Updated on November 29, 2019: Following our readers' suggestions, I have figured out that this is not a removal of the feature but the new behavior of the OS. The instructions are now updated.
Do you use autologin for your local or Microsoft account in Windows 10? Well, here is a bit of bad news. Microsoft has removed this useful feature from the GUI starting in build 19033, which represents the '20H1' branch, known as Windows 10 version 2004.