This is it:
-------------------------------
[kozelek@kozelek-82k2 arc_image]$ pacman -Q | grep -E 'webkit|wpe|gtk'
appmenu-gtk-module 25.04-3
arc-gtk-theme 20221218-2
epdfview-gtk3 1:0.0.1-1
gtk-doc 1.36.1-1
gtk-engines 2.21.0-7
gtk-layer-shell 0.10.1-1
gtk-update-icon-cache 1:4.22.4-1
gtk-vnc 1.5.0-1
gtk2 2.24.33-5
gtk3 1:3.24.52-1
gtk4 1:4.22.4-1
gtkmm3 3.24.11-1
gtksourceview3 1:3.24.11+r30+gd880929f-1
gtksourceview4 4.8.4-2
gtkspell3 3.0.10-4
kde-gtk-config 6.7.4-1
lib32-gtk2 2.24.33-5
lib32-gtk3 1:3.24.52-1
lib32-libappindicator-gtk2 12.10.0.r298-5
lib32-libdbusmenu-gtk2 16.04.0-7
lib32-libindicator-gtk2 12.10.1-11
libdbusmenu-gtk2 16.04.0.r498-3
libdbusmenu-gtk3 18.10.20180917-2
libgedit-gtksourceview 299.7.1-1
libindicator-gtk2 12.10.1-11
libnma-gtk4 1.10.6-3
libwpe 1.16.3-1
lightdm-gtk-greeter 1:2.0.9-2
perl-gtk3 0.038-5
proton-vpn-gtk-app 4.17.2-1
qemu-ui-gtk 11.1.0-1
spice-gtk 0.42-5
webkit2gtk-4.1 2.52.6-1
webkitgtk-6.0 2.52.6-1
wpebackend-fdo 1.16.1-1
wxwidgets-gtk3 3.2.11-2
xdg-desktop-portal-gtk 1.15.3-1