* Final 8.4.0 release. Major enhancements: - Windowing Functions - Common Table Expressions and Recursive Queries - Default and variadic parameters for functions - Parallel Restore - Column Permissions - Per-database locale settings - Improved hash indexes - Improved join performance for EXISTS and NOT EXISTS queries - Easier-to-use Warm Standby - Automatic sizing of the Free Space Map - Visibility Map (greatly reduces vacuum overhead for slowly-changing tables) - Version-aware psql (backslash commands work against older servers) - Support SSL certificates for user authentication - Per-function runtime statistics - Easy editing of functions in psql - New contrib modules: pg_stat_statements, auto_explain, citext, btree_gin Upload to unstable, 8.4 is the new default. * debian/control: Build the versionless metapackages and have them point to 8.4.