Very Important PSA: Three new films from the Harry Potter universe are coming your way. This is not a drill, people – though rumours have been circulating for a while, it was officially announced by the Warner Bros. CEO yesterday. So we’ll just give you a minute to take. That. In.

[Breathes]

Ready? OK. Here’s your cheat-sheet, in less time than it takes to say ‘Rita Skeeter 2.0’…