VisIt is a distributed, parallel visualization and graphical analysis tool for data defined on two- and three-dimensional (2D and 3D) meshes. Version 2.13.1 contains over three dozen bug-fixes. For a complete list of changes see the VisIt 2.13.1 Release Notes.
VisIt 2.13 contains many bug-fixes and new features. For a complete list of changes see the VisIt 2.13 Release Notes.
You can now use build_visit to build a version of VisIt that supports using OpenSWR for software rendering. OpenSWR is an Intel software renderer that is now part of Mesa.
VisIt now supports reading files in the SPCTH file format. SPCTH is the file format used by CTH, a popular simulation code developed by the Sandia National Laboratory.