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It will be open to all to see and comment. The details are being worked out.

“details being worked out” implies there is already an unknown decision making group.

No "decision making group" - few people with access to a Slack owned by Steemit, Inc. Some of the members are nominated to a sub-group (for the lack of a better word) and members of the subgroup are discussing about who should have what role and how to make everything public.