Detect n8n Workflows Affected by 0.214.3 Migration
Scans your n8n instance for workflows rewired incorrectly during the 0.214.3 upgrade, targeting multi-output nodes like If, Switch, and Compare Datasets. Generates a report via webhook for quick inspection.
This workflow addresses a specific issue from the n8n 0.214.3 upgrade where certain workflows with nodes having multiple outputs (e.g., If, Switch, Compare Datasets) were accidentally rewired. It fetches all workflows using the n8n API, parses their node connections to detect anomalies, and outputs a list of potentially affected workflows and nodes.
To use it, configure the API key in the 'Get all workflows' node, customize the MULTI_OUTPUT_NODES constant for any community nodes with multiple outputs, activate the workflow, and trigger the webhook at /webhooks/affected-workflows. The report displays workflows with bracketed node names for easy identification—click to inspect in a new tab.
Benefits include rapid auditing without manual review, preventing runtime errors, and maintaining workflow integrity post-upgrade. Ideal for n8n instance owners or admins ensuring stability after updates, especially in production environments with hundreds of workflows.
Use cases: Post-upgrade diagnostics, team workflow validation, or integration into maintenance routines for self-hosted n8n instances.
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How to import this workflow into n8n
- 1Purchase or download the workflow to get the n8n workflow JSON file.
- 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
- 3Open each node marked with a credential warning and connect your own accounts and API keys.
- 4Run the workflow once manually to verify the data flow, then toggle it to Active.
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