Lunch atop a (Springfield) skyscraper

Lunch atop a (Springfield) skyscraper
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a process which increases the definition along edges by amplifying the difference in brightness between pixels.

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How do I use the “Standard Deviation” and “Scale” parameters in Gimp 2.9's GEGL-based unsharp mask?

Previously, Gimp 2.8 and earlier used a dialog with the familiar "radius, amount, threshold" parameters as described at Unsharp mask - what do the parameters do?, like this. In preview builds of ...