Made abstime/reltime use int4 instead of time_t (Peter E)
Fix memory leak in odbc driver (Nick Gorham)
Fix r-tree index optimizer selectivity (Thomas)
+New lztext data type for compressed text fields
+Larger views/rules supported
Enhancements
------------
NUMERIC now accepts scientific notation (Tom)
NUMERIC to int4 rounds (Tom)
Convert float4/8 to NUMERIC properly (Tom)
-New pg_char_to_encoding() and pg_encoding_to_char() functions
+New pg_char_to_encoding() and pg_encoding_to_char() functions (Tatsuo
Libpq non-blocking mode (Alfred Perlstein)
Improve conversion of types in casts that don't specify a length
New plperl internal programming language (Mark Hollomon)
Allow negation of a negative number in all cases
Add ecpg descriptors
Allow CREATE VIEW v AS SELECT f1::char(8) FROM tbl
+New libpq functions PQsetClientEncoding(), PQclientEncoding() (Tatsuo)
+Add support for SJIS user defined characters (Tatsuo)
Source Tree Changes
-------------------
Fix for libpq and psql on Win32 (Magnus)
Internally change datetime and timespan into timestamp and interval (Thomas)
Fix for plpgsql on BSDI
+Add SQL_ASCII test case to the regression test (Tatsuo)
+configure --with-mb now deprecated (Tatsuo)
Release 6.5.3