Google now not only acknowledges the bumps that some users noticed but also tries to reassure them that those bumps are nothing to worry about:
Pixel 8 phones have a new display. When the screen is turned off, not in use and in specific lighting conditions, some users may see impressions from components in the device that look like small bumps. There is no functional impact to Pixel 8 performance or durability.
For instance, here’s one photo from Google’s official Pixel forums:
There are two that I circled here:
It’s very possible that you won’t have them and it’s going to depend on the person, for me they wouldn’t be a deal breaker but I can understand that it can anger others who expect better of a quite expensive phone. Good luck with your delivery!