diff --git a/dev-games/godot/Manifest b/dev-games/godot/Manifest
index fb6beddae63c7..07dca500db2f5 100644
--- a/dev-games/godot/Manifest
+++ b/dev-games/godot/Manifest
@@ -1,3 +1,4 @@
 DIST godot-4.4.1-stable.tar.xz 37561040 BLAKE2B 6c424f1faa28b43a9835ea80a75de273f81877e180c0664b39080a7fa57d4d580a9b9fc6bed50a308f3a15a429c9b93d63cee99a347d6cf1cbe87b870a76f284 SHA512 f67882a70dc9e2d2efbbc9cda657f292ba05bb4c8341809c56fe054979032a93b04f9125815865efeaa269cf404010eb74f075a37faebb2a8f28be5abb706480
 DIST godot-4.5.2-stable.tar.xz 43877740 BLAKE2B fc54a347534697fa7eea0a53d977689f2ece35b997fe3546f8c8175745628ba14b0880c177783bdfbd5cb0052eb54d1c710841bacda8200a26c51822e06ba635 SHA512 18ee93e0b39d965244662e64f82597722e99a17e63f90d976de65abf77238587e00e11b68ce749698d625babe0077de6e12a66dc0aa68e0039bb93dbb7243c75
 DIST godot-4.6.2-stable.tar.xz 44462576 BLAKE2B fe07d756bbdf5e0c8fcb42e42fcc955b488b55267959aad40b1a7c908b80557e830a6a06f9c95c0dfa51e46db151a7f0f7f4a8cfe090363fefb5db9980993bff SHA512 02ac162288af72441814961d703b5b48df8a5e12af760fc0ac333c033b1175c11c57db7eb6b3e327af827957e6effa8aedface2c73cdcfa9a52573ce604a9ac9
+DIST godot-4.6.3-stable.tar.xz 44471880 BLAKE2B 9d4b0fdf4b75db3062e229b2cf43746620e51da83f9859bf06e691d36249bd5394ca8f6086dbc943a7eb4e44f55a28b32fb615fcb94b511bf41ad82dfc718ed9 SHA512 b3e4c63eae7b7e0c47da07ae64d49dca5bf033912ea0a0da5440fcee48b4eb16c75e446374e7916c4ca2c6ff39ed7f3833e4cc2761df73765a660f715770f803
diff --git a/dev-games/godot/godot-4.6.3.ebuild b/dev-games/godot/godot-4.6.3.ebuild
new file mode 100644
index 0000000000000..b64fb9994c036
--- /dev/null
+++ b/dev-games/godot/godot-4.6.3.ebuild
@@ -0,0 +1,241 @@
+# Copyright 2022-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit branding desktop python-any-r1 flag-o-matic scons-utils
+inherit shell-completion toolchain-funcs xdg
+
+DESCRIPTION="Multi-platform 2D and 3D game engine with a feature-rich editor"
+HOMEPAGE="https://godotengine.org/"
+SRC_URI="
+	https://github.com/godotengine/godot/releases/download/${PV}-stable/${P}-stable.tar.xz
+"
+S=${WORKDIR}/${P}-stable
+
+LICENSE="
+	MIT
+	Apache-2.0 BSD Boost-1.0 CC0-1.0 Unlicense ZLIB
+	gui? ( CC-BY-4.0 ) tools? ( OFL-1.1 )
+"
+SLOT="0"
+KEYWORDS="~amd64"
+# Enable roughly same as upstream by default so it works as expected,
+# except raycast (tools-only heavy dependency), and deprecated.
