diff --git a/plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml b/plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml
index 4c9ba2169c..5d4e17a102 100644
--- a/plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml
+++ b/plugins/PerObjectSettingsTool/PerObjectSettingsPanel.qml
@@ -407,14 +407,9 @@ Item {
         function updateFilter()
         {
             var new_filter = {};
-            if (printSequencePropertyProvider.properties.value == "one_at_a_time")
-            {
-                new_filter["settable_per_meshgroup"] = true;
-            }
-            else
-            {
-                new_filter["settable_per_mesh"] = true;
-            }
+            new_filter["settable_per_mesh"] = true;
+            // Don't filter on "settable_per_meshgroup" any more when `printSequencePropertyProvider.properties.value`
+            //   is set to "one_at_a_time", because the current backend architecture isn't ready for that.
 
             if(filterInput.text != "")
             {
diff --git a/plugins/Toolbox/resources/qml/ToolboxDetailPage.qml b/plugins/Toolbox/resources/qml/ToolboxDetailPage.qml
index cba55051f5..437a2ef351 100644
--- a/plugins/Toolbox/resources/qml/ToolboxDetailPage.qml
+++ b/plugins/Toolbox/resources/qml/ToolboxDetailPage.qml
@@ -25,14 +25,11 @@ Item
             rightMargin: UM.Theme.getSize("wide_margin").width
         }
         height: UM.Theme.getSize("toolbox_detail_header").height
-        Image
+        Rectangle
         {
             id: thumbnail
             width: UM.Theme.getSize("toolbox_thumbnail_medium").width
             height: UM.Theme.getSize("toolbox_thumbnail_medium").height
-            fillMode: Image.PreserveAspectFit
-            source: details === null ? "" : (details.icon_url || "../images/logobot.svg")
-            mipmap: true
             anchors
             {
                 top: parent.top
@@ -40,6 +37,14 @@ Item
                 leftMargin: UM.Theme.getSize("wide_margin").width
                 topMargin: UM.Theme.getSize("wide_margin").height
             }
+            color: white //Always a white background for image (regardless of theme).
+            Image
+            {
+                anchors.fill: parent
+                fillMode: Image.PreserveAspectFit
+                source: details === null ? "" : (details.icon_url || "../images/logobot.svg")
+                mipmap: true
+            }
         }
 
         Label