What will be the new characteristics of PostgreSQL 9.1?
During updating the project, one can never be sure which features will go in and which ones won’t make the cut. The project has precise and stringent standards for quality, and some patches may or may not match them before the set deadline.
Currently, the 9.1 version is working on some essential features, including JSON support, synchronous replication, nearest-neighbor geographic searches, collation at the column level, SQL/MED external data connections, security labels, and index-only access. However, this list is highly likely to change completely by the time Postgre 9.1 is released.
