Why do the yellow (or gray) tooltips appear even when Dashboard is closed?

This is a bug in Dashboard itself that can happen when a widget displays a tooltip. There is a hidden setting to disable the tooltips that show delivery details, if you’d prefer to just turn them off entirely. Open Terminal, enter this on one line, then press return:
defaults write widget-com.junecloud.widget.deliverystatus disabletooltips 1; killall Dock;

To turn the tooltips back on, enter:
defaults delete widget-com.junecloud.widget.deliverystatus disabletooltips; killall Dock;

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Software

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