additionalText regression in list-of-links type?

[apetro]

Historically the additionalText in

<portlet-preference>
  <name>widgetConfig</name>
  <value>{
    "launchText":"See all approval options",
    "additionalText":"FOR MANAGERS ONLY",
    "links": [
      {
        "title":"Approve Time", 
        "href":"https://www.example.edu", 
        "icon":"fa-clock-o",
        "target":"_blank"},
      {
        "title":"Approve Absence", 
        "href":"https://www.example.edu", 
        "icon":"fa-calendar-times-o",
        "target":"_blank"}]
  }</value>
</portlet-preference>

did something, but it doesn't seem to do anything in predev anymore,

so maybe this feature dropped at some point? If so is this a change to document somewhere? Or un-regress? Or what's up with this?