Merge PR #1561

# Conflicts:
#	docs/whats-new.md

docs/whats-new.md

@@ -24,6 +24,10 @@
 - A crop of no size (from an agent or a sidecar) no longer gives the Detail view a photo of no size to lay out
   (its width over its height was 0 / 0, which stopped debug builds); it shows as a single pixel's colour.
 
+### Reliability
+- A crop a hair wide (or of no size), set by an agent or read from a sidecar, no longer crashes or hangs the
+  render with Clarity, Dehaze, Texture or Highlights / Shadows on: their blurs are held to the picture's size.
+
 ### Slider drags on large raws
 - Dragging a slider no longer re-renders the edited photo's filmstrip thumbnail on every frame; it follows once you
   let go. On a 64 MP raw the first of those renders decoded the whole file again, which held up the loupe's