I’m happy to report that OpenMC 0.13.3 has just been released! This release contains a slew of new features, bug fixes, and performance improvements — check out the release notes for the full details. A huge thank you to all who contributed, including many first-time contributors!
As always, we recommend updating to the latest version of OpenMC if possible. If you are using conda, the new release should be available on conda-forge within the next few days.