#9992: MAINT: Undo Sphinx pin
#10071: DOC: reconstruct SuperLU permutation matrices avoiding SparseEfficiencyWarning
#10076: BUG: optimize: fix curve_fit for mixed float32/float64 input
#10138: BUG: special: Invalid arguments to ellip_harm can crash Python.
#10306: BUG: optimize: Fix for 10303
#10309: BUG: Pass jac=None directly to lsoda
#10377: TST, MAINT: adjustments for pytest 5.0
#10379: BUG: sparse: set writeability to be forward-compatible with numpy>=1.17
#10426: MAINT: Fix doc build bugs
#10540: MAINT: Fix Travis and Circle
#10633: BUG: interpolate: integral(a, b) should be zero when both limits are outside of the interpolation range
#10833: BUG: Fix subspace_angles for complex values
#10882: BUG: sparse/arpack: fix incorrect code for complex hermitian M
#10906: BUG: sparse/linalg: fix expm for np.matrix inputs
#10961: BUG: Fix signal.unique_roots
#11126: BUG: interpolate/fitpack: fix memory leak in splprep
#11199: BUG: sparse.linalg: mistake in unsymm. real shift-invert ARPACK eigenvalue selection
#11269: Fix: Sparse matrix constructor data type detection changes on Numpy 1.18.0