Since the new version with the PW engines, it does not appear to be obeying VNAV constraints correctly. For example with an AT OR BELOW FL230 and AT OR ABOVE FL190 it will level off at FL230. This was using a flightplan from SimBrief as follow KPHX/25R N0464F340 KEENS3 WLVRN DCT ESTWD HLYWD1 KLAX/06L using the BRUEN2 arrival at waypoint TRUBL