diff --git a/media-libs/glycin-loaders/Manifest b/media-libs/glycin-loaders/Manifest
index 626b5efef6afc..d7ecb389b5d17 100644
--- a/media-libs/glycin-loaders/Manifest
+++ b/media-libs/glycin-loaders/Manifest
@@ -1 +1,2 @@
 DIST glycin-1.1.4.tar.xz 28352904 BLAKE2B 0623a05462fb8a59d9d7e7f49968b4b68a26bd4f2088702d857048f206e9bc466907dfe2b979fdd4f80ee08e9daa888e4210cc177ca8ca5cc87fc9c10bd86e03 SHA512 8bfeefbbc36794d8b57ac86a0166038372c93aeec65a335db91a098f7442f9d33838c7f657f6a98b5528f62f89cc24b6d52e0e45738e333a3fe0179d0b02ee8c
+DIST glycin-1.2.beta.1.tar.xz 36989732 BLAKE2B 47e9d07f5487767fa0625fda352e6cb686227474addc38d2bc8acde1cb81689d62bd834949a82302153bdbe6dc3a08bb42f7fd1ba85ea67c61f62a7ba08d1b2a SHA512 2479f8044745e9203e2733359248d78e01cf1407eda770478936101dc7cbf32218c6c6cb21583b6e2444eecb8645c81cb8b9c73c6986593908cf6b11e4a5a25d
diff --git a/media-libs/glycin-loaders/glycin-loaders-1.2_beta1.ebuild b/media-libs/glycin-loaders/glycin-loaders-1.2_beta1.ebuild
new file mode 100644
index 0000000000000..fddb3302d02e5
--- /dev/null
+++ b/media-libs/glycin-loaders/glycin-loaders-1.2_beta1.ebuild
@@ -0,0 +1,95 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# crates vendored upstream
+CRATES="
+"
+
+inherit cargo meson
+
+MY_P=glycin-${PV%_*}.beta.${PV#*beta}
+DESCRIPTION="Loaders for glycin clients (glycin crate or libglycin)"
+HOMEPAGE="https://gitlab.gnome.org/GNOME/glycin/"
+SRC_URI="
+	https://download.gnome.org/sources/glycin/$(ver_cut 1-2)/${MY_P}.tar.xz
+"
+S=${WORKDIR}/${MY_P}
+
+LICENSE="|| ( LGPL-2.1+ MPL-2.0 )"
+# Dependent crate licenses
+LICENSE+="
+	Apache-2.0 Apache-2.0-with-LLVM-exceptions BSD GPL-3+ ISC LGPL-3+
+	MIT Unicode-3.0
+	|| ( LGPL-2.1+ MPL-2.0 )
+"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="heif jpegxl svg test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-libs/glib-2.60:2
+	>=sys-libs/libseccomp-2.5.0
+	heif? ( >=media-libs/libheif-1.17.0:= )
+	jpegxl? ( >=media-libs/libjxl-0.10.0:= )
+	svg? (
+		>=gnome-base/librsvg-2.52.0:2
+		>=x11-libs/cairo-1.17.0
+	)
+"
+DEPEND="
+	${RDEPEND}
+	test? (
+		>=gui-libs/gtk-4.12.0:4
+		>=media-libs/lcms-2.14:2
+	)
+"
+BDEPEND="
+	test? (
+		sys-apps/bubblewrap
+		sys-apps/dbus
+	)
+"
+
+ECARGO_VENDOR=${S}/vendor
+
+QA_FLAGS_IGNORED="usr/libexec/glycin-loaders/.*"
+
+src_prepare() {
+	default
+
+	# https://gitlab.gnome.org/GNOME/glycin/-/issues/81
+	sed -i -e '\|/fonts|d' tests/tests.rs || die
+	# avoid depending on git
+	# https://gitlab.gnome.org/GNOME/glycin/-/issues/110
+	sed -i -e 's/git/false/' loaders/meson.build || die
+}
+
+src_configure() {
+	local formats=(
+		$(usev heif glycin-heif)
+		$(usev jpegxl glycin-jxl)
+		$(usev svg glycin-svg)
+		glycin-image-rs
+	)
+	local formats_s=${formats[*]}
+	local emesonargs=(
+		-Dprofile=$(usex debug dev release)
+		-Dglycin-loaders=true
+		-Dloaders="${formats_s// /,}"
+		-Dtests=$(usex test true false)
+		-Dlibglycin=false
+	)
+
+	meson_src_configure
+	ln -s "${CARGO_HOME}" "${BUILD_DIR}/cargo-home" || die
+}
+
+src_test() {
+	# tests write to /proc/*/uid_map
+	# apparently, "addpredict /" in Portage breaks it
+	local -x SANDBOX_ON=0
+	meson_src_test
+}