Yes, he's decided to retire from international cricket with an average (61.87) that's only 2nd to Bradman's (minimum 20 tests played).
His last test was in November against South Africa, and in that series I posted a graphic of his decline (see below).
His average is crazy against West Indies.
Voges' Average Decline
Complete List of Top averages (Mominul in there, 49 average).