PostgreSQL 8.3 has been released

Today the PostgreSQL Global Development Group releases the long-awaited
version 8.3 of the most advanced open source database, which cements our
place as the best performing open source database. Among the
performance features you'll be excited about in 8.3 are:

-- Heap Only Tuples
-- BGWriter Autotuning
-- Asynchronous Commit
-- Spread Checkpoints
-- Synchronous Scan
-- "Var-Varlena"
-- L2 Cache Protection
-- Lazy XID

8.3 also has a lot of cool features for PostgreSQL DBAs and developers,
including:

-- SQL/XML
-- CSV Logging
-- MS Visual C++ support
-- ENUMs
-- Integrated Tsearch
-- SSPI & GSSAPI
-- Composite Type Arrays
-- pg_standby

There are many, many other features included in this release. Visit thefeatures list (http://www.postgresql.org/about/press/features83.html)and the features matrix (http://www.postgresql.org/about/featurematrix)for more information, and browse the release notes(http://www.postgresql.org/docs/8.3/static/release-8-3.html) to see themore than 300 patches that went into the release. You can even visit the press page (http://www.postgresql.org/about/press/presskit83.html).
Or just go ahead and download and install 8.3:
-- Source: http://www.postgresql.org/ftp/source/v8.3.0-- Windows Binaries: http://www.postgresql.org/ftp/binary/v8.3.0/win32-- Fedora, Red Hat, Solaris Binaries:http://www.postgresql.org/ftp/binary/v8.3.0