Originally Posted by Android1
The only Pixel phones that had face unlock were the Pixel 4 and Pixel 4 XL. The feature was flawed, though. Not every app worked with it when the phones were being sold (not sure what the app support is like at present), and it lacked Apple-style awareness detection (the phone could be unlocked with your eyes closed) for months after launch.
Wow that kind of sucks. Wouldn't have guessed the Pixels lacked something I basically rely on.