Release date: 2007-01-08
This release contains a variety of fixes from 7.3.16.
A dump/restore is not required for those running 7.3.X. However, if you are upgrading from a version earlier than 7.3.13, see Section E.320.
      to_number() and to_char(numeric)
      are now STABLE, not IMMUTABLE, for
      new initdb installs (Tom)
     
      This is because lc_numeric can potentially
      change the output of these functions.
     
Improve index usage of regular expressions that use parentheses (Tom)
      This improves psql \d performance also.