Blur doesn't refresh on slideshow

[starscouts]

Describe the bug
When you use Showell (or any other app) to set a desktop slideshow, Blyr doesn't immediately reload the blurred wallpaper when the wallpaper automatically changes.

Expected behavior
Blyr refresh the blurred wallpaper just when the slideshow change.

Configuration

• GNOME 3.36.2
• Ubuntu 20.04
• Xorg 7.7
• Dynamic Panel Transparency, User Themes, Ubuntu Dock

Screenshots
Not a screenshot because it's live, but here is a video.