Hi, I too requested the Oreo beta on Tuesday and have just received the update today; 19/12/2017. It's possible that Nokia are rolling out the Oreo beta region by region, so it might take some time.
Hi! Glad to hear you've now received it scouser73. Thanks for your patience!
user1513208705790, are you still waiting? If you check for updates now, does it show up?