diff --git a/app-emulation/wine-staging/Manifest b/app-emulation/wine-staging/Manifest
index e66160ce62a57..149b4599c0b83 100644
--- a/app-emulation/wine-staging/Manifest
+++ b/app-emulation/wine-staging/Manifest
@@ -2,7 +2,9 @@ DIST wine-10.0.tar.xz 32011244 BLAKE2B 92178cf484cf33e9f3b8340429ee8e68c36e0d25e
 DIST wine-10.17.tar.xz 32902236 BLAKE2B 3087201ff359050e7a78021fbf9aac6a816cdd9f7e6b8b443c18cc79a37dbcd6e26a668e9fa2f79f56cede2596b59398f18e31d6cd3a5f805c3760148378fac8 SHA512 e6abd944c5c39f86f57152ff35a0e8f337004feb1a4a449535c40f7a0403d5274f2361b232d341427027006b42486e82855070b0a7c9f74526359e1ba968cd3a
 DIST wine-10.18.tar.xz 32970828 BLAKE2B 5519530d364326f7c968293df25558ea6c9c81e839d36e3af32d980f82a10cafe1403ff1e245aa543e8031acb9ab891cf59ebd10a112959791f18e16ca356be2 SHA512 a84d2f95f11b1eb6b66f19a82dcc28df31e51c0b0c6b15d612c5543cc4c27556bb94062479042e2bf924e081a8fb6e1d295c21df6c6dc16d4cbcaf7ac82c0d58
 DIST wine-10.19.tar.xz 33032428 BLAKE2B e36c52a75f32c8ae270da81a551c108d96e107570ee8db85ed6fb53def94627ce70e667f3ada5c4ed5789d738522d4b92a5395af3daab2e6699c2c6437951c72 SHA512 c927744c115ea8d9dd6eba97598721bc70beead63739bfbef913b7a86db28863c92f18d197a9cfe5e542695aa87e6c634083997710b23b6fa3c3eaea1c271d9a
+DIST wine-10.20.tar.xz 33151284 BLAKE2B 021e74b34289481cb3815b6b8469470b888e7e8ed035d61f2e7b2666990a1c993f07fcc68fa674df2001ae13b3aa707c460ea503b62c72c2ad52841038f49baf SHA512 96d8f82ace70675b6260f626ebbed93518a2a35ab437d4adbf74732d9efb792a88bc63d4da5755658952b93e75efdc89d5500a4e9cdfa701fc106c12649ba6c1
 DIST wine-staging-10.0.tar.gz 9490601 BLAKE2B 2843d6fbeca285a258dbb7505e2451d183b175a9d0b95a03551d635ca8a81c5ba5702d634f45be8d8574435a0fc77b84ca289350e4e74e97b9d5c7b1b8706fbe SHA512 1340473c0ede35450d9cb91bdca2fb237dd2c19e7cde7a05f3c2c70b741f4321e54a1cc4042a48dc83e07dc6967c904fae6c22233ce28fbc6dfa836cef281250
 DIST wine-staging-10.17.tar.gz 9445094 BLAKE2B bc5b36520526d5b15f1443b65d0c9a1cc3c6da74205c0d9709a10564027910953b630114c9287629a161f8831fd60c9e7d9b1a832892d3ebc0353aab690d99c0 SHA512 b8454b9dc2d864da7e308b57b7a2cb3c15888f0ebd563b17f452ac880e78b7d45efdd6d3b4499a715bd79683e52b84c84b8a9ddb28f241258b020d664016afac
 DIST wine-staging-10.18.tar.gz 9450101 BLAKE2B 7b235e3872e08a2f47bad25d5c6fcb83a33c0e95397bc30e1c83546aa9bea63219036b75138632c4c4827bda4e6b834fe4b44286fd9f526174e5eeba57d2fdca SHA512 4574dc12445a1666c7b44eed07503bc01a989d5d93ac24d41609d35c785973a044a8e3ac9c9204e369566b4126bda5f6df43fd7f8ac4a8e8a1afe449e5243e11
 DIST wine-staging-10.19.tar.gz 9399642 BLAKE2B 52467498c2e039ff0c152083f30e579e515c00ba507c746decd7375993127abe88e1d00cc89c87516d0079ad9887963505b670ccc45e081a0fa9bbf8236ffb1a SHA512 01b6f2ef568d7c411c6d5022f86aa7203e7f483c595efa7b9e5303d6c97b91d7e7ba00a3b884c0d8abe88ae55356a36e60744d5a52b7bc0380d14a9e6634e778
+DIST wine-staging-10.20.tar.gz 9261811 BLAKE2B a260f94d64b44e42585b44bb241c6f97e5bf19fde318d96975ae04268891c648830a09c9764005d2a4825ec730bfa32e9209b06c593ff950ea6fd86a39d4f0e8 SHA512 ffd94f625a418df46de56acfdfec9863a357c17c94fe6cfbaa5690a248c529e9759d3d11ba8532116de5f8417cefc14a00048f3dda5de11d73fe628212fa3a87
diff --git a/app-emulation/wine-staging/wine-staging-10.20.ebuild b/app-emulation/wine-staging/wine-staging-10.20.ebuild
new file mode 100644
index 0000000000000..9923f39fc4849
--- /dev/null
+++ b/app-emulation/wine-staging/wine-staging-10.20.ebuild
@@ -0,0 +1,260 @@
+# Copyright 2022-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit edo optfeature python-any-r1 wine
+
+WINE_GECKO=2.47.4
+WINE_MONO=10.3.0
+WINE_P=wine-$(ver_cut 1-2)
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://gitlab.winehq.org/wine/wine-staging.git"
+	WINE_EGIT_REPO_URI="https://gitlab.winehq.org/wine/wine.git"
+else
+	(( $(ver_cut 2) )) && WINE_SDIR=$(ver_cut 1).x || WINE_SDIR=$(ver_cut 1).0
+	SRC_URI="
+		https://dl.winehq.org/wine/source/${WINE_SDIR}/${WINE_P}.tar.xz
+		https://github.com/wine-staging/wine-staging/archive/v${PV}.tar.gz -> ${P}.tar.gz
+	"
+	KEYWORDS="-* ~amd64 ~arm64 ~x86"
+fi
+
+DESCRIPTION="Free implementation of Windows(tm) on Unix, with Wine-Staging patchset"
+HOMEPAGE="
+	https://wiki.winehq.org/Wine-Staging
+	https://gitlab.winehq.org/wine/wine-staging/
+"
+S=${WORKDIR}/${WINE_P}
+
+LICENSE="
+	LGPL-2.1+
+	BSD BSD-2 IJG MIT OPENLDAP ZLIB gsm libpng2 libtiff
+	|| ( WTFPL-2 public-domain )
+"
+SLOT="${PV}"
+IUSE="
+	+X +alsa bluetooth capi cups +dbus dos llvm-libunwind ffmpeg
+	+fontconfig +gecko gphoto2 +gstreamer kerberos +mono netapi
+	nls odbc opencl +opengl pcap perl pulseaudio samba scanner
+	+sdl selinux smartcard +ssl +truetype udev +unwind usb v4l
+	+vulkan wayland +xcomposite xinerama
+"
+REQUIRED_USE="
+	X? ( truetype )
+	bluetooth? ( dbus )
+	opengl? ( || ( X wayland ) )
+"
+
+# tests are non-trivial to run, can hang easily, don't play well with
+# sandbox, and several need real opengl/vulkan or network access
+RESTRICT="test"
+
+# `grep WINE_CHECK_SONAME configure.ac` + if not directly linked
+WINE_DLOPEN_DEPEND="
+	X? (
+		x11-libs/libXcursor[${WINE_USEDEP}]
+		x11-libs/libXfixes[${WINE_USEDEP}]
+		x11-libs/libXi[${WINE_USEDEP}]
+		x11-libs/libXrandr[${WINE_USEDEP}]
+		x11-libs/libXrender[${WINE_USEDEP}]
+		x11-libs/libXxf86vm[${WINE_USEDEP}]
+		xcomposite? ( x11-libs/libXcomposite[${WINE_USEDEP}] )
+		xinerama? ( x11-libs/libXinerama[${WINE_USEDEP}] )
+	)
+	cups? ( net-print/cups[${WINE_USEDEP}] )
+	dbus? ( sys-apps/dbus[${WINE_USEDEP}] )
+	fontconfig? ( media-libs/fontconfig[${WINE_USEDEP}] )
+	kerberos? ( virtual/krb5[${WINE_USEDEP}] )
+	netapi? ( net-fs/samba[${WINE_USEDEP}] )
+	odbc? ( dev-db/unixODBC[${WINE_USEDEP}] )
+	opengl? ( media-libs/libglvnd[X?,${WINE_USEDEP}] )
+	sdl? ( media-libs/libsdl2[haptic,joystick,${WINE_USEDEP}] )
+	ssl? ( net-libs/gnutls:=[${WINE_USEDEP}] )
+	truetype? ( media-libs/freetype[${WINE_USEDEP}] )
+	v4l? ( media-libs/libv4l[${WINE_USEDEP}] )
+	vulkan? ( media-libs/vulkan-loader[X?,wayland?,${WINE_USEDEP}] )
+"
+WINE_COMMON_DEPEND="
+	${WINE_DLOPEN_DEPEND}
+	X? (
+		x11-libs/libX11[${WINE_USEDEP}]
+		x11-libs/libXext[${WINE_USEDEP}]
+	)
+	alsa? ( media-libs/alsa-lib[${WINE_USEDEP}] )
+	capi? ( net-libs/libcapi:=[${WINE_USEDEP}] )
+	ffmpeg? ( media-video/ffmpeg:=[${WINE_USEDEP}] )
+	gphoto2? ( media-libs/libgphoto2:=[${WINE_USEDEP}] )
+	gstreamer? (
+		dev-libs/glib:2[${WINE_USEDEP}]
+		media-libs/gst-plugins-base:1.0[${WINE_USEDEP}]
+		media-libs/gstreamer:1.0[${WINE_USEDEP}]
+	)
+	opencl? ( virtual/opencl[${WINE_USEDEP}] )
+	pcap? ( net-libs/libpcap[${WINE_USEDEP}] )
+	pulseaudio? ( media-libs/libpulse[${WINE_USEDEP}] )
+	scanner? ( media-gfx/sane-backends[${WINE_USEDEP}] )
+	smartcard? ( sys-apps/pcsc-lite[${WINE_USEDEP}] )
+	udev? ( virtual/libudev:=[${WINE_USEDEP}] )
+	unwind? (
+		llvm-libunwind? ( llvm-runtimes/libunwind[${WINE_USEDEP}] )
+		!llvm-libunwind? ( sys-libs/libunwind:=[${WINE_USEDEP}] )
+	)
+	usb? ( dev-libs/libusb:1[${WINE_USEDEP}] )
+	wayland? (
+		dev-libs/wayland[${WINE_USEDEP}]
+		x11-libs/libxkbcommon[${WINE_USEDEP}]
+	)
+"
+RDEPEND="
+	${WINE_COMMON_DEPEND}
+	app-emulation/wine-desktop-common
+	dos? (
+		|| (
+			games-emulation/dosbox
+			games-emulation/dosbox-staging
+		)
+	)
+	gecko? (
+		app-emulation/wine-gecko:${WINE_GECKO}[${WINE_USEDEP}]
+		wow64? ( app-emulation/wine-gecko[abi_x86_32] )
+	)
+	gstreamer? ( media-plugins/gst-plugins-meta:1.0[${WINE_USEDEP}] )
+	mono? ( app-emulation/wine-mono:${WINE_MONO} )
+	perl? (
+		dev-lang/perl
+		dev-perl/XML-LibXML
+	)
+	samba? ( net-fs/samba[winbind] )
+	selinux? ( sec-policy/selinux-wine )
+"
+DEPEND="
+	${WINE_COMMON_DEPEND}
+	sys-kernel/linux-headers
+	X? ( x11-base/xorg-proto )
+	bluetooth? ( net-wireless/bluez )
+"
+BDEPEND="
+	${PYTHON_DEPS}
+	dev-vcs/git
+	sys-devel/bison
+	sys-devel/flex
+	virtual/pkgconfig
+	nls? ( sys-devel/gettext )
+	wayland? ( dev-util/wayland-scanner )
+"
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+	__clear_cache # unused on amd64+x86 (bug #900334)
+	res_getservers # false positive
+)
