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

🔧 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. 1. Integration posts 'Issue Created'.
  2. 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

Step 1: Try the Official Integration

Direct connection

Start with the native integration if available. It's usually the most reliable, but may have limitations.

View Setup Guide

Free with your subscription

Step 2: Use Make for Custom Flows

No code automation

Create custom integration workflows with Make's visual designer. It works with almost any API.

Try Make Free →

1000 ops/mo free. No credit card.

Step 3: Self-Hosted with n8n

Full data control

Need complete data privacy? n8n is open-source and self-hostable. Build custom integrations with full control over your data.

Try n8n Free →

Open source. Self-host or cloud. Unlimited ops.

Step 4: Add Human Review

Approval automation

Relay adds human-in-the-loop approvals, Slack/Teams alerts, and conditional logic to your automation.

Try Relay Free →

1000 actions/mo free. No credit card.