v21.27

GILLES Sebastien

@sgilles

89967dec · Issue tag v21.27. · Jul 05, 2021

- Petsc: 3.15.0 -> 3.15.1
- Feature #6: Introduce Scotch/PT-Scotch library. The scripts have been extended slightly to do so.
- Feature #5: Remove PCRE and Parmetis.
- Support #7: Libmeshb: add WITH_AIO option to link correctly with librt.