The Google Pixel 6 and Pixel 6 Pro have been struggling with various software problems since their launch last year. The February update was supposed to fix critical bugs, but people are now reporting that the patch also introduces new bugs. Reportedly, the February update causes frustrating Wi-Fi issues, seemingly without an obvious cause.
https://www.notebookcheck.net/Google-Pixel-6-and-Pixel-6-Pro-owners-report-Wi-Fi-issues-after-installing-the-February-update.598301.0.html