This presentation goes over the PGSQL 9.3 key features along with several other exciting additions released in early September 2013. These features will also be available in the 9.3 release of Postgres Plus Advanced Server.
Include_dir configuration directive
Copy freeze
Custom background workers
Additional JSON functionality
Lateral join
Parallel pg_dump pg_isready
Posix shared memory/mmap
Event triggers
Materialized views
Recursive views
Updateable views
Writeable foreign tables / postgres_fdw
Streaming only remastering
Fast failover
Architecture-independent streaming
pg_basebackup recovery.conf autosetup