The following changes are included in today's update:
Groups
- group reports now include people signed up for group jobs
- documents in group pages now arranged by type same as on main docs page
- users can no longer edit the member list for groups they belong to
Mail Lists
- posts can now...
Support for subgroups have been added. This was needed for communities that use Sociocracy.
Members of a group can post on calendars for the group or any of the groups above it.