diff --git a/cad/openroad/Makefile b/cad/openroad/Makefile
index a4f5710d9738..b90e22d6aa4f 100644
--- a/cad/openroad/Makefile
+++ b/cad/openroad/Makefile
@@ -1,92 +1,98 @@
 PORTNAME=	openroad
-DISTVERSION=	26Q2
+DISTVERSION=	26Q3
 PORTEPOCH=	1
 CATEGORIES=	cad
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	ASIC physical design tool
 WWW=		https://theopenroadproject.org \
 		https://github.com/The-OpenROAD-Project
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 .if !exists(/usr/include/omp.h)
 BROKEN=		requires OpenMP support that is missing on this architecture
 .endif
 BROKEN_i386=	compilation fails: error: static assertion failed due to requirement 'alignof(odb::_dbITerm) % 8 == 0'
 
 BUILD_DEPENDS=	base64:converters/base64 \
 		bash:shells/bash \
 		boost-libs>0:devel/boost-libs \
 		coin-or-lemon>0:math/lemon \
 		gmake:devel/gmake \
 		swig:devel/swig
 LIB_DEPENDS=	libabsl_flags_parse.so:devel/abseil \
 		libbzip2.so:misc/vxl \
 		libCbc.so:math/cbc \
 		libCgl.so:math/cgl \
 		libClpSolver.so:math/clp \
 		libcoinasl.so:math/asl \
 		libcoinmumps.so:math/coin-or-mumps \
 		libCoinUtils.so:math/coinutils \
 		libcudd.so:math/cudd \
 		libfmt.so:devel/libfmt \
 		libhighs.so:math/highs \
 		libnauty.so:math/nauty \
 		libopenblas.so:math/openblas \
 		libortools.so:math/or-tools \
 		libOsi.so:math/osi \
 		libprotobuf.so:devel/protobuf \
 		libre2.so:devel/re2 \
 		libspdlog.so:devel/spdlog \
 		libyaml-cpp.so:devel/yaml-cpp \
 		libzstd.so:archivers/zstd
 LIB_DEPENDS+=	libgtest.so:devel/googletest # because third-party/abc looks for it
 LIB_DEPENDS+=	libicudata.so:devel/icu
 
 TEST_DEPENDS=	${LOCALBASE}/lib/tcllib/json/json.tcl:devel/tcllib
 
-USES=		bison compiler:c++20-lang cmake eigen:3 qt:5 \
-		localbase:ldflags pkgconfig python:build readline tcl:86
-USE_QT=		core gui widgets buildtools:build qmake:build
+USES=		bison cmake compiler:c++20-lang eigen:3 gl localbase:ldflags \
+		pkgconfig python:build readline tcl:86
+USE_GL=		gl
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	The-OpenROAD-Project
 GH_PROJECT=	OpenROAD
-GH_TUPLE=	The-OpenROAD-Project:OpenSTA:43177bb:The_OpenROAD_Project_OpenSTA/src/sta \
-		The-OpenROAD-Project:abc:17cadca:abc/third-party/abc
+GH_TUPLE=	The-OpenROAD-Project:OpenSTA:8572175ac4:opensta/src/sta \
+		The-OpenROAD-Project:abc:d527cfab4a:abc/third-party/abc \
+		povik:sv-elab:82effc8d95:svelab/third-party/slang-elab \
+		fmtlib:fmt:553ec11:fmt/third-party/slang-elab/third_party/fmt \
+		MikePopoloski:slang:f04e815:slang/third-party/slang-elab/third_party/slang
 
-CMAKE_OFF=	BUILD_PYTHON \
-		ENABLE_TESTS
+CMAKE_ARGS=	-DFREEBSD_TCL_INCLUDEDIR=${TCL_INCLUDEDIR} -DFREEBSD_TCL_VER=${TCL_VER:S/.//}
 CMAKE_ON=	BUILD_TCL
-CMAKE_ARGS=	-DFREEBSD_TCL_VER=${TCL_VER:S/.//} -DFREEBSD_TCL_INCLUDEDIR=${TCL_INCLUDEDIR}
+CMAKE_OFF=	BUILD_PYTHON ENABLE_TESTS
 
-CXXFLAGS+=	-I${LOCALBASE}/include/eigen3 \
-		-DBOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
+CXXFLAGS+=	-DBOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED
 
-BINARY_ALIAS=	python3=${PYTHON_CMD} tclsh=${TCLSH} make=${GMAKE}
+BINARY_ALIAS=	make=${GMAKE} python3=${PYTHON_CMD} tclsh=${TCLSH}
+PORTSCOUT=	limit:^[0-9][0-9]Q
 
 PLIST_FILES=	bin/openroad \
 		bin/sta
 
-PORTSCOUT=	limit:^[0-9][0-9]Q
+OPTIONS_DEFINE=		GUI
+OPTIONS_DEFAULT=	GUI
+
+GUI_USES=	qt:5
+GUI_USE=	QT=charts,core,gui,widgets,buildtools:build,qmake:build
 
 post-patch: # override the TCL version to be the same as USES=tcl sets
 	@${FIND} ${WRKSRC} -name FindTCL.cmake \
 		| ${XARGS} ${REINPLACE_CMD} -e ' \
 			s|set(TCL_POSSIBLE_NAMES |set(TCL_POSSIBLE_NAMES tcl$${FREEBSD_TCL_VER} |; \
 			s|PATHS $${TCL_LIB_PARENT1}|PATHS $${FREEBSD_TCL_INCLUDEDIR} $${TCL_LIB_PARENT1}|'
 
 post-install: # unnecessarily installs bundled OpenSTA project: https://github.com/The-OpenROAD-Project/OpenROAD/issues/597
 	${RM} -r ${STAGEDIR}${PREFIX}/include/sta ${STAGEDIR}${PREFIX}/lib/libOpenSTA.a
 
 do-test: # some tests are known to fail
 	@${MKDIR} ${WRKSRC}/build/bin
 	@[ -f ${WRKSRC}/build/bin/openroad ] || ${LN} ${STAGEDIR}${PREFIX}/bin/openroad ${WRKSRC}/build/bin/openroad
 	@${ECHO} "==> Unit tests"
 	@cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} test/regression
 	@${ECHO} "==> Flow tests"
 	@cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} test/regression flow
 
 .include <bsd.port.mk>
diff --git a/cad/openroad/distinfo b/cad/openroad/distinfo
index bbaee2ba892b..45e3e8b1eee7 100644
--- a/cad/openroad/distinfo
+++ b/cad/openroad/distinfo
@@ -1,7 +1,13 @@
-TIMESTAMP = 1780261288
-SHA256 (The-OpenROAD-Project-OpenROAD-26Q2_GH0.tar.gz) = f82d5e2b3d94057ce15e741e87810531507c6d8260be2819da923338da5f705c
-SIZE (The-OpenROAD-Project-OpenROAD-26Q2_GH0.tar.gz) = 336422547
-SHA256 (The-OpenROAD-Project-OpenSTA-43177bb_GH0.tar.gz) = f1c9aa4729722637c036d514502ac49710ba10a03ec6004937ac8817ede8bd27
-SIZE (The-OpenROAD-Project-OpenSTA-43177bb_GH0.tar.gz) = 95720128
-SHA256 (The-OpenROAD-Project-abc-17cadca_GH0.tar.gz) = b27dad119c8372c213291b9be2f60002ff89b35673ecbc9924c01dab82f43cf6
-SIZE (The-OpenROAD-Project-abc-17cadca_GH0.tar.gz) = 7182684
+TIMESTAMP = 1786908698
+SHA256 (The-OpenROAD-Project-OpenROAD-26Q3_GH0.tar.gz) = 26d42275db360b1edfc25ce94d3ab815d28fc5e088aaf79907f008d473454f6f
+SIZE (The-OpenROAD-Project-OpenROAD-26Q3_GH0.tar.gz) = 340513978
+SHA256 (The-OpenROAD-Project-OpenSTA-8572175ac4_GH0.tar.gz) = 582a278aed23c991f53b6d1635223f3d22b21368effa5abbf58229faf52773e5
+SIZE (The-OpenROAD-Project-OpenSTA-8572175ac4_GH0.tar.gz) = 95737061
+SHA256 (The-OpenROAD-Project-abc-d527cfab4a_GH0.tar.gz) = 5310d7f6e603f22743dfcbe01b0d2fdb36485124a07c82257749744fad663d55
+SIZE (The-OpenROAD-Project-abc-d527cfab4a_GH0.tar.gz) = 7651061
+SHA256 (povik-sv-elab-82effc8d95_GH0.tar.gz) = 5cc26046d080e33c476996aa6aad2bbffccebfb8542513b91f1ad7497dd419d2
+SIZE (povik-sv-elab-82effc8d95_GH0.tar.gz) = 132756
+SHA256 (fmtlib-fmt-553ec11_GH0.tar.gz) = f91fd3927c18860050bc0b943306681a8bafccfb17ed0c97252d5ededa742745
+SIZE (fmtlib-fmt-553ec11_GH0.tar.gz) = 707406
+SHA256 (MikePopoloski-slang-f04e815_GH0.tar.gz) = 4c74b6c351e5de708545058c3160e1586d66500c22700eb105719a7e251a22f4
+SIZE (MikePopoloski-slang-f04e815_GH0.tar.gz) = 1851409
diff --git a/cad/openroad/files/patch-src_sta_util_StringUtil.cc b/cad/openroad/files/patch-src_sta_util_StringUtil.cc
deleted file mode 100644
index c0562096d9ae..000000000000
--- a/cad/openroad/files/patch-src_sta_util_StringUtil.cc
+++ /dev/null
@@ -1,30 +0,0 @@
--- std::from_chars for floating-point types is not implemented in FreeBSD's libc++.
--- Replace with std::stof which is available and has equivalent semantics.
--- see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295767
-
---- src/sta/util/StringUtil.cc.orig	2026-05-31 21:08:13 UTC
-+++ src/sta/util/StringUtil.cc
-@@ -55,13 +55,17 @@ stringFloat(const std::string &str)
- std::pair<float, bool>
- stringFloat(const std::string &str)
- {
--  float value;
--  auto [ptr, ec] = std::from_chars(str.data(), str.data() + str.size(), value);
--  if (ec == std::errc()
--      && *ptr == '\0')
--    return {value, true};
--  else
-+  // std::from_chars for float is not implemented in FreeBSD libc++
-+  try {
-+    size_t pos;
-+    float value = std::stof(str, &pos);
-+    if (pos == str.size())
-+      return {value, true};
-+    else
-+      return {0.0, false};
-+  } catch (...) {
-     return {0.0, false};
-+  }
- }
- 
- void