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 :)
News from across Wikimedia Belgium
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Public domain day and award ceremony Wiki Loves Heritage Did you know that
all creations no longer subject to exclusive intellectual property rights
are pa...
7 hours ago