A first beta post has been made in a new Git repo at https://sourceforge.net/p/waterloo/beta/.
This includes many new plot types: histograms, area charts, polar plots etc and now supports export to a web page using the Processing language that creates vector graphics output that uses HTML canvas graphics in a web document. Waterloo now exports both the processing script and the accompanying HTML (Note that the GUIs need updating but this is available via the graph editor "web" button if you then select "pde" for export. Further details of that at http://waterloo.sourceforge.net/PDEGraphics2D/.