diff --git a/net-irc/kvirc/Manifest b/net-irc/kvirc/Manifest
index e682856c44fd8..1ba2ff41c2bb5 100644
--- a/net-irc/kvirc/Manifest
+++ b/net-irc/kvirc/Manifest
@@ -1 +1,2 @@
 DIST kvirc-5.2.6.tar.gz 6336310 BLAKE2B ef86dd65cfb3ffe4de528fcbb0c3a1ce845f7108279d67590699e86a515fd62cfdadce360224020f77e4285c6cfe93897c69ac2d6d23da44be49753e41908e7c SHA512 54c845287d69be0e777a812b47212e061ae74b85c129fe97091ada554a320f4ae6ef65643a2a8238c8f938d1e1d7b02236d76e0950a41e6376288ac1b9070de5
+DIST kvirc-5.2.8.tar.gz 6443327 BLAKE2B c6b25020b01cf64a345965ad5cc20de3f627630d2fefd208d55abac8f53799968948374ba112e8fa9ee9f83988472af0835b4e3ba2e3d3a67d5d4fb95f0c49d9 SHA512 388fd7d34c2896da600a583c9cf49010d58d4c997e340fbf43b5d7805bb50bf6c9c5a68e893dd4ec3ff83df058e01fc7b7a89069083b86a28de6eab3dbe9e119
diff --git a/net-irc/kvirc/kvirc-5.2.8.ebuild b/net-irc/kvirc/kvirc-5.2.8.ebuild
new file mode 100644
index 0000000000000..449ab14909e49
--- /dev/null
+++ b/net-irc/kvirc/kvirc-5.2.8.ebuild
@@ -0,0 +1,150 @@
+# Copyright 2009-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="8"
+
+PYTHON_COMPAT=( python3_{10..13} )
+inherit cmake python-single-r1 xdg
+
+DESCRIPTION="Advanced IRC Client"
+HOMEPAGE="https://www.kvirc.net/ https://github.com/kvirc/KVIrc"
+
+if [[ ${PV} == *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/kvirc/KVIrc"
+else
+	SRC_URI="https://github.com/kvirc/KVIrc/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz"
+	S="${WORKDIR}/KVIrc-${PV}"
+	KEYWORDS="~amd64 ~ppc ~ppc64 ~riscv ~x86"
+fi
+
+LICENSE="GPL-2+"
+SLOT="0"
+IUSE="audiofile +dbus debug doc gsm kde +nls oss +perl profile +python spell +ssl theora webengine"
+REQUIRED_USE="audiofile? ( oss ) python? ( ${PYTHON_REQUIRED_USE} )"
+
+BDEPEND="
+	dev-lang/perl:0
+	virtual/pkgconfig
+	doc? ( app-text/doxygen )
+	kde? ( kde-frameworks/extra-cmake-modules:0 )
+	nls? ( sys-devel/gettext )"
+DEPEND="
+	dev-qt/qtbase:6[concurrent,gui,network,sql,widgets,xml]
+	dev-qt/qtmultimedia:6
+	dev-qt/qt5compat:6
+	sys-libs/zlib:0=
+	x11-libs/libX11
+	audiofile? ( media-libs/audiofile )
+	dbus? ( dev-qt/qtbase:6[dbus] )
+	kde? (
+		kde-frameworks/kconfig:6
+		kde-frameworks/kcoreaddons:6
+		kde-frameworks/kio:6
+		kde-frameworks/ki18n:6
+		kde-frameworks/knotifications:6
+		kde-frameworks/kparts:6
+		kde-frameworks/kservice:6
+		kde-frameworks/kstatusnotifieritem:6
+		kde-frameworks/kwindowsystem:6[X]
+		kde-frameworks/kxmlgui:6
+	)
+	perl? ( dev-lang/perl:0= )
+	python? ( ${PYTHON_DEPS} )
+	spell? ( app-text/enchant:2 )
+	ssl? ( dev-libs/openssl:0= )
+	theora? (
+		media-libs/libogg
+		media-libs/libtheora:=
+		media-libs/libvorbis
+	)
+	webengine? ( dev-qt/qtwebengine:6[widgets] )"
