0.3s is really too much for the cursor movement, it makes me vomit.
I'm sure that this insane default cannot suite anyone.

--- a/src/cursor.cpp
+++ b/src/cursor.cpp
@@ -163,7 +163,7 @@
   });
   effect_animation.set_duration(1);
   effect_animation.set_interval(16);
-  move_animation.set_duration(0.3);
+  move_animation.set_duration(0.05);
   move_animation.set_interval(10);
 }