diff --git a/x11-terms/kitty/Manifest b/x11-terms/kitty/Manifest
index d4462fc489fbd..9bd1ef5e344c1 100644
--- a/x11-terms/kitty/Manifest
+++ b/x11-terms/kitty/Manifest
@@ -4,3 +4,6 @@ DIST kitty-0.46.2.tar.xz.sig 566 BLAKE2B a08212c37355578df9d6e3ca99a2a3126d11bc8
 DIST kitty-0.47.2-vendor.tar.xz 2345424 BLAKE2B 498166dedf5ee05707b6b7c8e9fc56a61f4ca7d2b518ca31251bcf14b6fa2256d1aa5ce89797b27ac20f1b2a9261ca70cdbb49ea4aecd1050e829f4c909d2dce SHA512 b3880785634822ca466a38069575b5cac7a1735d939d7c432e9706229c3d9b5f565a57dd31ec12c3207ef903acc45133ca2c5946d400e4f36dd33aacb5dbcb17
 DIST kitty-0.47.2.tar.xz 11882228 BLAKE2B 9b3efcdbf2999c64020c4947bd250bc56aa2b3a67d05634d2da979d3a61e4d96d8ab03c1174fdd487032cf5bc57c792a43753ea9bc75a716a83ecb515dc833ac SHA512 1a565087f0e22afa6ba813ecaeed407fb76f2d4b2b6f12ec5f063512ef506e4315b95f224d8b975502a5f5ae8921f0a82a0cf32b8bc3f47bcac4ade23c2a481a
 DIST kitty-0.47.2.tar.xz.sig 566 BLAKE2B 13ef717aa2bebd497ed05c341ed208c34f449776d98cec8b8e3430b9981da5264efba2b88f8840317985ec264cde5339cb28585fbdf8eee026a083952f86a9cf SHA512 c6cb44a7969a43cbed2aa7caef634d7a24d920cd725fa876ed247baecf60466227c0ff16b9a1f3a2d03bc1279d9c6479bfd80418b6042666013b03726be53a32
+DIST kitty-0.47.3-vendor.tar.xz 2416736 BLAKE2B 8848c4dc8fd94503bc0792d51c6bcb89376837d9a89bf949d099213691ff1c0d0eba3b13a05128f835b7ae1ff7f12c848607c7c81b9360bd2f46128ad063d379 SHA512 c92ec3bccfd9fd51c622414937c5d757d1dd784f89fe6af6648083a789d58e3ffcb78a74ad5edd669e9a288e56746f974ae9bf49ee99bfcb6a3a2fa3afb40064
+DIST kitty-0.47.3.tar.xz 11884216 BLAKE2B fdccda024716ee4014adc034b5a7ee603a4dbed6162751dcc71aa06f0ab5dc5f5ce138b779daef7d4d59f016a0ab5d04b11901d5101c24d07d3344c4162a2bb0 SHA512 a1fb7b6847a2c87576573da5706d4fbbc3173aa1c6731e20205c834373a00bd209ca0c7493cceff7da29cfa14f7cd5fcabf14ead6295eaa48fd2ebfdb94906da
+DIST kitty-0.47.3.tar.xz.sig 566 BLAKE2B 0f187844eed9d458599f1108e10704c26649460c888c7f21bdf50aae44ff5eb6110041b9b8a3836fe3eb5110374908866ee407ec15e3e3f229d5f5c64712f985 SHA512 55cf1d450969862d96f355f6f408cd13455771625e28c3981bf11d38674faff8efafc80ae96b37fb1f9e83fde574ff4b70ba62fc770b6fb3d1777552bf962bd1
diff --git a/x11-terms/kitty/kitty-0.47.3.ebuild b/x11-terms/kitty/kitty-0.47.3.ebuild
new file mode 100644
index 0000000000000..49cd5a8ead7ec
--- /dev/null
+++ b/x11-terms/kitty/kitty-0.47.3.ebuild
@@ -0,0 +1,207 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit edo go-env optfeature multiprocessing python-single-r1
+inherit shell-completion toolchain-funcs xdg
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/kovidgoyal/kitty.git"
+else
+	inherit verify-sig
+	SRC_URI="
+		https://github.com/kovidgoyal/kitty/releases/download/v${PV}/${P}.tar.xz
+		https://distfiles.gentoo.org/pub/dev/ionen@gentoo.org/${P}-vendor.tar.xz
+		verify-sig? ( https://github.com/kovidgoyal/kitty/releases/download/v${PV}/${P}.tar.xz.sig )
+	"
+	VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/kovidgoyal.gpg
+	KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~x86"
+fi
+
+DESCRIPTION="Fast, feature-rich, GPU-based terminal"
+HOMEPAGE="https://sw.kovidgoyal.net/kitty/"
+
+LICENSE="GPL-3 ZLIB"
+LICENSE+=" Apache-2.0 BSD BSD-2 MIT" # go
+SLOT="0"
+IUSE="+X test wayland"
+REQUIRED_USE="
+	${PYTHON_REQUIRED_USE}
+	|| ( X wayland )
+	test? ( X wayland )
+"
+RESTRICT="!test? ( test )"
+
+# dlopen: fontconfig,libglvnd
+RDEPEND="
+	${PYTHON_DEPS}
+	dev-libs/openssl:=
+	dev-libs/xxhash
+	media-fonts/symbols-nerd-font
+	media-libs/freetype
+	media-libs/harfbuzz:=[truetype]
+	media-libs/lcms:2
+	media-libs/libglvnd[X?]
+	media-libs/libpng:=
+	sys-apps/dbus
+	virtual/zlib:=
+	x11-libs/cairo
+	x11-libs/libxkbcommon[X?]
+	x11-misc/xkeyboard-config
+	~x11-terms/kitty-shell-integration-${PV}
+	~x11-terms/kitty-terminfo-${PV}
+	X? (
+		x11-libs/libX11
+		x11-libs/libXcursor
+	)
+	wayland? ( dev-libs/wayland )
+	!sci-mathematics/kissat
+"
+DEPEND="
+	${RDEPEND}
+	amd64? ( >=dev-libs/simde-0.8.0-r1 )
+	arm64? ( dev-libs/simde )
+	x86? ( dev-libs/simde )
+	X? (
+		x11-base/xorg-proto
+		x11-libs/libXi
+		x11-libs/libXinerama
+		x11-libs/libXrandr
+	)
+	wayland? ( dev-libs/wayland-protocols )
+"
+# bug #919751 wrt go subslot
+BDEPEND="
+	${PYTHON_DEPS}
+	>=dev-lang/go-1.26:=
+	sys-libs/ncurses
+	virtual/pkgconfig
+	test? ( $(python_gen_cond_dep 'dev-python/pillow[zlib,${PYTHON_USEDEP}]') )
+	wayland? ( dev-util/wayland-scanner )
+"
+[[ ${PV} == 9999 ]] || BDEPEND+=" verify-sig? ( sec-keys/openpgp-keys-kovidgoyal )"
+
+QA_FLAGS_IGNORED="usr/bin/kitten" # written in Go
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		git-r3_src_unpack
+		cd "${S}" || die
+		edo go mod vendor
+	else
+		use verify-sig &&
+			verify-sig_verify_detached "${DISTDIR}"/${P}.tar.xz{,.sig}
+		default
+	fi
+}
+
+src_prepare() {
+	default
+
+	# sed unfortunately feels easier on maintenance than patches here
+	local sedargs=(
+		-e "/num_workers =/s/=.*/= $(makeopts_jobs)/"
+		-e "s/cflags.append.*-O3.*/pass/" -e 's/-O3//'
+		-e "s/cflags.append(fortify_source)/pass/" # use toolchain's _f_s
+		-e "s/ld_flags.append('-[sw]')/pass/"
+	)
+
+	# kitty is often popular on wayland-only setups, try to allow this
+	use !X && sedargs+=( -e '/gl_libs =/s/=.*/= []/' ) #857918
+	use !X || use !wayland &&
+		sedargs+=( -e "s/'x11 wayland'/'$(usex X x11 wayland)'/" )
+
+	# skip docs for live version, missing dependencies
+	[[ ${PV} == 9999 ]] && sedargs+=( -e '/exists.*_build/,/docs(ddir)/d' )
+
+	sed -i setup.py "${sedargs[@]}" || die
+
+	# skip flaky font search, file is replaced in src_install (bug #971276),
+	# without this the font + fontconfig would also be needed in BDEPEND
+	mkdir fonts || die
