I see you have one marked to “Upgrade Next”. That button causes some confusion so I wanted to explain what it does. It tells the system to automatically apply an upgrade to that nomination as soon as you earn one IF you leave Automatically Apply Upgrades set to the default setting of ON in settings. If you have this setting ON and don’t have anything marked to upgrade next, the upgrade will be applied to your oldest nomination.
I recommend that people turn Automatically Apply Upgrades to OFF. It feels so bad when that hard-earned upgrade gets applied to something you did not want to apply it to. With it set to OFF, “Upgrade Next” does not do anything, except prevent you from withdrawing the nomination.
Here is how I have this setting: