Index: sources/gui/qml/components/IconButton.qml
===================================================================
diff -u -rc843f1d6a805119ecadfa2c24f309f77e7637830 -rca05e940ea4a0c567acb05c4c8777dea079b0f08
--- sources/gui/qml/components/IconButton.qml	(.../IconButton.qml)	(revision c843f1d6a805119ecadfa2c24f309f77e7637830)
+++ sources/gui/qml/components/IconButton.qml	(.../IconButton.qml)	(revision ca05e940ea4a0c567acb05c4c8777dea079b0f08)
@@ -36,5 +36,7 @@
         width   : iconSize
         fillMode: Image.PreserveAspectFit
         source  : iconImageSource
+        smooth: true
+        mipmap: true
     }
 }