Install this version:
emerge -a =kde-apps/kqtquickcharts-26.04.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =kde-apps/kqtquickcharts-26.04.0
Or alternatively:
emerge --autounmask-write -a =kde-apps/kqtquickcharts-26.04.0
# 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 gear.kde.org
DESCRIPTION="Qt Quick plugin for beautiful and interactive charts"
LICENSE="GPL-2" # TODO: CHECK
SLOT="6"
KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
IUSE=""
DEPEND="
>=dev-qt/qtbase-${QTMIN}:6[gui]
>=dev-qt/qtdeclarative-${QTMIN}:6
"
RDEPEND="${DEPEND}"
>=dev-qt/qtbase-6.10.1:6[gui] >=dev-qt/qtdeclarative-:6
>=dev-qt/qtbase-6.10.1:6[gui] >=dev-qt/qtdeclarative-:6