latestVersion set to null does not remove "Latest published version" ?

[tfrancart]

Description of problem

Documentation says that setting latestVersion to null should remove the "Latest published version" completely. But it seems not.

URL to affected spec or repo:

Example page at https://shapes.performing-arts.ch/authorities/

What happened (e.g., it crashed)?:

ReSpec config:

<script id="initialUserConfig" type="application/json">{
  "preProcess": [
    null,
    null
  ],
  "specStatus": "base",
  "latestVersion": null,
  "maxTocLevel": 2,
  "license": "w3c-software-doc",
  "editors": [
    {
      "name": " "
    }
  ],
  "otherLinks": [
    {
      "key": "Version: ",
      "data": [
        {
          "value": "1.1.0",
          "href": ""
        }
      ]
    }
  ],
  "url": "https://xls2rdf.sparna.fr/rest/convert?url=https://docs.google.com/spreadsheets/d/1OBpZgVwO_0hLNbX0bXVFCetQBQjPeNFR/export?format=xlsx&noPostProcessings=true",
  "includeDiagram": true,
  "language": "en",
  "publishISODate": "2026-06-08T00:00:00.000Z",
  "generatedSubtitle": "08 June 2026"
}</script>

Displayed:

Expected behavior (e.g., it shouldn't crash):

I would have expected the "Latest published version" line to be removed completely instead of showing "none"