deepagents

vlangchain-quickjs==0.1.0 scope: langchain-quickjs Breaking

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

Published 29d 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

Summary

AI summary

Introduces a new QuickJS runtime implementation backed by quickjs-rs.

Full changelog

This release introduces a new QuickJS runtime implementation backed by
quickjs-rs, replacing the previous interpreter path.

Features

quickjs: add max_ptc_calls budget for ptc calls (#2994) (13f6c2d)
quickjs: add snapshot-based repl persistence between turns (#3064) (c46feed)
quickjs: surface tool exceptions as the original error (#3049) (d96dc8c)
quickjs: use quickjs-rs (#2979) (7491899)

Bug Fixes

quickjs: add ls_code_input_language metadata to eval tool (#3062) (b9bc674)
quickjs: bound console buffering at capture time (#2999) (251e405)
quickjs: handle top-level await in snapshot step (#3161) (b330c22)
quickjs: keep PTC loop and runtime context in _PTCState (#3134) (c70cc5a)
quickjs: per-thread_id Runtimes (#2931) (4021b03)
quickjs: prompt improvements (#2564) (4999c6b)
quickjs: remove ptc command buffering (#3023) (ac1218a)

Changelog

Prior Releases

Versions prior to 0.0.2 were released without release-please and do not have changelog entries. Refer to the releases page for details on previous versions.

Internal maintainers: @sydney-runkle, @vishnu-ssuresh, @hntrl, @jkennedyvz, @ccurme, @eyurtsev, @mdrxy

Breaking Changes

Replaces the previous interpreter path with a new QuickJS runtime implementation backed by quickjs-rs.

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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Related context

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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.