Yeah, Apple has spent 3 years each on the 5nm and 3nm nodes with TSMC. There are some reports [1] that it will jump to 1.4nm after 2 years due to AI but there's no real proof. The source is Digitimes who are frequently wrong with their predictions and rumors.

[1] https://wccftech.com/apple-to-move-to-1-4nm-process-soon-to-...