Merge PR #1557

# Conflicts:
#	docs/whats-new.md

docs/whats-new.md

@@ -81,6 +81,10 @@
   sidecar, a preset or an agent) no longer crashes LightCraft; the point stays between them. Curve points sent to
   `develop.curve` are kept in order, and a sidecar curve with a "NaN" or "inf" point is ignored.
 
+### Reliability
+- A demo photo whose stored size was damaged (a width of 4294967295) is rendered at its own size instead of
+  one that overflows.
+
 ### 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