diff --git a/ChangeLog.md b/ChangeLog.md
index 4e00490..2067905 100755
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,15 @@
 # CHANGELOG MODULE IMPORTZUGFERD FOR [DOLIBARR ERP CRM](https://www.dolibarr.org)
 
+## 3.5
+
+### Verbesserungen
+- Einkaufspreise aller Lieferanten bei zugeordneten Produkten anzeigen (Rechnungslieferant fett hervorgehoben)
+- XML Syntax-Highlighting auf Detailseite (Tag-Namen, Attribute, Werte farblich hervorgehoben)
+
+### Bugfixes
+- Cron-Import: Frequenz-Check entfernt, Dolibarr steuert Ausfuehrungszeitpunkt
+- Cron-Import: IMAP-Abruf nur wenn IMAP-Host konfiguriert ist
+
 ## 3.4
 
 ### Bugfixes
diff --git a/card.php b/card.php
index 73e7e95..2279d9c 100755
--- a/card.php
+++ b/card.php
@@ -244,6 +244,13 @@ if (!empty($object->xml_content)) {
     // Format XML for better readability using class method
     $formattedXml = ZugferdImport::formatXmlForDisplay($object->xml_content);
 
+    // XML Syntax-Highlighting
+    $highlightedXml = dol_escape_htmltag($formattedXml);
+    // Tag-Namen (oeffnend und schliessend)
+    $highlightedXml = preg_replace('/(&lt;\/?)([\w:.-]+)/', '$1<span style="color:#2271b1;font-weight:bold;">$2</span>', $highlightedXml);
+    // Attribut-Namen und -Werte
+    $highlightedXml = preg_replace('/ ([\w:.-]+)(=)(&quot;)(.*?)(&quot;)/', ' <span style="color:#a83a32;">$1</span>$2<span style="color:#2e7d32;">$3$4$5</span>', $highlightedXml);
+
     print '<br>';
     print '<div class="div-table-responsive-no-min">';
     print '<table class="noborder centpercent">';
@@ -254,8 +261,8 @@ if (!empty($object->xml_content)) {
     print '<td colspan="2">';
     print '<a href="#" onclick="jQuery(\'#xmlcontent\').toggle(); return false;" class="butAction">'.$langs->trans('ClickToExpand').'</a>';
     print '<div id="xmlcontent" style="display: none; margin-top: 10px;">';
-    print '<pre style="max-height: 500px; overflow: auto; background: #f5f5f5; padding: 10px; font-size: 11px; white-space: pre-wrap; word-wrap: break-word;">';
-    print dol_escape_htmltag($formattedXml);
+    print '<pre style="max-height: 600px; overflow: auto; background: #f8f9fa; padding: 12px; border: 1px solid #dee2e6; border-radius: 4px; font-size: 12px; line-height: 1.5; white-space: pre-wrap; word-wrap: break-word;">';
+    print $highlightedXml;
     print '</pre>';
     print '</div>';
     print '</td>';
diff --git a/core/modules/modImportZugferd.class.php b/core/modules/modImportZugferd.class.php
index f4e8d9a..eb56629 100755
--- a/core/modules/modImportZugferd.class.php
+++ b/core/modules/modImportZugferd.class.php
@@ -76,7 +76,7 @@ class modImportZugferd extends DolibarrModules
 		$this->editor_squarred_logo = '';					// Must be image filename into the module/img directory followed with @modulename. Example: 'myimage.png@importzugferd'
 
 		// Possible values for version are: 'development', 'experimental', 'dolibarr', 'dolibarr_deprecated', 'experimental_deprecated' or a version string like 'x.y.z'
-		$this->version = '3.4';
+		$this->version = '3.5';
 		// Url to the file with your last numberversion of this module
 		//$this->url_last_version = 'http://www.example.com/versionmodule.txt';