Tenables new patch diff.

http://blog.tenablesecurity.com/2008/06/patchdiff2---hi.html

Tenable released a new patchdiff tool for IDA 5.2. There is also a nifty little video showing changed and unmatched functions between two IDBs.

IDA Pro 5.2

http://www.datarescue.com/idabase/52/index.htm

IDA Pro 5.2 is available now. Two big features are improved ARM support and native iPhone binary support.