diff --git a/dev-python/matrix-nio/Manifest b/dev-python/matrix-nio/Manifest
index c3df489..eb05771 100644
--- a/dev-python/matrix-nio/Manifest
+++ b/dev-python/matrix-nio/Manifest
@@ -1 +1,2 @@
 DIST matrix-nio-0.24.0.gh.tar.gz 253259 BLAKE2B f4ff411701701d44082e452428e0866eb579ecdf833586d5524c77e3a3f0335c8af2af4f0ebd5a8f943986eb41b6e611293d9e2916da33d034ed6cc455df38b5 SHA512 b48b712b3fa75a251ff1f1689bf08feb5df993ec6f8112774a1c413d45e686f90ab6d7e5aa972acbd8a65af070716317aa361607c38e62282b640e7d514dbc08
+DIST matrix-nio-0.25.0_rc3.gh.tar.gz 259694 BLAKE2B f60e0c9970c5119499a3ebaf729dc901414110e93fe3e660b544a90bbba041087ea7d4fb80caaf08679e8ee09e623d28d35a160dd87cf747d54951dca059503a SHA512 61969f1f89b55445ec92e22616bae23a89805f66154022545dbfc4ea5ed2a960b2a04e401aafadb3a243c0abdd7a7025dbc655afdd05400de94b0db932e1e6e2
diff --git a/dev-python/matrix-nio/matrix-nio-0.25.0_rc3.ebuild b/dev-python/matrix-nio/matrix-nio-0.25.0_rc3.ebuild
new file mode 100644
index 0000000..83e2231
--- /dev/null
+++ b/dev-python/matrix-nio/matrix-nio-0.25.0_rc3.ebuild
@@ -0,0 +1,63 @@
+# Copyright 2020-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=poetry
+PYTHON_COMPAT=( python3_{10..12} )
+
+inherit distutils-r1
+
+MY_PV="${PV/_/}"
+
+DESCRIPTION="A Python Matrix client library, designed according to sans I/O principles"
+HOMEPAGE="https://github.com/matrix-nio/matrix-nio"
+SRC_URI="https://github.com/matrix-nio/matrix-nio/archive/${MY_PV}.tar.gz -> ${P}.gh.tar.gz"
+S="${WORKDIR}/${PN}-${MY_PV}"
+
+LICENSE="ISC"
+SLOT="0"
+IUSE="test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-python/python-olm-3.2.15[${PYTHON_USEDEP}]
+	>=dev-python/aiohttp-3.9.0[${PYTHON_USEDEP}]
+	>=dev-python/aiohttp-socks-0.8.4[${PYTHON_USEDEP}]
+	>=dev-python/aiofiles-23.1.0[${PYTHON_USEDEP}]
+	>=dev-python/atomicwrites-1.4.0[${PYTHON_USEDEP}]
+	>=dev-python/cachetools-4.2.1[${PYTHON_USEDEP}]
+	>=dev-python/h11-0.14.0[${PYTHON_USEDEP}]
+	>=dev-python/h2-4.0.0[${PYTHON_USEDEP}]
+	>=dev-python/jsonschema-4.4.0[${PYTHON_USEDEP}]
+	>=dev-python/peewee-3.17.0[${PYTHON_USEDEP}]
+	>=dev-python/pycryptodome-3.10.1[${PYTHON_USEDEP}]
+	>=dev-python/unpaddedbase64-2.1.0[${PYTHON_USEDEP}]
+"
+DEPEND="
+	test? (
+		${RDEPEND}
+		>=dev-python/aioresponses-0.7.4[${PYTHON_USEDEP}]
+		>=dev-python/Faker-8.0.0[${PYTHON_USEDEP}]
+		>=dev-python/pytest-aiohttp-0.3.0[${PYTHON_USEDEP}]
+		>=dev-python/hpack-4.0.0[${PYTHON_USEDEP}]
+		>=dev-python/hyperframe-6.0.0[${PYTHON_USEDEP}]
+		>=dev-python/hypothesis-6.8.9[${PYTHON_USEDEP}]
+		>=dev-python/mypy-0.812[${PYTHON_USEDEP}]
+	)
+"
+
+distutils_enable_tests pytest
+# m2r2 mistune woes
+#distutils_enable_sphinx doc dev-python/sphinx-autodoc-typehints dev-python/sphinx-rtd-theme dev-python/m2r2
+
+EPYTEST_DESELECT=(
+	# breaks network sandbox
+	"tests/async_client_test.py::TestClass::test_connect_wrapper"
+	# requires pytest-benchmark, not much value in pass/no pass tests
+	"tests/key_export_test.py::TestClass::test_decrypt_rounds"
+	"tests/key_export_test.py::TestClass::test_encrypt_rounds"
+	# flaky
+	"tests/async_client_test.py::TestClass::test_transfer_monitor_callbacks"
+)