first 3 & fix ordering

donate/models.py

@@ -410,7 +410,13 @@ class DonateProjectIndexPage(
 
     @property
     def projects(self):
-        return DonateProjectPage.objects.child_of(self).distinct().live().all()
+        return (
+            DonateProjectPage.objects.child_of(self)
+            .filter()
+            .distinct()
+            .order_by("-date")
+            .live()
+        )[:3]
 
     class Meta:
         verbose_name = "Přehled projektů"