2.5

View diff on GitHub

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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.

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Earlier breaking changes

vlangchain-quickjs==0.2.0 Removes `skills_backend` capability.
vdeepagents-cli==0.2.0 `deepagents deploy` now targets Managed Deep Agents API; removes `deepagents dev`, `deepagents.toml`, and `--config`/`--dry-run` flags.