- Big Improvements of the Flat Cursor Objects aka contingent Sprites. These objects allow us notably to create contingent artificial scotomas and reticles (crosshairs). Highly detailed documentation is also now provided. This release corresponds to the publication (end of April) of the PTVR paper "PTVR (Perception Toolbox for Virtual Reality) a software in Python to make virtual reality experiments easier to build and more reproducible." in a special Journal Of Vision issue on Virtual Reality