Shows the upload date of first version in "first upload"

html/typo3conf/ext/ter_fe2/Classes/Domain/Model/Extension.php

@@ -638,4 +638,19 @@ class Extension extends \TYPO3\CMS\Extbase\DomainObject\AbstractEntity
 
         return json_encode($versions);
     }
+
+    /**
+     * @return \DateTime|null
+     */
+    public function getDateOfFirstUpload()
+    {
+        if ($this->versions->count() === 0) {
+            return null;
+        }
+        $firstVersion = $this->getReverseVersionsByVersionNumber(1)[0];
+        $dateOfFirstUpload = new \DateTime();
+        $dateOfFirstUpload->setTimestamp($firstVersion->getUploadDate());
+
+        return $dateOfFirstUpload;
+    }
 }

html/typo3conf/ext/ter_fe2/Resources/Private/Partials/ExtensionSingleInfo.html

@@ -18,7 +18,7 @@
         <f:translate key="first_upload" />
     </dt>
     <dd>
-        <f:format.date format="%d. %b %Y">{extension.crdate}</f:format.date>
+        <f:format.date format="%d. %b %Y">{extension.dateOfFirstUpload}</f:format.date>
     </dd>
     <dt>
         <f:translate key="downloads" />