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The LangChain Team

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Message and thread activity, newest first. LinkedIn/X events can drop into the same contract later.

Mar 3, 2026

gmailemailMar 3, 2026, 9:12 PM

[February] Interrupt 2026, Sandboxes, Production Monitoring for Agents, and more

LangChain's latest product updates, upcoming events, and use cases ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏

[February] Interrupt 2026, Sandboxes, Production Monitoring for Agents, and moregmail thread

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Dec 23, 2025

gmailemailDec 23, 2025, 9:51 AM

[December] State of Agent Engineering, LangSmith Polly, and Debugging Voice Agents

LangChain's latest product updates, upcoming events, and use cases As the year winds down, we're wrapping up with some gifts under the tree 🎁. This month, we shipped new LangSmith capabilities

[December] State of Agent Engineering, LangSmith Polly, and Debugging Voice Agentsgmail thread

LangChain's latest product updates, upcoming events, and use cases As the year winds down, we're wrapping up with some gifts under the tree 🎁. This month, we shipped new LangSmith capabilities

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Dec 18, 2025

gmailemailDec 18, 2025, 6:18 PM

Introduction to LangChain – new LangChain Academy course

Learn to build and debug an agent We're excited to announce a new LangChain Academy Foundation course: Introduction to LangChain (Python). LangChain makes it easy to start building agents with any

Introduction to LangChain – new LangChain Academy coursegmail thread

Learn to build and debug an agent We're excited to announce a new LangChain Academy Foundation course: Introduction to LangChain (Python). LangChain makes it easy to start building agents with any

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Dec 2, 2025

gmailemailDec 2, 2025, 5:59 PM

[November] Agent Builder beta, Deep Agents, and see you at re:Invent!

LangChain's latest product updates, upcoming events, and use cases We've wrapped up November with a full harvest: our no-code agent builder is now in public beta, and we've shipped more

[November] Agent Builder beta, Deep Agents, and see you at re:Invent! gmail thread

LangChain's latest product updates, upcoming events, and use cases We've wrapped up November with a full harvest: our no-code agent builder is now in public beta, and we've shipped more

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Nov 13, 2025

gmailemailNov 13, 2025, 5:49 PM

Test and improve your agent – new LangChain Academy course

Learn to observe, evaluate, and deploy your agent Testing applications is essential to the development lifecycle, but LLM systems are non-deterministic – you can't always predict how they will

Test and improve your agent – new LangChain Academy coursegmail thread

Learn to observe, evaluate, and deploy your agent Testing applications is essential to the development lifecycle, but LLM systems are non-deterministic – you can't always predict how they will

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Oct 31, 2025

gmailemailOct 31, 2025, 5:02 PM

[October] LangChain & LangGraph 1.0s, Insights Agent, a new no code agent builder, and more

LangChain's latest product updates, upcoming events, and use cases This month, we're bringing you treats (not tricks!) with LangChain 1.0 and LangGraph 1.0, our first major stable open source

[October] LangChain & LangGraph 1.0s, Insights Agent, a new no code agent builder, and more gmail thread

LangChain's latest product updates, upcoming events, and use cases This month, we're bringing you treats (not tricks!) with LangChain 1.0 and LangGraph 1.0, our first major stable open source

Participants: Linda from LangChain, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Oct 27, 2025

gmailemailOct 27, 2025, 3:55 PM

Launch Week recap: Everything we shipped for agent engineering

Look back on LangChain's biggest launch week yet, including OSS and LangSmith updates Last week was LangChain's 3rd birthday – and naturally, we had to celebrate it with the most product

Launch Week recap: Everything we shipped for agent engineeringgmail thread

Look back on LangChain's biggest launch week yet, including OSS and LangSmith updates Last week was LangChain's 3rd birthday – and naturally, we had to celebrate it with the most product

Participants: Linda at LangChain, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Oct 21, 2025

gmailemailOct 21, 2025, 5:55 PM

LangChain raises $125M to build the platform for agent engineering

LangChain's Series B announcement 🎉 Today, we're announcing we've raised a $125M Series B at a $1.25B valuation to build the platform for agent engineering – used by incredible customers

LangChain raises $125M to build the platform for agent engineeringgmail thread

LangChain's Series B announcement 🎉 Today, we're announcing we've raised a $125M Series B at a $1.25B valuation to build the platform for agent engineering – used by incredible customers

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Sep 30, 2025

gmailemailSep 30, 2025, 3:23 PM

[September] Middleware in LangChain 1.0 alpha and designing agent runtime

LangChain's latest product updates, upcoming events, and use cases This month, we're introducing middleware in LangChain 1.0 alpha for fine-grained agent control. We're also sharing how we

[September] Middleware in LangChain 1.0 alpha and designing agent runtimegmail thread

LangChain's latest product updates, upcoming events, and use cases This month, we're introducing middleware in LangChain 1.0 alpha for fine-grained agent control. We're also sharing how we

Participants: Linda from LangChain, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Sep 18, 2025

gmailemailSep 18, 2025, 4:25 PM

Build your own Deep Agent – New Academy Course

Learn to build agents for complex, long-running tasks Many agents today follow the same simple pattern: run in a loop, call tools. That architecture works well enough, but it breaks down as tasks get

Build your own Deep Agent – New Academy Coursegmail thread

Learn to build agents for complex, long-running tasks Many agents today follow the same simple pattern: run in a loop, call tools. That architecture works well enough, but it breaks down as tasks get

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Sep 3, 2025

gmailemailSep 3, 2025, 4:19 PM

[August] Deep Agents, OpenSWE, 1.0 alphas, and global meetups

LangChain's latest product updates, upcoming events, and use cases To close out the summer, we've got a few updates — from alpha releases for LangChain 1.0 and LangGraph 1.0, to global meetups

[August] Deep Agents, OpenSWE, 1.0 alphas, and global meetupsgmail thread

LangChain's latest product updates, upcoming events, and use cases To close out the summer, we've got a few updates — from alpha releases for LangChain 1.0 and LangGraph 1.0, to global meetups

Participants: Linda at LangChain, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Aug 14, 2025

gmailemailAug 14, 2025, 4:55 PM

Build a Deep Research Agent – New Academy Course

Learn to build multi-agent research workflows Deep research agents are taking off – from major AI labs to companies building their own. Research is inherently open-ended. You can't always predict

Build a Deep Research Agent – New Academy Coursegmail thread

Learn to build multi-agent research workflows Deep research agents are taking off – from major AI labs to companies building their own. Research is inherently open-ended. You can't always predict

Participants: The LangChain Team, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

Aug 1, 2025

gmailemailAug 1, 2025, 6:19 PM

[July] LangChain Academy Live, Context Engineering, and 6-step method for how to build an agent

LangChain's latest product updates, upcoming events, customer stories, and use cases As summer hits its stride, we're rolling out new tools, tutorials, and events to help you build reliable

[July] LangChain Academy Live, Context Engineering, and 6-step method for how to build an agentgmail thread

LangChain's latest product updates, upcoming events, customer stories, and use cases As summer hits its stride, we're rolling out new tools, tutorials, and events to help you build reliable

Participants: Linda at LangChain, hello@langchain.dev, shubhctw@gmail.com
Messages: 1

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