Among other things, P5 offers: a more advanced render engine with raytraced reflections and refractive effects a material-shader system that makes all sorts of neat tricks possible within Poser enhanced library management features (subfolders, multiple runtimes, breaks the 256-file limit) enhanced morph management features (sort, group, split, or delete morphs) a crosstalk fix dynamic hair and cloth It also includes several features found in Pro Pack: the Setup Room for rigging your own posable figures PNG-format library thumbnails eliminates geometry RSR files, and the need to delete said files when they become corrupted Python scripting Multi-pane display windows