+	:> fonts/SymbolsNerdFontMono-Regular.ttf || die
+
+	local skiptests=(
+		# broken with nspawn defaults, skip for convenience (bug #954176)
+		kitty_tests/crypto.py
+		# relies on 'who' command which doesn't detect users with pid-sandbox
+		kitty_tests/utmp.py
+		# may fail/hang depending on environment and shell initialization
+		kitty_tests/{shell_integration,ssh}.py
+		# relies on /proc/self/fd and gets confused when ran from here
+		tools/utils/tpmfile_test.go
+		# seems to randomly fail depending on timing (bug #977046)
+		tools/watch/api_test.go
+	)
+	use !test || rm "${skiptests[@]}" || die
+}
+
+src_compile() {
+	tc-export CC
+	local -x PKGCONFIG_EXE=$(tc-getPKG_CONFIG)
+	go-env_set_compile_environment
+
+	local conf=(
+		--disable-link-time-optimization
+		--ignore-compiler-warnings
+		--libdir-name="$(get_libdir)"
+		--shell-integration="enabled no-sudo"
+		--update-check-interval=0
+		--verbose
+	)
+
+	edo "${EPYTHON}" setup.py linux-package "${conf[@]}"
+	use test && edo "${EPYTHON}" setup.py build-launcher "${conf[@]}"
+
+	rm -r linux-package/share/terminfo || die # provided by kitty-terminfo
+
+	if [[ ${PV} == 9999 ]]; then
+		mkdir -p linux-package/share/doc/${PF} || die
+	else
+		mv linux-package/share/doc/{${PN},${PF}} || die
+	fi
+
+	if ! tc-is-cross-compiler; then
+		# generate default config reference, command taken from docs/conf.rst
+		linux-package/bin/kitty +runpy \
+			'from kitty.config import *; print(commented_out_default_config())' \
+			> linux-package/share/doc/${PF}/kitty.conf || die
+
+		# generate shell completions, shell-integration/ has some "old" pre-gen
+		# ones that currently miss things (no bash, no kitten for zsh, etc...)
+		linux-package/bin/kitten __complete__ setup bash > "${T}"/kitty || die
+		linux-package/bin/kitten __complete__ setup fish > "${T}"/kitty.fish || die
+		linux-package/bin/kitten __complete__ setup zsh > "${T}"/_kitty || die
+	fi
+}
+
+src_test() {
+	KITTY_CONFIG_DIRECTORY=${T} ./test.py || die # shebang is kitty
+}
+
+src_install() {
+	edo mv linux-package "${ED}"/usr
+
+	# kitty currently detects and copies the system's nerd font at build
+	# time, then uses that rather than the system's at runtime
+	dosym -r /usr/share/fonts/symbols-nerd-font/SymbolsNerdFontMono-Regular.ttf \
+		/usr/"$(get_libdir)"/kitty/fonts/SymbolsNerdFontMono-Regular.ttf
+
+	if ! tc-is-cross-compiler; then
+		dobashcomp "${T}"/kitty
+		bashcomp_alias kitty edit-in-kitty clone-in-kitty kitten
+		dofishcomp "${T}"/kitty.fish
+		dozshcomp "${T}"/_kitty
+	fi
+}
+
+pkg_postinst() {
+	xdg_pkg_postinst
+
+	optfeature "audio-based terminal bell support" media-libs/libcanberra
+	use X && optfeature "X11 startup notification support" x11-libs/startup-notification
+	optfeature "opening links from the terminal" x11-misc/xdg-utils
+}