From Cedric Pinson,

Add check in RigTransformSoftware if bones are null
Indent TimelineAnimationManager
Add check for NaN in UpdateCallback.cpp
Fix TimelineAnimationManager clear target (a refactore of Timeline is require for futur)
Fix Computation of bounding box for RigGeometry

src/osgAnimation/TimelineAnimationManager.cpp

@@ -34,6 +34,7 @@ TimelineAnimationManager::TimelineAnimationManager(const TimelineAnimationManage
 
 void TimelineAnimationManager::update(double time)
 {
-    clearTargets();
+    // clearTargets();
+    _timeline->setAnimationManager(this);
     _timeline->update(time);
 }