This release includes breaking changes for platform teams planning a safe upgrade.
✓ No known CVEs patched in this version
Topics
Summary
AI summaryUpdates Bug Fixes, code, and https://github.com/langchain-ai/deepagents/issues/4784 across a mixed release.
Full changelog
Features
- Added plugin marketplace support (#4554).
- Added an “always allow” option to the project MCP approval prompt (#4562).
- Improved
/goalworkflows: criteria generation now runs server-side, YOLO mode auto-accepts criteria, goals complete after satisfied grading, and goal review editing now supportsCtrl+X(#4754, #4784, #4781, #4780). - Reasoning effort now persists across restarts (#4728).
- Added a toast prompting you to re-paste when a chat paste collapses (#4742).
Bug Fixes
- Tool calls awaiting approval are now surfaced correctly (#4739).
- Fixed transcript tail hydration when scrolled to the bottom edge (#4733).
- Kept chat input responsive during MCP viewer
Ctrl+Rreconnects (#4753). - Improved inline free-text prompts by sharing paste handling and matching primary-input
Ctrl+Dbehavior (#4736, #4729). - Fixed local offloaded tool results to use the real filesystem (#4740).
- Cleaned offloaded history when deleting a thread (#4751).
- Removed duplicated content from the system prompt by overwriting the base prompt (#4516).
- Closed subprocess transport during install teardown (#4735).
- Added targeted
uvconstraints for prerelease dependencies (#4744).
Internal maintainers: @johannes117, @hntrl, @aolsenjazz, @ccurme, @mdrxy
Released by: @mdrxy
Git log since deepagents-code==0.1.39This commit history includes changes to this package. Commits are listed newest first.
019489erelease(deepagents-code): 0.1.40 (#4734)cc662f2feat(code): auto-accept/goalcriteria in YOLO mode (#4784)682ce0ffix(code): complete goals after satisfied grading (#4781)641b906feat(code): addCtrl+Xto goal review editing (#4780)9fdd498feat(code): move/goalcriteria generation server-side (#4754)47788edfix(code): clean offloaded history when deleting a thread (#4751)28dc96dfix(code): keep chat input responsive during MCP viewerCtrl+Rreconnect (#4753)dacc8b0test(code): isolate conversation history artifacts (#4750)b0beef1test(code): update sandbox overwrite expectation (#4737)8148724fix(code): surface tool calls awaiting approval (#4739)ffab82afeat(code): add "always allow" to project MCP approval prompt (#4562)36c4024fix(code): targeted uv constraints for dcode prerelease deps (#4744)36051e2fix(code): put local offloaded tool results on the real filesystem (#4740)0187d14feat(code): add plugin marketplace support (#4554)9a6789achore(code): document UI component organization (#4707)2266f58fix(code): deduplicate content from system prompt by overwriting base prompt (#4516)e50e238feat(code): toast to re-paste when a chat paste collapses (#4742)132f9f7style(code): collapse/clearresume hint onto previous-thread line (#4741)625e601fix(code): close subprocess transport on install teardown (#4735)369ec69fix(code): share paste handling with inline free-text prompts (#4736)d8038e3docs(code): define input surface nomenclature in AGENTS.md (#4738)8a6963bfix(code): match primary-inputCtrl+Dbehavior in inline free-text fields (#4729)c584dcffeat(code): persist reasoning effort across restarts (#4728)02a2461fix(code): hydrate transcript tail when scrolled to the bottom edge (#4733)
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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.
Related context
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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.
Beta — feedback welcome: [email protected]