0.27.0 - 2021-12-03

Added

• Adjoint interpolation with some restrictions
• Cubed sphere grid partitioner
• Cubed sphere parallel mesh generation
• Cubed sphere function spaces
• Fortran interfaces to Projection methods
• Support discovery of open-source ectrans
• Dense linear Algebra matrix_multiply abstraction

Changed

• Remove etc/atlas/config.yaml because defaults should be in code
• Naming of sparse_matrix_multiply backend 'omp' -> 'openmp'
• Applied clang-format 13.0.0 (all files touched)