diff --git a/devel/libsavitar/Makefile b/devel/libsavitar/Makefile
index 4623ee716921..699b3c201bf6 100644
--- a/devel/libsavitar/Makefile
+++ b/devel/libsavitar/Makefile
@@ -1,23 +1,27 @@
 PORTNAME=	libSavitar
 DISTVERSION=	4.13.1
+PORTREVISION=	1
 CATEGORIES=	devel cad
 DIST_SUBDIR=	Ultimaker
 
 MAINTAINER=	db@FreeBSD.org
 COMMENT=	C++ implementation of 3mf loading/python bindings
 WWW=		https://github.com/Ultimaker/libSavitar
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Fails to build with modern python
+EXPIRATION_DATE=	2024-06-29
+
 BUILD_DEPENDS=	sip:devel/py-sip4
 LIB_DEPENDS=	libpugixml.so:textproc/pugixml
 
 USES=		cmake compiler:c++11-lang python pyqt:5 gettext-runtime
 USE_GITHUB=	yes
 GH_ACCOUNT=	Ultimaker
 USE_LDCONFIG=	yes
 CFLAGS+=	"-I${LOCALBASE}/include"
 LDFLAGS+=	"-L${LOCALBASE}/lib"
 
 .include <bsd.port.mk>
diff --git a/devel/py-pynest2d/Makefile b/devel/py-pynest2d/Makefile
index 4c2f540833eb..7dd6ff12be9d 100644
--- a/devel/py-pynest2d/Makefile
+++ b/devel/py-pynest2d/Makefile
@@ -1,30 +1,33 @@
 PORTNAME=	pynest2d
 # XXX there is no 4.13.1
 DISTVERSION=	4.12.1
-PORTREVISION=	3
+PORTREVISION=	4
 CATEGORIES=	devel python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	db@FreeBSD.org
 COMMENT=	CPython bindings for libnest2d by Ultimaker
 WWW=		https://github.com/Ultimaker/libnest2d
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Fails to build with modern python
+EXPIRATION_DATE=	2024-06-29
+
 RUN_DEPENDS=	${LOCALBASE}/include/libnest2d/libnest2d.hpp:devel/libnest2d-ultimaker
 BUILD_DEPENDS=	${LOCALBASE}/include/libnest2d/libnest2d.hpp:devel/libnest2d-ultimaker \
 		sip:devel/py-sip4
 LIB_DEPENDS=	libpolyclipping.so:graphics/polyclipping \
 		libboost_system.so:devel/boost-libs \
 		libnlopt.so:math/nlopt
 
 USES=		python cmake compiler:c++11-lang pyqt:5 pkgconfig
 USE_PYTHON=	flavors
 
 USE_GITHUB=	yes
 GH_TUPLE=	Ultimaker:pynest2d:baec470
 CMAKE_ARGS=	-DLIBNEST2D_INCLUDE_DIRS=${PREFIX}/include/libnest2d
 
 CONFIGURE_ENV=	CLIPPER_PATH=${LOCALBASE} VERBOSE=y
 .include <bsd.port.mk>
diff --git a/devel/py-sip4/Makefile b/devel/py-sip4/Makefile
index ad15d855c4b1..a8fbe67ed4c8 100644
--- a/devel/py-sip4/Makefile
+++ b/devel/py-sip4/Makefile
@@ -1,69 +1,73 @@
 PORTNAME=	sip4
 PORTVERSION=	${SIP4_VERSION}
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel python
 MASTER_SITES=	https://www.riverbankcomputing.com/static/Downloads/sip/${SIP4_VERSION}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	${SIP4_DISTNAME}
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Python to C and C++ bindings generator
 WWW=		http://www.riverbankcomputing.co.uk/software/sip/
 
+BROKEN=	fails to build with modern python
+DEPRECATED=	Fails to build with modern python
+EXPIRATION_DATE=	2024-06-29
+
 USES=		python pyqt:sip
 USE_PYTHON=	concurrent py3kplist flavors
 USE_PYQT=	#
 
 CONFIGURE_ARGS=	-b ${PREFIX}/bin -d ${PYTHONPREFIX_SITELIBDIR} \
 		-e ${PYTHONPREFIX_INCLUDEDIR} -v ${DATADIR} \
 		--sipdir ${PYQT_SIPDIR} \
 		CC="${CC}" CXX="${CXX}" LINK="${CXX}" LINK_SHLIB="${CXX}" \
 		CFLAGS="${CFLAGS}" CXXFLAGS="${CXXFLAGS}" \
 		INCDIR="${LOCALBASE}/include" LIBDIR="${LOCALBASE}/lib"
 
 PORTDOCS=	*
 
 OPTIONS_DEFINE=		DOCS DEBUG
 DEBUG_CONFIGURE_ON=	--debug
 
 # From upstreams site:
 # When building PyQt5 v5.11 or later you must configure SIP to create a
 # private copy of the sip module using a command line similar to the following:
 #  > python configure.py --sip-module PyQt5.sip --no-tools
 CONFIGURE_WRKSRC=	${WRKSRC}/default
 BUILD_WRKSRC=		${CONFIGURE_WRKSRC}
 INSTALL_WRKSRC=		${CONFIGURE_WRKSRC}
 
 PYQT_SIPDIR=	${LOCALBASE}/share/PyQt5/${PYTHON_VER}/sip
 
 do-configure:
 	# The default sip 'flavor'
 	${MKDIR} ${CONFIGURE_WRKSRC} &&  \
 		cd ${CONFIGURE_WRKSRC} && \
 		${PYTHON_CMD} ${WRKSRC}/configure.py ${CONFIGURE_ARGS} && \
 		${REINPLACE_CMD} -e '/sip_bin.:/s|'\'',$$|-${PYTHON_VER}'\'',|'  ${CONFIGURE_WRKSRC}/sipconfig.py
 	# The now needed version for 5.11 (which will be the default from 2019-03-16).
 	${MKDIR} ${WRKSRC}/sip_qt5 && \
 		cd ${WRKSRC}/sip_qt5 && \
 		${PYTHON_CMD} ${WRKSRC}/configure.py ${CONFIGURE_ARGS} --sip-module PyQt5.sip --no-tools  && \
 		${REINPLACE_CMD} -e '/sip_bin.:/s|'\'',$$|-${PYTHON_VER}'\'',|'  ${WRKSRC}/sip_qt5/sipconfig.py
 
 post-build:
 	cd ${WRKSRC}/sip_qt5 && ${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS}
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR} && cd ${WRKSRC}/doc/html && \
 		${COPYTREE_SHARE} \. ${STAGEDIR}${DOCSDIR}
 	${PYTHON_CMD} ${PYTHON_LIBDIR}/compileall.py \
 		-f -d ${PYTHONPREFIX_SITELIBDIR} \
 		${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 	${PYTHON_CMD} -O ${PYTHON_LIBDIR}/compileall.py \
 		-f -d ${PYTHONPREFIX_SITELIBDIR} \
 		${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 	${STRIP_CMD} ${STAGEDIR}/${PREFIX}/bin/sip
 	${STRIP_CMD} ${STAGEDIR}/${PYTHON_SITELIBDIR}/sip.so
 
 	cd ${WRKSRC}/sip_qt5 && ${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} install
 	${STRIP_CMD} ${STAGEDIR}/${PYTHON_SITELIBDIR}/PyQt5/sip.so
 
 .include <bsd.port.mk>
diff --git a/net/libarcus/Makefile b/net/libarcus/Makefile
index a0df3faa434e..20c62e27ea4d 100644
--- a/net/libarcus/Makefile
+++ b/net/libarcus/Makefile
@@ -1,28 +1,31 @@
 PORTNAME=	libArcus
 PORTVERSION=	4.13.1
 PORTREVISION=	3
 PORTEPOCH=	1
 CATEGORIES=	net cad
 DIST_SUBDIR=	Ultimaker
 
 MAINTAINER=	db@FreeBSD.org
 COMMENT=	Communication library between internal components for Ultimaker
 WWW=		https://github.com/Ultimaker/libArcus
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+DEPRECATED=	Fails to build with modern python
+EXPIRATION_DATE=	2024-06-29
+
 BUILD_DEPENDS=	sip:devel/py-sip4
 LIB_DEPENDS=	libprotobuf.so:devel/protobuf
 
 USES=		cmake compiler:c++17-lang python pyqt:5
 USE_PYQT=	pysip
 USE_GITHUB=	yes
 GH_ACCOUNT=	Ultimaker
 USE_LDCONFIG=	yes
 #GH_TAGNAME=	3afb644
 
 CMAKE_ARGS+=	-DPYTHON_EXECUTABLE:STRING=${PYTHON_CMD} \
 				-DPYTHON_INCLUDEDIR:STRING=${PYTHON_INCLUDEDIR}
 
 .include <bsd.port.mk>