If you look on the Apple UK website at the technical specification for the iphone 16e, it says it does still support nano sim as well as esim.https://www.apple.com/uk/iphone-16e/specs/
Concern was raised when I hadn't recieved an receipt from PayPal, I checked my PayPal account and no money has been taken yet. Until it is, I'll be concerned things may stop working.
I chatted with support and pointed them to this thread. Their reply was:"There seems to be some issue from our ends' Our Engineers are working on it, Please bear with us for 2-4 hours." Wait and see I guess, just hope it doesn't mess up the double da...