Install this version:
emerge -a =kde-plasma/layer-shell-qt-6.6.4
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =kde-plasma/layer-shell-qt-6.6.4
Or alternatively:
emerge --autounmask-write -a =kde-plasma/layer-shell-qt-6.6.4
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
KFMIN=6.22.0
QTMIN=6.10.1
inherit ecm plasma.kde.org
DESCRIPTION="Qt component to allow applications make use of Wayland wl-layer-shell protocol"
LICENSE="LGPL-3+"
SLOT="6"
KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~x86"
IUSE=""
# slot op: various private QtWaylandClient headers
RDEPEND="
>=dev-libs/wayland-1.15
>=dev-qt/qtbase-${QTMIN}:6=[gui,wayland]
>=dev-qt/qtdeclarative-${QTMIN}:6
x11-libs/libxkbcommon
"
DEPEND="${RDEPEND}
dev-libs/wayland-protocols
"
BDEPEND="
dev-util/wayland-scanner
virtual/pkgconfig
"
>=dev-libs/wayland-1.15 >=dev-qt/qtbase-6.10.1:6=[gui,wayland] >=dev-qt/qtdeclarative-:6 x11-libs/libxkbcommon dev-libs/wayland-protocols
>=dev-libs/wayland-1.15 >=dev-qt/qtbase-6.10.1:6=[gui,wayland] >=dev-qt/qtdeclarative-:6 x11-libs/libxkbcommon
dev-util/wayland-scanner virtual/pkgconfig