Sage 3.2.1 Release Tour
Sage 3.2.1 was released on December FIXME, 2008. For the official, comprehensive release notes, see sage-3.2.1.txt.
Algebra
Robert Bradshaw: a much simpler and faster algorithm for the divisors function over integers. The new optimized code is faster than a similar integer divisor function in the version of PARI/GP that's bundled with Sage 3.2.1, as well as outperforming a similar integer divisor function found in the version of Magma that Sage 3.2.1 interfaces with.
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Minh: Only the author should be listed IMHO, but you can mention review the reviewers for that ticket. In the above case I was not a reviewer, but John Cremona was - see #4533