The first Special Issue of Behavioural Processes on timing “Interval timing: is there a clock,” edited by Jennifer Higa, was published over six years ago now. There has been substantial activity in the field since then, which prompted our decision to organize a new Special Issue. In putting together “Interval timing: the current status,” my goal has been to represent the field today. What issues drive the imagination of researchers? What are the controversies? What are new developments?