updated core to 8.6.1 via composer

core/modules/views/templates/views-view-grid.html.twig

@@ -59,7 +59,7 @@
       <div{{ row.attributes.addClass(row_classes, options.row_class_default ? 'row-' ~ loop.index) }}>
         {% for column in row.content %}
           <div{{ column.attributes.addClass(col_classes, options.col_class_default ? 'col-' ~ loop.index) }}>
-            {{ column.content }}
+            {{- column.content -}}
           </div>
         {% endfor %}
       </div>
@@ -69,7 +69,7 @@
       <div{{ column.attributes.addClass(col_classes, options.col_class_default ? 'col-' ~ loop.index) }}>
         {% for row in column.content %}
           <div{{ row.attributes.addClass(row_classes, options.row_class_default ? 'row-' ~ loop.index) }}>
-            {{ row.content }}
+            {{- row.content -}}
           </div>
         {% endfor %}
       </div>

core/modules/views/templates/views-view-list.html.twig

@@ -28,7 +28,9 @@
   <{{ list.type }}{{ list.attributes }}>
 
     {% for row in rows %}
-      <li{{ row.attributes }}>{{ row.content }}</li>
+      <li{{ row.attributes }}>
+        {{- row.content -}}
+      </li>
     {% endfor %}
 
   </{{ list.type }}>

core/modules/views/templates/views-view-unformatted.html.twig

@@ -27,6 +27,6 @@
     ]
   %}
   <div{{ row.attributes.addClass(row_classes) }}>
-    {{ row.content }}
+    {{- row.content -}}
   </div>
 {% endfor %}