+QA_TEXTRELS="usr/lib/*/wine/i386-unix/*.so" # uses -fno-PIC -Wl,-z,notext
+# intentionally ignored: https://gitlab.winehq.org/wine/wine/-/commit/433c2f8c06
+QA_FLAGS_IGNORED="usr/lib/.*/wine/.*-unix/wine-preloader"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-7.17-noexecstack.patch
+	"${FILESDIR}"/${PN}-7.20-unwind.patch
+	"${FILESDIR}"/${PN}-8.13-rpath.patch
+)
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		EGIT_CHECKOUT_DIR=${WORKDIR}/${P}
+		git-r3_src_unpack
+
+		# hack: use subshell to preserve state (including what git-r3 unpack
+		# sets) for smart-live-rebuild as this is not the repo to look at
+		(
+			EGIT_COMMIT=$(<"${EGIT_CHECKOUT_DIR}"/staging/upstream-commit) || die
+			EGIT_REPO_URI=${WINE_EGIT_REPO_URI}
+			EGIT_CHECKOUT_DIR=${S}
+			einfo "Fetching Wine commit matching the current patchset by default (${EGIT_COMMIT})"
+			git-r3_src_unpack
+		)
+	else
+		default
+	fi
+}
+
+src_prepare() {
+	local patchinstallargs=(
+		--all
+		--no-autoconf
+		${MY_WINE_STAGING_CONF}
+	)
+
+	edo "${PYTHON}" ../${P}/staging/patchinstall.py "${patchinstallargs[@]}"
+
+	wine_src_prepare
+}
+
+src_configure() {
+	local wineconfargs=(
+		$(use_enable gecko mshtml)
+		$(use_enable mono mscoree)
+		--disable-tests
+
+		$(use_with X x)
+		$(use_with alsa)
+		$(use_with capi)
+		$(use_with cups)
+		$(use_with dbus)
+		$(use_with ffmpeg)
+		$(use_with fontconfig)
+		$(use_with gphoto2 gphoto)
+		$(use_with gstreamer)
+		--without-hwloc # currently only used on FreeBSD
+		$(use_with kerberos gssapi)
+		$(use_with kerberos krb5)
+		$(use_with netapi)
+		$(use_with nls gettext)
+		$(use_with opencl)
+		$(use_with opengl)
+		--without-oss # media-sound/oss is not packaged (OSSv4)
+		$(use_with pcap)
+		$(use_with pulseaudio pulse)
+		$(use_with scanner sane)
+		$(use_with sdl)
+		$(use_with smartcard pcsclite)
+		$(use_with ssl gnutls)
+		$(use_with truetype freetype)
+		$(use_with udev)
+		$(use_with unwind)
+		$(use_with usb)
+		$(use_with v4l v4l2)
+		$(use_with vulkan)
+		$(use_with wayland)
+		$(use_with xcomposite)
+		$(use_with xinerama)
+
+		$(usev !bluetooth '
+			ac_cv_header_bluetooth_bluetooth_h=no
+			ac_cv_header_bluetooth_rfcomm_h=no
+		')
+		$(usev !odbc ac_cv_lib_soname_odbc=)
+	)
+
+	wine_src_configure
+}
+
+src_install() {
+	use perl || local WINE_SKIP_INSTALL=(
+		${WINE_DATADIR}/man/man1/wine{dump,maker}.1
+		${WINE_PREFIX}/bin/{function_grep.pl,wine{dump,maker}}
+	)
+
+	wine_src_install
+
+	dodoc ANNOUNCE* AUTHORS README* documentation/README*
+}
+
+pkg_postinst() {
+	wine_pkg_postinst
+
+	optfeature "/dev/hidraw* access used for *some* controllers (e.g. DualShock4)" \
+		games-util/game-device-udev-rules
+}