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by melor 3695 days ago
From the Release Notes:

Major enhancements in PostgreSQL 9.6 include:

Parallel sequential scans, joins and aggregates

Elimination of repetitive scanning of old data by autovacuum

Synchronous replication now allows multiple standby servers for increased reliability

Full-text search for phrases

Support for remote joins, sorts, and updates in postgres_fdw

Substantial performance improvements, especially in the area of improving scalability on many-CPU servers