Given other demands and the anticipated scope of 0.7.0, we should have at least one more minor release before 0.7.0. Opening this issue to discuss what goes in 0.6.4, beyond issues/PRs with the milestone label.

#718 ? Will provide one way to close #587 and closes #511. #708 also? belongs in the same family.

Other issues to close with v0.6.4?