Please find below an update for graphics/vtk to version 9.7.1.

Notes about this update:
1. SHARED_LIBS bump to err on the side of caution.
2. Build tested VTK's only consumer, cad/freecad, without issues.

Index: graphics/vtk/Makefile
===================================================================
RCS file: /cvs/ports/graphics/vtk/Makefile,v
diff -u -p -r1.17 Makefile
--- graphics/vtk/Makefile	13 Sep 2026 07:40:18 -0000	1.17
+++ graphics/vtk/Makefile	13 Oct 2026 15:31:07 -0000
@@ -4,10 +4,9 @@ DPB_PROPERTIES =	parallel
 
 COMMENT =		visualization toolkit
 
-V =			9.7.0
+V =			9.7.1
 DISTNAME =		VTK-${V}
 PKGNAME =		${DISTNAME:L}
-REVISION =		0
 
 .for LIB in vtkChartsCore vtkCommonCache vtkCommonColor \
 	vtkCommonComputationalGeometry vtkCommonCore vtkCommonDataModel \
@@ -45,7 +44,7 @@ REVISION =		0
 	vtkRenderingVolumeOpenGL2 vtkRenderingVtkJS vtkTestingCore \
 	vtkTestingRendering vtkViewsContext2D vtkViewsCore vtkViewsInfovis \
 	vtkexodusII vtkglad vtkioss vtkkissfft vtkmetaio vtksys vtktoken vtkx11
-SHARED_LIBS += ${LIB} 6.0 # 0.0
+SHARED_LIBS += ${LIB} 7.0 # 0.0
 .endfor
 
 CATEGORIES =		graphics
Index: graphics/vtk/distinfo
===================================================================
RCS file: /cvs/ports/graphics/vtk/distinfo,v
diff -u -p -r1.7 distinfo
--- graphics/vtk/distinfo	26 Aug 2026 16:20:52 -0000	1.7
+++ graphics/vtk/distinfo	13 Oct 2026 15:31:07 -0000
@@ -1,2 +1,2 @@
-SHA256 (VTK-9.7.0.tar.gz) = r/23oV7DTuAXRAf5EatwtkbHrwEWGBi7q04RYLfv9yA=
-SIZE (VTK-9.7.0.tar.gz) = 58568819
+SHA256 (VTK-9.7.1.tar.gz) = yuBP01UATLkWpAnbedU6II8SIel1rqzHVA7mexSO6Ro=
+SIZE (VTK-9.7.1.tar.gz) = 58586277