This update release also contains fixes for many minor issues discovered and patched by the PostgreSQL community in the last month, including several fixes which are specific to version 9.2. These include:
* Prevent psql crash due to incorrectly encoded input data
* Fix pg_regress gmake build issues
* Make sure correct directory is created for extensions
* Fix some issues with buffer locks and VACUUM
* Multiple fixes and improvements for pg_upgrade
* Fix bugs with end-of-recovery when failing over to a standby
* Avoid bogus "out-of-sequence timeline ID" errors in standby-mode
* Don't launch new child processes during shutdown
* Improve the ability of JOINs to use partial indexes
* Fix assorted integer overflow errors
* Eliminate memory leaks in record_out() and record_send()
* Skip searching for subtransaction logs at COMMIT
* Fix WaitLatch() timing issues
* Fix handling of inherited check constraints in ALTER COLUMN TYPE
* Make ALTER EXTENSION SET SCHEMA behave as documented
* Have SEQUENCE SET statements in the "data" section of sectional dumps
* Prevent parser from believing that VIEWs have system columns
* Fix --clean mode for pg_dump
* Prevent hash table corruption on out-of-memory
* Various query planner and executor fixes and improvements
* Multiple documentation updates
* DST updates for seven timezones
PostgreSQL 9.2 will ship with native JSON support, covering indexes, replication and performance improvements, and many more features. We are eagerly awaiting this release and will make it available in Early Access as soon as it’s released by the PostgreSQL community," said Ines Sombra, Lead Data Engineer, Engine Yard.