Changes in bliss 0.77:

• set_color and copy methods in the C++ API
• examples/enumerate.cc
• precise group size computation also without GNU GMP
• no more exit-causing "fatal_errors", instead a std::logic_error, std::out_of_range or std::bad_alloc is thrown

Changes in polymake 4.5:

See https://polymake.org/doku.php/news/release_4_5

The sympol, python-jupymake, and sagemath builds are simple rebuilds due to the above changes.