This release contains a variety of fixes for version 7.2.3, including fixes to prevent possible data loss.
A dump/restore is not required for those running version 7.2.*.
Fix some additional cases of VACUUM "No one parent tuple was found" error
Prevent VACUUM from being called inside a function (Bruce)
Ensure pg_clog updates are sync'd to disk before marking checkpoint complete
Avoid integer overflow during large hash joins
Make GROUP commands work when pg_group.grolist is large enough to be toasted
Fix errors in datetime tables; some timezone names weren't being recognized
Fix integer overflows in circle_poly(), path_encode(), path_add() (Neil)
Repair long-standing logic errors in lseg_eq(), lseg_ne(), lseg_center()