{% load field_verbose_name timesince %}
<tr>
    <th>{{ object|verbose:"date_insert" }}</th>
    <td>{{ object.date_insert }} ({{ object.date_insert|timesince }})</td>
</tr><tr>
    <th>{{ object|verbose:"date_update" }}</th>
    <td>{{ object.date_update }} ({{ object.date_update|timesince }})</td>
</tr>
{% load field_verbose_name timesince %}
<tr>
    <th>{{ object|verbose:"date_insert" }}</th>
    <td>{{ object.date_insert }} ({{ object.date_insert|timesince }})</td>
</tr><tr>
    <th>{{ object|verbose:"date_update" }}</th>
    <td>{{ object.date_update }} ({{ object.date_update|timesince }})</td>
</tr><tr>
    <th>Creator</th>
    <td>{{ object.creator }}</td>
</tr><tr>
    <th>Authors</th>
    <td>{{ object.authors|join:", " }}</td>
</tr><tr>
    <th>Last author</th>
    <td>{{ object.last_author|default:"" }}</td>
</tr>

Add creator, authors and last author in trackinfo fragment
Add creator, authors and last author in trackinfo fragment
