diff --git a/graphics/matplotplusplus/Makefile b/graphics/matplotplusplus/Makefile
index dabc4371caa3..fd99d1e3a841 100644
--- a/graphics/matplotplusplus/Makefile
+++ b/graphics/matplotplusplus/Makefile
@@ -1,30 +1,33 @@
 PORTNAME=	matplotplusplus
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.2.1
-PORTREVISION=	5
+DISTVERSION=	1.2.2
 CATEGORIES=	graphics devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ graphics library for data visualization
-WWW=		https://alandefreitas.github.io/matplotplusplus/
+WWW=		https://alandefreitas.github.io/matplotplusplus/ \
+		https://github.com/alandefreitas/matplotplusplus
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libfftw3.so:math/fftw3 \
 		libfftw3f.so:math/fftw3-float \
 		libopenblas.so:math/openblas \
 		libpng16.so:graphics/png \
 		libtiff.so:graphics/tiff
 RUN_DEPENDS=	gnuplot:math/gnuplot
 
-USES=		cmake compiler:c++17-lang jpeg
+USES=		cmake:testing compiler:c++17-lang jpeg
 USE_WX=		3.2+
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	alandefreitas
 
 CMAKE_ON=	BUILD_SHARED_LIBS
-CMAKE_OFF=	BUILD_TESTING BUILD_EXAMPLES
+CMAKE_OFF=	BUILD_TESTING MATPLOTPP_BUILD_EXAMPLES
+CMAKE_TESTING_ON=	BUILD_TESTING MATPLOTPP_BUILD_TESTS MATPLOTPP_BUILD_EXAMPLES
+
+# tests as of 1.2.2: 100% tests passed, 0 tests failed out of 545 (tests need ENTER to be pressed for them to proceed, see https://github.com/alandefreitas/matplotplusplus/issues/478)
 
 .include <bsd.port.mk>
diff --git a/graphics/matplotplusplus/distinfo b/graphics/matplotplusplus/distinfo
index 2501a45af2bb..5fa97e4af366 100644
--- a/graphics/matplotplusplus/distinfo
+++ b/graphics/matplotplusplus/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1714116673
-SHA256 (alandefreitas-matplotplusplus-v1.2.1_GH0.tar.gz) = 9dd7cc92b2425148f50329f5a3bf95f9774ac807657838972d35334b5ff7cb87
-SIZE (alandefreitas-matplotplusplus-v1.2.1_GH0.tar.gz) = 38999774
+TIMESTAMP = 1764082873
+SHA256 (alandefreitas-matplotplusplus-v1.2.2_GH0.tar.gz) = c7434b4fea0d0cc3508fd7104fafbb2fa7c824b1d2ccc51c52eaee26fc55a9a0
+SIZE (alandefreitas-matplotplusplus-v1.2.2_GH0.tar.gz) = 39002649
diff --git a/graphics/matplotplusplus/files/patch-source_matplot_util_popen.cpp b/graphics/matplotplusplus/files/patch-source_matplot_util_popen.cpp
new file mode 100644
index 000000000000..b5377630c1e6
--- /dev/null
+++ b/graphics/matplotplusplus/files/patch-source_matplot_util_popen.cpp
@@ -0,0 +1,11 @@
+--- source/matplot/util/popen.cpp.orig	2025-11-25 15:11:25 UTC
++++ source/matplot/util/popen.cpp
+@@ -121,7 +121,7 @@ int common_pipe::close(int *exit_code)
+ }
+ #endif // _WIN32 implementtion
+ 
+-#if defined(__linux) || defined(__APPLE__)
++#if defined(__linux) || defined(__APPLE__) || defined(__FreeBSD__)
+ 
+ #include <cerrno>
+ #include <sys/wait.h> // waitpid
diff --git a/graphics/matplotplusplus/files/patch-source_matplot_util_popen.h b/graphics/matplotplusplus/files/patch-source_matplot_util_popen.h
new file mode 100644
index 000000000000..64cc9233d281
--- /dev/null
+++ b/graphics/matplotplusplus/files/patch-source_matplot_util_popen.h
@@ -0,0 +1,11 @@
+--- source/matplot/util/popen.h.orig	2025-11-25 15:02:56 UTC
++++ source/matplot/util/popen.h
+@@ -23,7 +23,7 @@ class proc_pipe  (protected)
+     FILE *file_ = nullptr; ///< C file handle for I/O (not both)
+ };
+ 
+-#elif defined(__linux) || defined(__APPLE__)
++#elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD__)
+ 
+ #include <unistd.h> // pid_t
+ 
diff --git a/graphics/matplotplusplus/pkg-plist b/graphics/matplotplusplus/pkg-plist
index df66f3ce6a0b..488818087c76 100644
--- a/graphics/matplotplusplus/pkg-plist
+++ b/graphics/matplotplusplus/pkg-plist
@@ -1,52 +1,53 @@
 include/matplot/axes_objects/bars.h
 include/matplot/axes_objects/box_chart.h
 include/matplot/axes_objects/circles.h
 include/matplot/axes_objects/contours.h
 include/matplot/axes_objects/error_bar.h
 include/matplot/axes_objects/filled_area.h
 include/matplot/axes_objects/function_line.h
 include/matplot/axes_objects/histogram.h
 include/matplot/axes_objects/labels.h
 include/matplot/axes_objects/line.h
 include/matplot/axes_objects/matrix.h
 include/matplot/axes_objects/network.h
 include/matplot/axes_objects/parallel_lines.h
 include/matplot/axes_objects/stair.h
 include/matplot/axes_objects/string_function.h
 include/matplot/axes_objects/surface.h
 include/matplot/axes_objects/vectors.h
 include/matplot/backend/backend_interface.h
 include/matplot/backend/backend_registry.h
 include/matplot/backend/gnuplot.h
 include/matplot/backend/opengl.h
 include/matplot/backend/opengl_embed.h
 include/matplot/core/axes_object.h
 include/matplot/core/axes_type.h
 include/matplot/core/axis_type.h
 include/matplot/core/figure_registry.h
 include/matplot/core/figure_type.h
 include/matplot/core/legend.h
 include/matplot/core/line_spec.h
 include/matplot/detail/config.h
 include/matplot/detail/exports.h
 include/matplot/freestanding/axes_functions.h
 include/matplot/freestanding/axes_lim.h
 include/matplot/freestanding/figure_functions.h
 include/matplot/freestanding/histcounts.h
 include/matplot/freestanding/plot.h
 include/matplot/matplot.h
 include/matplot/util/colors.h
 include/matplot/util/common.h
 include/matplot/util/concepts.h
 include/matplot/util/contourc.h
 include/matplot/util/geodata.h
 include/matplot/util/handle_types.h
 include/matplot/util/keywords.h
 include/matplot/util/popen.h
 include/matplot/util/type_traits.h
 lib/cmake/Matplot++/Matplot++Config.cmake
 lib/cmake/Matplot++/Matplot++ConfigVersion.cmake
 lib/cmake/Matplot++/Matplot++Targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/Matplot++/Matplot++Targets.cmake
 lib/libmatplot.so
+lib/libmatplot.so.1
 lib/libmatplot.so.1.2.0