In a previous bugreport [1] a solution was added. VTK got updated to 9 [2]. To satisfy an issue with FreeCAD an VTK-8 was re-added [3]. But this is an older version, that re-introduces a regression that was fixed in [4]
[1] https://issues.guix.gnu.org/46246 [2] https://git.savannah.gnu.org/cgit/guix.git/commit/gnu/packages/image-processing.scm?id=48f7aa1cd104096daccc8a4859021f1e1177f525 [3] https://git.savannah.gnu.org/cgit/guix.git/commit/gnu/packages/image-processing.scm?id=950475bb963468c92fd7d47300010a584c7daf55 [4] https://git.savannah.gnu.org/cgit/guix.git/commit/?id=251b0f7a6fa550ef4e0975668d7ab8c4c7b214d3