No fade out effect for some windows.

[ReductoAdAbsurdum]

Platform: Void Linux , i3-gaps

GPU, drivers, and screen setup: Intel iGPU HD 4600 , modesetting driver, dual monitor using xorg.conf

Compton version: 7.4 from Void repository.

Compton configuration: https://pastebin.com/7Gctvrd3

Steps of reproduction

When I open multiple windows of say Chromium/geany/etc, fade in works with all of them but when you close them using Mod+Shift+q or using the mouse+the apps' built-in exit/close fade out does not work on any of them except the very first window..

here is a photo: https://ibb.co/K5mrk9z
I open 4 Geany windows and close them from right to left, the three on the right don't have fade out effects whereas the one on the left does...

Expected behavior

I expect all windows to have a fade out effect.