Search for a part in WindChill from within the Creo browser or search pane
Open model from WindChill into Creo
Start Modifying the model and Checkout from Creo
Work on it all day
Come back the next day and it is not in the Recent Files list!
According to PTC, the current functionality for Recent Files does not include those opened from WindChill. This seems more like an oversight than 'not functionality'. Anyway, my only hope now is that this product idea helps convince them to accommodate for this common use-case scenario.