Install this version:
emerge -a =kde-plasma/plasma-activities-6.6.4
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =kde-plasma/plasma-activities-6.6.4
Or alternatively:
emerge --autounmask-write -a =kde-plasma/plasma-activities-6.6.4
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
ECM_QTHELP="true"
ECM_TEST="true"
KFMIN=6.22.0
QTMIN=6.10.1
inherit ecm plasma.kde.org
DESCRIPTION="Core components for KDE's Activities System"
LICENSE="|| ( LGPL-2.1 LGPL-3 )"
SLOT="6/7"
KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~x86"
IUSE=""
RDEPEND="
>=dev-qt/qtbase-${QTMIN}:6[dbus,gui,sql,widgets]
>=dev-qt/qtdeclarative-${QTMIN}:6[widgets]
>=kde-frameworks/kconfig-${KFMIN}:6
>=kde-frameworks/kcoreaddons-${KFMIN}:6
"
DEPEND="${RDEPEND}
test? ( >=kde-frameworks/kwindowsystem-${KFMIN}:6[X] )
"
>=dev-qt/qtbase-6.10.1:6[dbus,gui,sql,widgets] >=dev-qt/qtdeclarative-:6[widgets] >=kde-frameworks/kconfig-:6 >=kde-frameworks/kcoreaddons-:6 test? ( >=kde-frameworks/kwindowsystem-6.22.0:6[X] )
>=dev-qt/qtbase-6.10.1:6[dbus,gui,sql,widgets] >=dev-qt/qtdeclarative-:6[widgets] >=kde-frameworks/kconfig-6.22.0:6 >=kde-frameworks/kcoreaddons-:6