MacRumors published a tutorial about how to add a start page wallpaper in macOS Safari 14.
How to Add a Start Page Wallpaper in macOS Safari 14
Ahead of the release of macOS Big Sur, Apple has released the Safari 14 update for macOS Catalina and macOS Mojave users, bringing with it a number of new features and improvements. One of the most dramatic changes is the overhauled Start Page, which now includes a browsing privacy report, iCloud tabs, Siri suggestions, and more. It also features several customizable options, such as the ability to choose your own Start Page wallpaper.
How to Add a Start Page Wallpaper in macOS Safari 14
