We have released SIMAHPP 4 Professional updated v412.  The main updates include improvements on the graphical visualizations such scaling, captions and font settings, improvements on the tabular presentations.   Moreover, additional alert messages while loading hydraulic parameters have also been included.   The files to be loaded must contain the format indicated in the message.   Minor bugs have also been fixed related to the the v2+ project file imports file conflict.  This issue was observed only in the v4.