This morning, after updating at-spi2-core, the system became very slow!
I went back to the previous version and everything is back to normal.
Here's the version I'm currently using and it works fine:
jp-artix:[jp]:~$ pacman -Q at-spi2-core
at-spi2-core 2.48.0-2
$ neofetch
' jp@jp-artix
'o' -----------
'ooo' OS: Artix Linux x86_64
'ooxoo' Kernel: 6.1.27-1-lts
'ooxxxoo' Uptime: 1 min
'oookkxxoo' Packages: 1481 (pacman)
'oiioxkkxxoo' Shell: bash 5.1.16
':;:iiiioxxxoo' Resolution: 1920x1080
`'.;::ioxxoo' DE: Xfce
'-. `':;jiooo' WM: Xfwm4
'oooio-.. `'i:io' WM Theme: Daloa
'ooooxxxxoio:,. `'-;' Theme: Adwaita [GTK2/3]
'ooooxxxxxkkxoooIi:-. `' Icons: oxygen [GTK2], matefaenzadark
'ooooxxxxxkkkkxoiiiiiji' Terminal: xfce4-terminal