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Fix Linear → Slack Sync Issues (Not Working, Errors, Duplicates)

Q: Engineer says 'I fixed that bug', but Support never told the customer because the Slack thread died.

Fix: Use Relay.app. Trigger: Linear Issue 'Done'. Action: Find original Slack Thread -> Reply 'Fixed in v2.4'.. Estimated time: 30 minutes.

🔧 1 Common Issues

Diagnose and resolve common sync problems. We've documented the 1 most common issues, their root causes, and exactly how to fix them. See step-by-step fixes for duplicates, missing fields, rate limit errors, and connection issues.

medium High Frequency

Engineer says 'I fixed that bug', but Support never told the customer because the Slack thread died.

Also searched as: "Linear Slack engineer says 'i fixed that bug', but support never told the customer because the slack thread died."

#1 Linear Comments don't sync to Slack Threads 90% likely

📋 How to Diagnose

1. Integration posts 'Issue Created'.
2. It rarely posts 'Issue Completed' back to the specific thread where it was reported.

✓ Solution

Use Relay.app. Trigger: Linear Issue 'Done'. Action: Find original Slack Thread -> Reply 'Fixed in v2.4'.

⏱️ Est. time: 30 min

Use A2X → ->

View Setup Guide

Ready to automate? We have a template for you.

Copy this Linear → Slack blueprint, open Make.com, paste it into the canvas, and your workflow is ready to configure.

linear-slack-blueprint.json

{
  "name": "Linear → Slack Sync",
  "flow": [
    {
      "id": 1,
      "module": "linear:WatchIssues",
      "version": 1,
      "parameters": {},
      "mapper": {},
      "metadata": {
        "designer": {
          "x": 0,
          "y": 0
        },
        "restore": {},
        "expect": [
          {
            "name": "body",
            "type": "text",
            "label": "Body"
          }
        ]
      }
    },
    {
      "id": 2,
      "module": "slack:PostMessage",
      "version": 1,
      "parameters": {},
      "mapper": {},
      "metadata": {
        "designer": {
          "x": 300,
          "y": 0
        }
      }
    }
  ],
  "metadata": {
    "instant": false,
    "version": 1,
    "scenario": {
      "roundtrips": 1,
      "maxErrors": 3,
      "autoCommit": true,
      "sequential": false
    }
  }
}

Download .json

Open Make.com ->