Google announced and released the files for the November security patch on November 4, but as many Pixel device owners discovered, the OTA has taken a bit longer to show up for anyone unwilling to flash the files manually.
This morning, our own Pixel 4 XL, as well as multiple user devices on reddit, received the November security patch OTA. Hooray.
While you’re downloading and installing, you can view the changes you may see on your device right here.