Until today, this issue is still happening. Some customers don’t receive the eSIM QR code email it happened to me before as well.
The worst part is when the port-in gets triggered over the weekend, and you’re forced to rush down to the service center just to get the QR code.
If you’re doing a port-in with Eight, I strongly suggest going down to their service center to request your QR code directly. Don’t keep waiting if you’ve already checked your junk/spam mail and confirmed there’s no email from them.
https://www.eight.com.sg/locations/service-centres/