+RDEPEND="${DEPEND}
+	gsm? ( media-sound/gsm )"
+
+DOCS=()
+
+pkg_setup() {
+	if use python; then
+		python-single-r1_pkg_setup
+	fi
+}
+
+src_prepare() {
+	cmake_src_prepare
+
+	if [[ ${PV} == *9999* ]]; then
+		KVIRC_GIT_REVISION="$(git show -s --format=%H)"
+		KVIRC_GIT_SOURCES_DATE="$(git show -s --format=%cd --date=short)"
+		einfo "Setting of revision number to ${KVIRC_GIT_REVISION} ${KVIRC_GIT_SOURCES_DATE}"
+		sed -e "/#define KVI_DEFAULT_FRAME_CAPTION/s/KVI_VERSION/& \" (${KVIRC_GIT_REVISION} ${KVIRC_GIT_SOURCES_DATE})\"/" \
+			-i src/kvirc/ui/KviMainWindow.cpp || die "Setting of revision number failed"
+	fi
+}
+
+src_configure() {
+	local libdir="$(get_libdir)"
+	local mycmakeargs=(
+		-DLIB_SUFFIX=${libdir#lib}
+		-DWANT_ENV_FLAGS=ON
+		-DWANT_VERBOSE=ON
+
+		-DWANT_CRYPT=ON
+		-DWANT_DCC_VOICE=ON
+		-DWANT_IPC=ON
+		-DWANT_IPV6=ON
+		-DWANT_TRANSPARENCY=ON
+
+		-DWANT_AUDIOFILE=$(usex audiofile)
+		-DWANT_DEBUG=$(usex debug)
+		-DWANT_DOXYGEN=$(usex doc)
+		-DWANT_GETTEXT=$(usex nls)
+		-DWANT_GSM=$(usex gsm)
+		-DWANT_KDE=$(usex kde)
+		-DWANT_MEMORY_PROFILE=$(usex profile)
+		-DWANT_OGG_THEORA=$(usex theora)
+		-DWANT_OPENSSL=$(usex ssl)
+		-DWANT_OSS=$(usex oss)
+		-DWANT_PERL=$(usex perl)
+		-DWANT_PYTHON=$(usex python)
+		-DWANT_QTDBUS=$(usex dbus)
+		-DWANT_QTWEBENGINE=$(usex webengine)
+		-DWANT_SPELLCHECKER=$(usex spell)
+		-DQT_VERSION_MAJOR=6
+
+		-DWANT_DCC_VIDEO=OFF
+		-DWANT_PHONON=OFF
+		-DWANT_QTSVG=OFF # COMPILE_SVG_SUPPORT not used in source code.
+	)
+	if use python; then
+		mycmakeargs+=(
+			-DPython3_INCLUDE_DIR="$(python_get_includedir)"
+			-DPython3_LIBRARY="$(python_get_library_path)"
+		)
+	fi
+	if [[ ${PV} == *9999* ]]; then
+		mycmakeargs+=(
+			-DMANUAL_REVISION=${KVIRC_GIT_REVISION}
+			-DMANUAL_SOURCES_DATE=${KVIRC_GIT_SOURCES_DATE//-/}
+		)
+	fi
+
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+
+	if use doc; then
+		cmake_src_compile devdocs
+	fi
+}
+
+src_install() {
+	cmake_src_install
+
+	if use doc; then
+		docinto html
+		dodoc -r "${BUILD_DIR}/doc/api/html/"*
+	fi
+}
diff --git a/net-irc/kvirc/kvirc-9999.ebuild b/net-irc/kvirc/kvirc-9999.ebuild
index 403a330f27129..449ab14909e49 100644
--- a/net-irc/kvirc/kvirc-9999.ebuild
+++ b/net-irc/kvirc/kvirc-9999.ebuild
@@ -4,7 +4,7 @@
 EAPI="8"
 
 PYTHON_COMPAT=( python3_{10..13} )
-inherit cmake flag-o-matic python-single-r1 xdg
+inherit cmake python-single-r1 xdg
 
 DESCRIPTION="Advanced IRC Client"
 HOMEPAGE="https://www.kvirc.net/ https://github.com/kvirc/KVIrc"
@@ -83,8 +83,6 @@ src_prepare() {
 }
 
 src_configure() {
-	append-flags -fno-strict-aliasing
-
 	local libdir="$(get_libdir)"
 	local mycmakeargs=(
 		-DLIB_SUFFIX=${libdir#lib}