Blender needs to be rebuilt against boost-libs 1.86.0.
blender: error while loading shared libraries: libboost_python312.so.1.83.0: cannot open shared object file: No such file or directory
boost-libs 1.86.0-3
galaxy/blender 17:4.2.1-1 doesn't work.
extra/blender 17:4.2.1-2 works.
Duplicate of Blender error while loading shared libraries (https://forum.artixlinux.org/index.php/topic,7278.msg44334.html#msg44334)