Will be needed to update to nheko 0.12.1. It's a major shlib bump.
previous patch has been applied upstream

ok ?

Index: Makefile
===================================================================
RCS file: /local/cvs/ports/devel/mtxclient/Makefile,v
diff -u -p -u -r1.14 Makefile
--- Makefile	31 Aug 2025 14:49:18 -0000	1.14
+++ Makefile	13 Sep 2025 13:37:55 -0000
@@ -1,12 +1,11 @@
 COMMENT =	client API for Matrix, built on libcurl
 CATEGORIES =	devel
 
-SHARED_LIBS +=  matrix_client	3.0
+SHARED_LIBS +=  matrix_client	4.0
 
 GH_ACCOUNT =	Nheko-Reborn
 GH_PROJECT =	mtxclient
-GH_TAGNAME =	v0.10.0
-REVISION =	4
+GH_TAGNAME =	v0.10.1
 
 # MIT
 PERMIT_PACKAGE =	Yes
Index: distinfo
===================================================================
RCS file: /local/cvs/ports/devel/mtxclient/distinfo,v
diff -u -p -u -r1.4 distinfo
--- distinfo	10 Jul 2024 07:00:58 -0000	1.4
+++ distinfo	13 Sep 2025 13:37:55 -0000
@@ -1,2 +1,2 @@
-SHA256 (mtxclient-0.10.0.tar.gz) = lQLgqZnShzFy1Qu4A3HAYSZhJsfU245ERH63DJd7AjA=
-SIZE (mtxclient-0.10.0.tar.gz) = 633765
+SHA256 (mtxclient-0.10.1.tar.gz) = IDvkagjh3Gz8Bo0JEfOwmXb0jkzEMCw1F7nA9OU2MeM=
+SIZE (mtxclient-0.10.1.tar.gz) = 636035
Index: patches/patch-include_mtxclient_http_errors_hpp
===================================================================
RCS file: patches/patch-include_mtxclient_http_errors_hpp
diff -N patches/patch-include_mtxclient_http_errors_hpp
--- patches/patch-include_mtxclient_http_errors_hpp	19 Jul 2024 12:55:36 -0000	1.1
+++ /dev/null	1 Jan 1970 00:00:00 -0000
@@ -1,23 +0,0 @@
-Fix build with fmt 11
-
-Index: include/mtxclient/http/errors.hpp
---- include/mtxclient/http/errors.hpp.orig
-+++ include/mtxclient/http/errors.hpp
-@@ -87,7 +87,7 @@ struct fmt::formatter<mtx::http::ClientError>
-     // Formats the point p using the parsed format specification (presentation)
-     // stored in this formatter.
-     template<typename FormatContext>
--    auto format(const mtx::http::ClientError &e, FormatContext &ctx) -> decltype(ctx.out())
-+    auto format(const mtx::http::ClientError &e, FormatContext &ctx) const -> decltype(ctx.out())
-     {
-         // ctx.out() is an output iterator to write to.
-         bool prepend_comma = false;
-@@ -132,7 +132,7 @@ struct fmt::formatter<std::optional<mtx::http::ClientE
- {
-     // parse is inherited from formatter<string_view>.
-     template<typename FormatContext>
--    auto format(std::optional<mtx::http::ClientError> c, FormatContext &ctx)
-+    auto format(std::optional<mtx::http::ClientError> c, FormatContext &ctx) const
-     {
-         if (!c)
-             return fmt::format_to(ctx.out(), "(no error)");
Index: pkg/PLIST
===================================================================
RCS file: /local/cvs/ports/devel/mtxclient/pkg/PLIST,v
diff -u -p -u -r1.5 PLIST
--- pkg/PLIST	16 Aug 2024 16:40:31 -0000	1.5
+++ pkg/PLIST	13 Sep 2025 13:37:55 -0000
@@ -41,6 +41,7 @@ include/mtx/events/name.hpp
 include/mtx/events/nheko_extensions/
 include/mtx/events/nheko_extensions/event_expiry.hpp
 include/mtx/events/nheko_extensions/hidden_events.hpp
+include/mtx/events/nheko_extensions/invite_permissions.hpp
 include/mtx/events/pinned_events.hpp
 include/mtx/events/policy_rules.hpp
 include/mtx/events/power_levels.hpp
@@ -95,7 +96,6 @@ include/mtxclient/http/client.hpp
 include/mtxclient/http/client_impl.hpp
 include/mtxclient/http/errors.hpp
 include/mtxclient/utils.hpp
-lib/cmake/
 lib/cmake/MatrixClient/
 lib/cmake/MatrixClient/MatrixClientConfig.cmake
 lib/cmake/MatrixClient/MatrixClientConfigVersion.cmake

-- 
Matthieu Herrb