Version 2:0.11.0.1 of fenics is marked for autoremoval from testing on Sun 25 Oct 2026. It depends (transitively) on dolfin, fsspec, ipywidgets, mshr, netgen, petsc, affected by #1102465, #1147335, #1147343, #1147555, #1149422, #1149728, #1149800. You should try to prevent the removal by fixing these RC bugs.