ASH is a Python-based computational chemistry and QM/MM environment, primarily for molecular calculations in the gas phase, explicit solution, crystal or protein environment.
OpenMMTheory interface: cleanup regarding PBC and non-PBC, support for implicit solvent in Modeller, modeller logic cleanup
actregiondefine: psffile option
DiceTheory: small cleanup, dipole moment
PySCFTheory: Brueckner CC, CC diis iterations, FNO orbital options, pySCF CC dipole moment, MP2 option, mp2-natorbs bug, T1,D1,D2 indices printed after CC