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The Place Updates layer shows Place Update Requests (PURs) submitted by drivers and beginning editors. When an untrusted driver or editor creates a new place or makes changes to an existing place, a Place Update Request is created. Editors of rank 2 or higher decide whether to accept each request. The most recent requests are a pale pink. Older requests are darker. Accepted but not-yet-saved requests are green.
See Place Updates (Moderation) for more detail.