Feature Updates

• Feature: a new mixing method for magnetic calculations

• Feature: implement deltaspin for collinear case

• Feature: implement stress for mgga nspin=2

• Bug fix: optimize the IO of lcao-wfc and charge

• Bug fix: right criterion in Nonlocal Operator for LCAO code

More information about latest updates (e.g. Test, Refactor, Bug fix and Documentation) can be found on our Github or Gitee repositories