Fix logging collector to not lose log coherency under high load
Fix logging collector to ensure it will restart file rotation after receiving SIGHUP
Fix WAL replay logic for GIN indexes to not fail if the index was subsequently dropped
Avoid synchronous replication delay when committing a transaction that only modified temporary tables
包含两个安全补丁:
CVE-2012-2143: Fix incorrect password transformation in contrib/pgcrypto’s DES crypt() function
CVE-2012-2655: Ignore SECURITY DEFINER and SET attributes for a procedural language’s call handler