After the major version update (I’m on 2.3.6 now), my Python code is gone. So when i go into a Code node which uses Python the “python” parameter is highlighted in red, as apparently the correct param value is “Python” now. The bad thing: When i select “Python” from the drop down I only see the cod…

I think this is fixed in v2.5 as per: [image] Urgunet help needed. Pyodide code is gone and not visible after updating to v2.3.5 Questions New version n8n@2.5.0 got released which includes the GitHub PR 24511 .

Hi, there! In n8n v2, existing Python code is not automatically migrated. Selecting “Python” again initializes a new task runner with the default example code. Unfortunately, there is currently no supported way to recover or auto-convert the old Python code after the upgrade. Restoring from a bac…

Wow! Thanks for the reply. Fortunately I found a backup and was able to copy paste the Python code. I would expect a more prominent warning about this behaviour.

Thanks for the notice. I’ll update then directly to this version.

I made an account just to say that this was a terrible way to execute an upgrade from n8n. Even had there been a warning, there should have been some way to save the old code somewhere so I can figure out exactly what it is doing and make a new version. Instead, the code is just deleted with no war…

Updated solution for Cloud users (like me): Since downgrading the version is not possible, the support bot suggested: You can try to recover your workflows by downloading your latest backup: Log in to your n8n Cloud dashboard. Navigate to the Admin Dashboard, then open the Manage section. …

Yeah migrating was painful for this one. For Cloudron users: in future versions the update worked with the Python code being persistent, but the Python execution engine was gone. So also it’s not possible to use Python in the Cloudron setup (currently). So ended up: restoring backup to save Python…

Python Code gone after Update to v2.x

Questions

mohamed3nan January 21, 2026, 2:45pm 4

I think this is fixed in v2.5 as per:

Disappearing Python in Code Node

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Python Code gone after Update to v2.x

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