From Fedora Project Wiki

This category is for GNOME settings.

manage applications on startup in GNOME 3

Startup applications are automatically started when you log in. You can easily manage startup applications with the program gnome-tweaks.

# dnf install gnome-tweaks

login automatic

Edit the /etc/gdm/custom.conf file and make sure that the [daemon] section in the file specifies the following:

[daemon]
AutomaticLoginEnable=True
AutomaticLogin=username

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