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Release note 2.5.0 desiree (#4140)

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Co-authored-by: Kartik Balasubramanian <22399046+HumanistSerif@users.noreply.github.com>
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@@ -99,7 +99,37 @@ View the [commits](https://github.com/n8n-io/n8n/compare/n8n@2.4.0...n8n@2.5.0)
This release contains bug fixes.
<div class="n8n-new-features" markdown>
### **Chat node: human-in-the-loop actions**
The **Chat** node now includes two new Actions for human-in-the-loop interactions in agentic workflows:
- **Send a message**: send a message to the user and continue the workflow
- **Send a message and wait for response**: send a message and pause execution until the user replies. Users can respond with free text in the Chat or by clicking inline approval buttons, as defined in the node’s configuration.
These Actions can be used as deterministic workflow steps or as tools for an **AI Agent**, enabling multi-turn human interaction within a single execution when using the **Chat Trigger**.
When used as an agent tool, the agent can ask for clarification before proceeding, helping it better interpret user intent and follow instructions. Agents can also send updates during long-running workflows using these Actions.
### **How to**
1. Trigger your workflow with the **Chat Trigger** node. In the node parameters, add the *Response Mode* option and set it to *Using Response Nodes*.
2. Add a **Chat** node later in the workflow, or add it as a tool for an **AI Agent**. Select one of the following operations: *Send a message* or *Send a message and wait for response*.
### **Keep in mind**
- If you want an AI Agent to choose between sending a message or waiting for input, add two **Chat** tool nodes, one for each action.
- For AI Agents triggered by the **Chat Trigger** node, adding **Send a message and wait for response** is recommended so the agent can request clarification when needed.
Learn more in the [Chat node documentation](https://docs.n8n.io/integrations/builtin/core-nodes/n8n-nodes-langchain.chat/#operation).
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<video src="/_video/release-notes/ChatHITL.webm" controls
width="100%"></video>
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### Contributors
[AbdulTawabJuly](https://github.com/AbdulTawabJuly)