diff --git a/PlanarMechanics/UsersGuide/ReleaseNotes.mo b/PlanarMechanics/UsersGuide/ReleaseNotes.mo
index 9f8e2d2..49e0b94 100644
--- a/PlanarMechanics/UsersGuide/ReleaseNotes.mo
+++ b/PlanarMechanics/UsersGuide/ReleaseNotes.mo
@@ -85,12 +85,30 @@ It is <strong>not</strong> backwards compatible to previous library versions.
   </li>
 </ul>
 
+<p>Deleted constants (conversion script is provided):</p>
+<ul>
+  <li>
+    PlanarMechanics.Types.Defaults.BodyCylinderDiameterFraction: use 
+    <a href=\"modelica://Modelica.Mechanics.MultiBody.Types.Defaults.BodyCylinderDiameterFraction\">Modelica.Mechanics.MultiBody.Types.Defaults.BodyCylinderDiameterFraction</a>
+    instead.
+  </li>
+  <li>
+    PlanarMechanics.Types.Defaults.JointRodDiameterFraction: use 
+    <a href=\"modelica://Modelica.Mechanics.MultiBody.Types.Defaults.JointRodDiameterFraction\">Modelica.Mechanics.MultiBody.Types.Defaults.JointRodDiameterFraction</a>
+    instead.
+  </li>
+</ul>
+
 <p>Improvements:</p>
 <ul>
   <li>
     Library colors from
     <a href=\"modelica://PlanarMechanics.Types.Defaults\">PlanarMechanics.Types.Defaults</a> are used consequently.
   </li>
+  <li>
+    <a href=\"modelica://PlanarMechanics.Visualizers.Advanced.Arrow\">PlanarMechanics.Visualizers.Advanced.Arrow</a>:
+    add parameters for arrow's head definition.
+  </li>
   <li>
     <a href=\"modelica://PlanarMechanics.Sources.QuadraticSpeedDependentForce\">QuadraticSpeedDependentForce</a>:
     fix false type of parameter <code>resolveInFrame</code>. The type