Upgrading from 15.4 to 16 gives you 11.2 months worth of changes and fixes (1 of them)

List of changes:

• ⇑ Upgrade to 16 released on 2023-09-14 - docs

  • Add psql command \drg to show role membership details (Pavel Luzanov)

    The Member of output column has been removed from \du and \dg because this new command displays this informaion in more detail.

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