Jon Prosser has dashed hopes that the Pixel Watch could launch in time for spring 2022. Instead, the leaker claims that Google has pushed the device's formal release way back to October, when it will also unveil the Pixel 7 and Pixel 7 Pro. The change in plans does not look good for Wear OS 3, either.
https://www.notebookcheck.net/The-Pixel-Watch-and-Wear-OS-3-may-not-be-ready-until-the-Pixel-7-and-Pixel-7-Pro-launch-event-in-October.610104.0.html