A bug in ProjectiveClosure has been fixed. This occasionally produced the wrong result when the affine argument had a super-scheme distinct from an ambient.
A bug in the coercion of elements into a function field of a scheme has been fixed.
A bug in conic parametrisation was fixed. This had caused four descent to return spurious answers for the elliptic curve y2 = x3 + 1026x. Reported by Joerg Jahnel.
CanonicalHeight for points on Jacobians was patched.
A bug in discrete logarithms in fields of characteristic two has been fixed.
A memory leak in the p-adics has been fixed.
A bug in constructing the quotient by the zero ideal has been fixed. Reported by C. Woestijne.
The newly released GMP 4.2 is now linked in.
A bug in multiplication of integers having more than 230 bits has been fixed. Reported by JBR.
The functions RandomBits and Ilog2 now handle integers with more than 230 bits properly.