- Feature #782: Add fiber contribution in the stresses. - Feature #802: Acoustic wave model. - Support #857: Main programs should return EXIT_FAILURE if they stop through an exception. - Bug #856: EnsightOutput has been rewritten to work with environment variable HAPPY_HEART_RESULT_DIR. - Bug #855: Safeties in FiberList were not trapping some cases (such as fiber list too big for the mesh).