MegaPOV 1.0 is a fresh start, based on the sources of POV-Ray™ 3.5. This means that not all features of MegaPOV 0.7 are implemented yet. Another consequence is that for several features the new syntax of POV-Ray™ 3.5 is now used. Here is a list of added features:
Features in MegaPOV 0.7 that didn't make it in POV-Ray™ 3.5, but which are back in MegaPOV 1.0;
PoPOV has joined MegaPOV.