animations : windows are deformed when opening windows

[aphelei]

Hyprland version

Hyprland 0.50.0 built from branch main at commit 260a13a12f6c9990c029650b615abd41cd2ab4c7  (snap: use window extents instead of border size (11079)).
Date: Fri Jul 18 17:35:43 2025
Tag: v0.50.0-10-g260a13a12, commits: 6289
built against:
 aquamarine 0.9.2
 hyprlang 0.6.3
 hyprutils 0.8.1
 hyprcursor 0.1.12
 hyprgraphics 0.1.5


no flags were set

Regression

no

Describe the bug

when opening windows, others windows can be deformed. It doesn't happen when closing windows and when animations are disabled

with emacs

ww.mp4

with thunar

thun.mp4

Reproduction steps

master layout
open/close windows

System info and config

conf.txt

[vaxerski]

expected behavior