Well, maybe not a total abdication, but Jimbo has relinquished a substantial portions of his powers. See his announcement and the context.
In an upcoming academic article I discuss why calling Wikipedia a monarchy/dictatorship, while not too off the mark in its very early stages, is no longer true. It's nice not to be contradicted by the current events :)
Introducing Wiki Loves Peace
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The Wikimedia movement has long demonstrated the power of open knowledge in
documenting humanity’s shared cultural, historical, and social heritage.
Commun...
15 hours ago