The detection for the background colour causes lag when switchin images.
The detection for the background colour: (https://gitlab.gnome.org/Incubator/loupe/-/commit/7bf9baa581f1bb1b6bb2b5e1414a262d68c2a8bb, for https://gitlab.gnome.org/Incubator/loupe/-/issues/31) causes lag when switching images.
Images: 1920x1080 JPG
CPU: Intel® Core™ i5-5257U×4
Fedora 38 beta
Edited by Nanling Zheng