This feature request is still working its way through the backlog queue.
I am totally stuck with how I would like architect my content and share it across different teams without the ability to add a dynamically updated distribution lists as a member of Teams Groups when sharing content from one Team/Sharepoint Site and another.
PLEASE PLEASE IMPLEMENTAnonymous commented
I've hit this issue today and am adding my vote for up ranking the delivery of this feature.
No being able to reference a dynamic distribution list to the access rights prevents me from sharing sharepoint lists created in one team or sharepoint collection as tabs available to other users or teams.
For example I want an IT Training Team and sharepoint collection where I maintain a list of technical tip documents. Then I want to add that as a tab to the General channel of out All User team so any employee can reference the training documents. This is not feasible if the list of members with rights to the IT Training Team's sharepoint site and the list I created there has to be manually updated every time a user joins or leaves.
The lack of this feature is frustrating and holding up the ability for us to use Sharepoint and Teams in a way we would like to.