Kernel 6.11.: Compositor seems to die when minimizing Firefox (tested on GNOME & COSMIC)

Starting with this kernel update, the system freezes when minimizing Firefox or trying to watch a video in fullscreen (using COSMIC Desktop):

Version      : 6.11.0
Release      : 0.rc0.20240720gt3c3ff7be.307.vanilla.fc40

System:
  Kernel: 6.11.0-0.rc0.20240721gt2c9b3512.308.vanilla.fc40.x86_64 arch: x86_64
    bits: 64
  Desktop: N/A Distro: Fedora Linux 40 (Workstation Edition)
CPU:
  Info: 6-core model: AMD Ryzen 5 5600 bits: 64 type: MT MCP cache: L2: 3 MiB
  Speed (MHz): avg: 1347 min/max: 550/4468 cores: 1: 550 2: 3599 3: 550
    4: 550 5: 4000 6: 550 7: 550 8: 550 9: 550 10: 3615 11: 550 12: 550
Graphics:
  Device-1: AMD Navi 23 [Radeon RX 6600/6600 XT/6600M] driver: amdgpu
    v: kernel
  Display: wayland server: X.Org v: 24.1.1 with: Xwayland v: 24.1.1 driver:
    X: loaded: amdgpu unloaded: fbdev,modesetting,radeon,vesa dri: radeonsi
    gpu: amdgpu resolution: 2560x1440~100Hz
  API: OpenGL v: 4.6 vendor: amd mesa v: 24.3.0-devel renderer: AMD Radeon
    RX 6600 (radeonsi navi23 LLVM 18.1.6 DRM 3.57
    6.11.0-0.rc0.20240721gt2c9b3512.308.vanilla.fc40.x86_64)
  API: EGL Message: EGL data requires eglinfo. Check --recommends.