{"type":"post","id":"deep-agents-js-1-16-0-lets-async-bcc793","slug":"deep-agents-js-1-16-0-lets-async-bcc793","title":"Deep Agents JS 1.16.0 lets async subagents wake the agent that launched them","description":"Deep Agents JS 1.16.0 adds experimental notifications from asynchronous subagents to the agent that launched them.","retrieval_nugget":"Deep Agents JS 1.16.0 adds experimental notifications from asynchronous subagents to the agent that launched them. Rather than repeatedly polling for a child task’s state, a parent can receive an event when that task finishes, fails, is cancelled, or pauses for human input. For builders, this makes a multi-agent workflow’s control flow more explicit.","published_at":"2026-10-28","updated_at":"2026-10-28","record_date":"2026-10-28","date_kind":"published_at","topics":["agent-loops","automation"],"entities":["LangChain","Deep Agents JS","AsyncSubAgent","createCompletionCallbackMiddleware"],"related_patterns":["goal-scoped-loops-replace-manual-continuation","harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Deep Agents JS 1.16.0 adds async subagent notifications that wake the launching agent, a capability not covered by the prior Managed Deep Agents releases.","prior_refs":["memory:ca0793ad-d456-8559-afed-6b024977bb12","memory:33d07d5a-58e9-8cf5-a9c5-3fbf3454d2a3","memory:54ffe11b-6793-8fab-a8de-c89d0614571a"],"source_url":"https://github.com/langchain-ai/deepagentsjs/releases/tag/deepagents%401.16.0","source_urls":["https://github.com/langchain-ai/deepagentsjs/releases/tag/deepagents%401.16.0"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:deep-agents-js-1-16-0-lets-async-bcc793","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/deep-agents-js-1-16-0-lets-async-bcc793/","markdown":"https://newruntime.com/posts/deep-agents-js-1-16-0-lets-async-bcc793.md","json":"https://newruntime.com/posts/deep-agents-js-1-16-0-lets-async-bcc793.json"},"next_reads":[{"type":"topic","path":"/topics/agent-loops/","url":"https://newruntime.com/topics/agent-loops/","title":"Agent Loops","reason":"Explore the agent-loops topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-loops.md","json_url":"https://newruntime.com/topics/agent-loops.json"},{"type":"topic","path":"/topics/automation/","url":"https://newruntime.com/topics/automation/","title":"Automation","reason":"Explore the automation topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/automation.md","json_url":"https://newruntime.com/topics/automation.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}