Release Notes: Changing the base package from postgresql to org.postgresql, implementation of the javax.sql extensions for the JDBC2 driver (available in the source), and loads of bugfixes. The source is part of the main PostgreSQL source tree available on http://www.postgresql.org/.
Release Notes: This is a bug fix release. The main fix is to how the driver determines what version (JDBC1.2 or JDBC2) to run. Originally in 6.5, this was done by testing the JVM version, but not all JVM's are equal, so it wouldn't work. This is now fixed. Also, transactionIsolation, getPrimaryKeys(), and some speed improvements have been made.
Release Notes: Version 6.5 of the driver introduces JDBC2 (JDK1.2) support, Internationalisation of error messages, and in the source a new example showing how to use JDK1.2's Corba ORB to connect via JDBC.