Changing /etc/apt/apt.conf.d/10periodic so that Download-Upgadeable-Packages is "1", populates the drop down box with choices so maybe that was just neglected in 20auto-upgrades.
Changing /etc/apt/ apt.conf. d/10periodic so that Download- Upgadeable- Packages is "1", populates the drop down box with choices so maybe that was just neglected in 20auto-upgrades.