AI Tools
Fix n8n Slack Trigger 401: Add the Signing Secret for n8n 3.0
Fix the n8n Slack Trigger 401 by adding your Slack app signing secret to the n8n credential before the n8n 3.0 upgrade, then re-verify the webhook.
N8n-3.0
AI Tools
How to Re-Enable Chat Hub in n8n 3.0: Restore the Chat Section After Upgrade
n8n 3.0 turns off Chat Hub by default. Re-enable it with N8N_ENABLED_MODULES, verify the Chat section returns, and plan migration before n8n 4.0 removes it.
n8n
How to Run n8n Code Nodes with External Task Runners in Docker
n8n 3.0 deprecated internal task runners. Set up external mode in Docker: the n8nio/runners sidecar compose file, auth token wiring, and Python allowlists.
n8n
How to Fix Deprecated Nodes in n8n Before the 3.0 Upgrade
n8n 2.42.6 blocks saving workflows with deprecated nodes. Find every deprecated node, replace it, and migrate safely before the n8n 3.0 upgrade.
n8n
How to Fix the n8n Code Node Timeout After the 3.0 Upgrade (300s to 60s)
n8n 3.0 cut the Code node timeout from 5 minutes to 60 seconds. Learn to diagnose the timeout, restore the old limit, or restructure long workflows.
n8n
How to Migrate n8n from npm to Docker Before n8n 3.0
Migrate n8n from npm to Docker before n8n 3.0 drops npm support. Back up ~/.n8n, protect the encryption key, and boot a pinned 2.x image first.
n8n
n8n 3.0 Upgrade Guide: The Breaking Changes Checklist Before You Update
Upgrading to n8n 3.0? This checklist covers every breaking change: Docker-only deployment, 35+ removed nodes, security defaults, and a staged upgrade path.