Fix: assigning release_stable is missing

_includes/download.html

@@ -9,6 +9,7 @@
     {% elsif release.prerelease == true and (release_pre == nil or release.created_at > release_pre.created_at) %}
         {% assign release_pre = release %}
     {% elsif release_stable == nil or release.created_at > release_stable.created_at %}
+        {% assign release_stable = release %}
     {% endif %}
 {% endfor %}