+IUSE="
+	accessibility alsa +dbus debug deprecated double-precision +fontconfig
+	+gui pulseaudio raycast speech test +sdl +theora +tools +udev +upnp
+	+vulkan wayland +webp
+"
+REQUIRED_USE="wayland? ( gui )"
+# TODO: tests still need more figuring out
+RESTRICT="test"
+
+# dlopen: libglvnd
+RDEPEND="
+	app-arch/brotli:=
+	app-arch/zstd:=
+	dev-games/recastnavigation:=
+	dev-libs/icu:=
+	dev-libs/libpcre2:=[pcre32]
+	media-libs/freetype[brotli,harfbuzz]
+	media-libs/harfbuzz:=[icu]
+	media-libs/libjpeg-turbo:=
+	media-libs/libogg
+	media-libs/libpng:=
+	media-libs/libvorbis
+	>=net-libs/mbedtls-3.6.2-r101:3=
+	net-libs/wslay
+	virtual/zlib:=
+	alsa? ( media-libs/alsa-lib )
+	dbus? ( sys-apps/dbus )
+	fontconfig? ( media-libs/fontconfig )
+	gui? (
+		media-libs/libglvnd
+		x11-libs/libX11
+		x11-libs/libXcursor
+		x11-libs/libXext
+		x11-libs/libXi
+		x11-libs/libXinerama
+		x11-libs/libXrandr
+		x11-libs/libXrender
+		x11-libs/libxkbcommon
+		tools? ( raycast? ( media-libs/embree:4 ) )
+		vulkan? ( media-libs/vulkan-loader[X,wayland?] )
+	)
+	pulseaudio? ( media-libs/libpulse )
+	sdl? ( media-libs/libsdl3 )
+	speech? ( app-accessibility/speech-dispatcher )
+	theora? (
+		media-libs/libtheora:=
+		tools? ( media-libs/libtheora[encode] )
+	)
+	tools? ( app-misc/ca-certificates )
+	udev? ( virtual/udev )
+	upnp? ( net-libs/miniupnpc:= )
+	wayland? (
+		dev-libs/wayland
+		gui-libs/libdecor
+	)
+	webp? ( media-libs/libwebp:= )
+"
+DEPEND="
+	${RDEPEND}
+	gui? ( x11-base/xorg-proto )
+	tools? ( test? ( dev-cpp/doctest ) )
+"
+BDEPEND="
+	virtual/pkgconfig
+	wayland? ( dev-util/wayland-scanner )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-4.5-scons.patch
+)
+
+src_prepare() {
+	default
+
+	# mbedtls normally has mbedtls.pc, but Gentoo's slotted one is mbedtls-3.pc
+	sed -E "/pkg-config/s/(mbedtls|mbedcrypto|mbedx509)/&-3/g" \
+		-i platform/linuxbsd/detect.py || die
+
+	sed -i "s|pkg-config |$(tc-getPKG_CONFIG) |" platform/linuxbsd/detect.py || die
+
+	# use of builtin_ switches can be messy (see below), delete to be sure
+	local unbundle=(
+		brotli doctest embree freetype graphite harfbuzz icu4c libjpeg-turbo
+		libogg libpng libtheora libvorbis libwebp linuxbsd_headers mbedtls
+		miniupnpc pcre2 recastnavigation sdl volk wslay zlib zstd
+		# certs: unused by generated header, but scons panics if not found
+	)
+	rm -r "${unbundle[@]/#/thirdparty/}" || die
+
+	ln -s -- "${ESYSROOT}"/usr/include/doctest thirdparty/ || die
+}
+
+src_compile() {
+	local -x BUILD_NAME=${BRANDING_OS_ID} # replaces "custom_build" in version
+
+	filter-lto #921017
+
+	local esconsargs=(
+		AR="$(tc-getAR)" CC="$(tc-getCC)" CXX="$(tc-getCXX)"
+
+		progress=no
+		verbose=yes
+
+		target=$(usex tools editor template_$(usex debug{,} release))
+		dev_build=$(usex debug)
+		tests=$(usex tools $(usex test)) # bakes in --test in final binary
+
+		# TODO?: libgodot requires a separate build given the executable
+		# the library are mutally exculsive and so, unless we really need
+		# it, skipping support to ease maintenance at least for now
+		#library_type=$(usex libgodot shared_library executable)
+
+		accesskit=$(usex accessibility)
+		alsa=$(usex alsa)
+		dbus=$(usex dbus)
+		deprecated=$(usex deprecated)
+		precision=$(usex double-precision double single)
