n8n 3.0 removes the Function node, and published workflows stop activating

n8n 3.0.0 shipped as a beta on 27 October, stable lands in early December, and it is an operational release rather than a feature release. Around three dozen legacy nodes go away, including Function, Function Item, Item Lists, Cron and Interval. The dangerous sentence is in n8n's own docs: "Workflows that use a removed node fail when they run. If such a workflow is published, it doesn't activate when n8n 3.0 starts, so its triggers stop firing." No red execution. No retry. No email. The workflow is simply not active, and you find out from a customer. The mapping Removed in 3.0 Use instead ----
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