On Windows, when an input image filename contains a %VAR% pattern (e.g. image-%SHORTCODE%-2026.jpg from gallery-dl downloads with unexpanded template variables), Upscayl silently hangs after 🏁 UPSCAYL with no progress, no error toast, and no way for the user to know what happened.
On Windows, when an input image filename contains a %VAR% pattern (e.g. image-%SHORTCODE%-2026.jpg from gallery-dl downloads with unexpanded template variables), Upscayl silently hangs after 🏁 UPSCAYL with no progress, no error toast, and no way for the user to know what happened.