+		execinfo=no # not packaged, disables crash handler if non-glibc
+		fontconfig=$(usex fontconfig)
+		opengl3=$(usex gui)
+		pulseaudio=$(usex pulseaudio)
+		sdl=$(usex sdl)
+		speechd=$(usex speech)
+		udev=$(usex udev)
+		use_sowrap=no
+		use_volk=no # unnecessary when linking directly to libvulkan
+		vulkan=$(usex gui $(usex vulkan))
+		wayland=$(usex wayland)
+		# TODO: retry to add optional USE=X, wayland support is new
+		# and gui build is not well wired to handle USE="-X wayland" yet
+		x11=$(usex gui)
+
+		system_certs_path="${EPREFIX}"/etc/ssl/certs/ca-certificates.crt
+
+		# platform/*/detect.py uses builtin_* switches to check if need
+		# to link with system libraries, but many ignore whether the dep
+		# is actually used, so "enable" deleted builtins on disabled deps
+		builtin_accesskit=yes # not packaged
+		builtin_brotli=no
+		builtin_certs=no
+		builtin_clipper2=yes # not packaged
+		builtin_embree=$(usex !gui yes $(usex !tools yes $(usex !raycast)))
+		builtin_enet=yes # bundled copy is patched for IPv6+DTLS support
+		builtin_freetype=no
+		builtin_glslang=yes #879111 (for now, may revisit if more stable)
+		builtin_graphite=no
+		builtin_harfbuzz=no
+		builtin_icu4c=no
+		builtin_libjpeg_turbo=no
+		builtin_libogg=no
+		builtin_libpng=no
+		builtin_libtheora=$(usex !theora)
+		builtin_libvorbis=no
+		builtin_libwebp=$(usex !webp)
+		builtin_mbedtls=no
+		builtin_miniupnpc=$(usex !upnp)
+		builtin_msdfgen=yes # not wired for unbundling nor packaged
+		builtin_openxr=yes # not packaged
+		builtin_pcre2=no
+		builtin_recastnavigation=no
+		builtin_rvo2=yes # bundled copy has godot-specific changes
+		builtin_sdl=$(usex !sdl)
+		builtin_wslay=no
+		builtin_xatlas=yes # not wired for unbundling nor packaged
+		builtin_zlib=no
+		builtin_zstd=no
+		# (more is bundled in third_party/ but they lack builtin_* switches)
+
+		# modules with optional dependencies, "possible" to disable more but
+		# gets messy and breaks all sorts of features (expected enabled)
+		module_mono_enabled=no # unhandled
+		# note raycast is only enabled on amd64+arm64 and USE should
+		# be masked for other keywords if added, see raycast/config.py
+		module_raycast_enabled=$(usex gui $(usex tools $(usex raycast)))
+		module_theora_enabled=$(usex theora)
+		module_upnp_enabled=$(usex upnp)
+		module_webp_enabled=$(usex webp)
+
+		# let *FLAGS handle these
+		debug_symbols=no
+		lto=none
+		optimize=custom
+		use_static_cpp=no
+	)
+
+	escons "${esconsargs[@]}"
+}
+
+src_test() {
+	xdg_environment_reset
+
+	bin/godot* --headless --test || die
+}
+
+src_install() {
+	# suffix varies depending on arch/features, use wildcard to simplify
+	newbin bin/godot* godot
+
+	doman misc/dist/linux/godot.6
+	dodoc AUTHORS.md CHANGELOG.md DONORS.md README.md
+
+	if use gui; then
+		newicon icon.svg godot.svg
+		domenu misc/dist/linux/org.godotengine.Godot.desktop
+
+		insinto /usr/share/metainfo
+		doins misc/dist/linux/org.godotengine.Godot.appdata.xml
+
+		insinto /usr/share/mime/application
+		doins misc/dist/linux/org.godotengine.Godot.xml
+	fi
+
+	newbashcomp misc/dist/shell/godot.bash-completion godot
+	newfishcomp misc/dist/shell/godot.fish godot.fish
+	newzshcomp misc/dist/shell/_godot.zsh-completion _godot
+}