2.4.0

• added rigid body export
• added VTK file export (enables the data import in ParaView)
• added file dialog for Windows
• added a Python plugin for Maya to model scenes in Maya and export them to SPlisHSPlasH
• added animation fields to animate particles in an area using a math script
• improved fluid emitters
• added option to simulate without GUI
• added GPU neighborhood search (cuNSearch) which can be selected in CMake