What’s New in 0.12.2


This release of OpenMC is primarily a hotfix release with numerous important bug fixes. Several tally-related enhancements have also been added.

New Features

Three tally-related enhancements were added to the code in this release:

  • A new CollisionFilter class that allows tallies to be filtered by the number of collisions a particle has undergone.

  • A translation attribute has been added to MeshFilter that allows a mesh to be translated from its original position before location checks are performed.

  • The UnstructuredMesh class now supports libMesh unstructured meshes to enable better ingration with MOOSE-based applications.

Bug Fixes


This release contains new contributions from the following people: