Please find below an update for graphics/vtk to version 9.5.2.

Tested consumers:
cad/freecad

Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/vtk/Makefile,v
diff -u -p -r1.8 Makefile
--- Makefile	21 Aug 2025 20:17:33 -0000	1.8
+++ Makefile	19 Oct 2025 11:57:02 -0000
@@ -4,7 +4,7 @@ DPB_PROPERTIES =	parallel
 
 COMMENT =		visualization toolkit
 
-V =			9.5.0
+V =			9.5.2
 DISTNAME =		VTK-${V}
 PKGNAME =		${DISTNAME:L}
 
@@ -43,7 +43,7 @@ PKGNAME =		${DISTNAME:L}
 	vtkRenderingVolumeOpenGL2 vtkRenderingVtkJS vtkTestingCore \
 	vtkTestingRendering vtkViewsContext2D vtkViewsCore vtkViewsInfovis \
 	vtkexodusII vtkfmt vtkglad vtkioss vtkkissfft vtkmetaio vtksys vtktoken
-SHARED_LIBS += ${LIB} 2.0 # 0.0
+SHARED_LIBS += ${LIB} 3.0 # 0.0
 .endfor
 
 CATEGORIES =		graphics
Index: distinfo
===================================================================
RCS file: /cvs/ports/graphics/vtk/distinfo,v
diff -u -p -r1.3 distinfo
--- distinfo	21 Aug 2025 20:17:33 -0000	1.3
+++ distinfo	19 Oct 2025 11:57:02 -0000
@@ -1,2 +1,2 @@
-SHA256 (VTK-9.5.0.tar.gz) = BK6GJGuVV8a2GvvFNKbfCZJE+8jzk3+C5rwFcJU6+H0=
-SIZE (VTK-9.5.0.tar.gz) = 50172790
+SHA256 (VTK-9.5.2.tar.gz) = zuZLmNJw/3MC2vHvE0WN/11awey0XUdyODX399ViyYk=
+SIZE (VTK-9.5.2.tar.gz) = 50189467
Index: pkg/PLIST
===================================================================
RCS file: /cvs/ports/graphics/vtk/pkg/PLIST,v
diff -u -p -r1.3 PLIST
--- pkg/PLIST	21 Aug 2025 20:17:34 -0000	1.3
+++ pkg/PLIST	19 Oct 2025 11:57:02 -0000
@@ -1,6 +1,5 @@
 @bin bin/vtkProbeOpenGLVersion
 include/vtk/
-include/vtk/Basis_Constant_CellC0Gradient.h
 include/vtk/DICOMAppHelper.h
 include/vtk/DICOMCMakeConfig.h
 include/vtk/DICOMCallback.h
@@ -1892,6 +1891,7 @@ include/vtk/vtkOpenGLRenderTimerLog.h
 include/vtk/vtkOpenGLRenderUtilities.h
 include/vtk/vtkOpenGLRenderWindow.h
 include/vtk/vtkOpenGLRenderer.h
+include/vtk/vtkOpenGLResourceFreeCallback.h
 include/vtk/vtkOpenGLShaderCache.h
 include/vtk/vtkOpenGLShaderDeclaration.h
 include/vtk/vtkOpenGLShaderProperty.h