diff --git a/dev-util/shader-slang/Manifest b/dev-util/shader-slang/Manifest
index 0ba6da5b56fce..dc130803514a1 100644
--- a/dev-util/shader-slang/Manifest
+++ b/dev-util/shader-slang/Manifest
@@ -1 +1,2 @@
 DIST shader-slang-2026.14.1.tar.xz 22310728 BLAKE2B ee9e47f34145041bc28a5b3508546be06f246f8575e3ca3885db156ec55ca73ecf5ff8cd8cca3cbde86e3b0ec5716c4ba17764419afc7772099aff77c1d84a6c SHA512 5ff4d6acc6deaa1fd34266700ef39a1550a05a969ec756d1fdcda7fa3d3a358c25eadde946ef88cca1c445e3abe223e2b3bfe56241245f6a9352eede6437a798
+DIST shader-slang-2026.16.tar.xz 23454972 BLAKE2B c9b5bceec3799485d054902c691e6d6b4ff3403c998eff2d87aa303631b8bfd7c919cb16e41f564760fc399816bbd434d1e95924626269919d385708ccc39f8d SHA512 5d88c58a5a00c00e714e32d30481ef362b9a0e85c7d06414e8a22e85f502986707599a04d817d3c2806fe55ad01f58b156bcc8f7ea160a2d4abbcf7bdc70b420
diff --git a/dev-util/shader-slang/shader-slang-2026.16.ebuild b/dev-util/shader-slang/shader-slang-2026.16.ebuild
new file mode 100644
index 0000000000000..cca514793a954
--- /dev/null
+++ b/dev-util/shader-slang/shader-slang-2026.16.ebuild
@@ -0,0 +1,95 @@
+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake flag-o-matic
+
+DESCRIPTION="Making it easier to work with shaders"
+HOMEPAGE="https://shader-slang.org/"
+# tarball is same as upstream except for including git submodules
+SRC_URI="https://distfiles.gentoo.org/pub/dev/ionen@gentoo.org/${P}.tar.xz"
+
+LICENSE="
+	Apache-2.0-with-LLVM-exceptions
+	Apache-2.0 Boost-1.0 CC-BY-4.0 MIT Unlicense UoI-NCSA
+"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~arm64 ~x86"
+
+# needs an annoying submodule that fetches many things, tests seem to
+# do runtime compilation that fail due to missing headers, and they
+# also need special care and be fed a list of expected failures
+# (currently only needed to build x11-terms/kitty, do it as a test)
+RESTRICT="test"
+
+RDEPEND="
+	app-arch/lz4:=
+	dev-libs/miniz:=
+	dev-util/glslang:=
+	dev-util/spirv-tools
+"
+DEPEND="
+	${RDEPEND}
+	>=dev-util/spirv-headers-1.4.350
+	dev-util/vulkan-headers
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2026.14.1-includedir.patch
+	"${FILESDIR}"/${PN}-2026.14.1-libdir.patch
+	"${FILESDIR}"/${PN}-2026.14.1-lz4.patch
+	"${FILESDIR}"/${PN}-2026.14.1-system-glslang.patch
+)
+
+# triggers on examples and other unused subdirs
+CMAKE_QA_COMPAT_SKIP=1
+
+# these are modules and do not need a soname
+QA_SONAME="
+	usr/lib.*/libslang-glsl-module-.*.so
+	usr/lib.*/libslang-glslang-.*.so
+"
+
+src_configure() {
+	# https://github.com/shader-slang/slang/issues/6330
+	use elibc_musl && append-lfs-flags
+
+	local mycmakeargs=(
+		-DSLANG_ENABLE_PCH=no
+		-DSLANG_ENABLE_SLANG_GLSLANG=yes
+		-DSLANG_ENABLE_SPLIT_DEBUG_INFO=no
+		-DSLANG_USE_SYSTEM_GLSLANG=yes
+		-DSLANG_USE_SYSTEM_LZ4=yes
+		-DSLANG_USE_SYSTEM_MINIZ=yes
+		-DSLANG_USE_SYSTEM_SPIRV_HEADERS=yes
+		-DSLANG_USE_SYSTEM_SPIRV_TOOLS=yes
+		-DSLANG_USE_SYSTEM_VULKAN_HEADERS=yes
+		-DSLANG_VERSION_{FULL,NUMERIC}=${PV}
+
+		# avoid collisions with sys-libs/slang
+		-DCMAKE_INSTALL_INCLUDEDIR=include/${PN}
+		-DSLANG_ENABLE_SLANG_PROXY=no
+
+		# options disabled for simplicity, will revisit only if needed
+		# (some have issues ranging from build failure to live fetching)
+		-DSLANG_ENABLE_AFTERMATH=no
+		-DSLANG_ENABLE_CUDA=no
+		-DSLANG_ENABLE_DXIL=no
+		-DSLANG_ENABLE_EXAMPLES=no
+		-DSLANG_ENABLE_GFX=no
+		-DSLANG_ENABLE_OPTIX=no
+		-DSLANG_ENABLE_SLANG_RHI=no
+		-DSLANG_ENABLE_TESTS=no
+		-DSLANG_SLANG_LLVM_FLAVOR=DISABLE
+	)
+
+	cmake_src_configure
+}
+
+src_install() {
+	local DOCS=()
+	cmake_src_install
+
+	mv -- "${ED}"/usr/share/doc/{slang,${PF}} || die
+}