Version of n8n that has new AI agent features?

Which version of n8n supports the AI features in the 'Building AI Agents in n8n Somehow Got Easier (as a beginner)' video? I mean the button that tells the Gmail node to automatically figure out the values via 'Defined automatically by the model'. My version doesn't have it. The feature is discussed in the video here: https://youtu.be/TfqioNAP1W4?t=139

I'm using the community edition 1.75.2 on Railway.

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