In the 15 worst files, 125 broken doctests:
['src/sage/combinat/set_partition.py # 5 doctests failed',
'src/sage/dynamics/arithmetic_dynamics/projective_ds.py # 5 doctests failed',
'src/sage/rings/polynomial/binary_form_reduce.py # 5 doctests failed',
'src/sage/ext/fast_callable.pyx # 6 doctests failed',
'src/sage/groups/perm_gps/permgroup.py # 6 doctests failed',
'src/sage/rings/polynomial/multi_polynomial.pyx # 6 doctests failed',
'src/sage/combinat/cluster_algebra_quiver/cluster_seed.py # 7 doctests failed',
'src/sage/combinat/root_system/weyl_group.py # 7 doctests failed',
'src/sage/graphs/generic_graph.py # 8 doctests failed',
'src/sage/libs/ntl/ntl_ZZ_pX.pyx # 8 doctests failed',
'src/sage/misc/nested_class.pyx # 9 doctests failed',
'src/sage/rings/integer.pyx # 9 doctests failed',
'src/sage/rings/qqbar.py # 9 doctests failed',
'src/sage/symbolic/expression.pyx # 12 doctests failed',
'src/sage/matroids/matroid.pyx # 23 doctests failed']
One can note a large regression in qqbar, and that matroids still get worse too.
