IconImage: They have to be asynchronous or the may crash QS on startup. TaskBar was crashing very often during development.

Modules/Bar/Widgets/SidePanelToggle.qml

@@ -51,5 +51,6 @@ NIconButton {
     source: useDistroLogo ? DistroLogoService.osLogo : ""
     visible: useDistroLogo && source !== ""
     smooth: true
+    asynchronous: true
   }
 }

Modules/Bar/Widgets/Taskbar.qml

@@ -58,6 +58,7 @@ Rectangle {
             height: Style.marginL * root.scaling
             source: AppIcons.iconForAppId(taskbarItem.modelData.appId)
             smooth: true
+            asynchronous: true
           }
         }