A bug in Gröbner basis computation over rings with zero divisors has been fixed (reported by K. Kedlaya).

An inefficiency when creating large elementary abelian groups via the AbelianGroup command has been rectified. Problem reported by Mark Stather.

A bug in the maximal order computation where the discriminant is given as input as been fixed. This would never produce wrong results, but could produce interal errors. Affected functions include MaximalOrder and SplittingField.

The Ctrl-C handling for the x86_64 version has been improved.