Mostly, these are patches already accepted by the PostgreSQL community and committed into PostgreSQL.

<simpara>Performance improvement on multicore systems (buffer manager and locks optimization).</simpara>

<simpara>Full text search improvements: phrase search, hunspell morphology,

some dictionaries are bundled with distribution and can be enabled by a single SQL statement,

<application>shared_ispell</application> allowing to store dictionaries in shared memory.</simpara>

<simpara>Covering indexes.</simpara>

<simpara><application>libicu</application> support on all platforms, providing platform-independent sort for various locales.</simpara>

<simpara><application>pg_trgm</application> module supporting fuzzy string comparison and substring search.</simpara>

<simpara>Improved <application>pageinspect</application> module provides access to internal data storage structure.</simpara>

<simpara><application>sr_plan</application> module allows to save and restore query plans.</simpara>

<simpara><application>dump_stat</application> module allowing to save and restore database statistics when dumping/restoring the database. </simpara>

<simpara><application>jsquery</application> module provides a specific language for effective index-supported querying of JSONB data.</simpara>

<simpara><application>pg_variables</application> module provides functions to work with variables of various types.</simpara>

<simpara><application>pg_pathman</application> module provides optimized partitioning mechanism and functions to manage partitions.</simpara>

<simpara><application>pg_query_state</application> module provides a facility to know the current state of query execution on working backend.</simpara>

<simpara><application>pg_probackup</application> is a backup and recovery manager.</simpara>

<simpara><application>mchar</application> module provides additional data type to compatibility with Microsoft SQL Server.</simpara>

<simpara><application>fulleq</application> module provides additional equivalence operator to compatibility with Microsoft SQL Server.</simpara>

<simpara><application>fasttrun</application> module provides transaction unsafe function to truncate temporary tables without growing pg_class size.</simpara>

<simpara><application>online_analyze</application> module provides set of

or SELECT INTO operations applied for affected tables.</simpara>

<simpara><application>plantuner</application> module provides hits for planner, which can do disable or enable indexes for query execution.</simpara>

</listitem>

<simpara>Extension <application>pg_hint_plan</application> has been added (See <xref linkend="pg-hint-plan">)</simpara>

<simpara>Utility <application>pg_repack</application> has been added (See <xref linkend="app-pgrepack">)</simpara>

</listitem>

<productname>&productname;</productname> releases are following the PostgreSQL releases, though sometimes occur more frequently.

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<listitem><para>Replaced <acronym>RC4</acronym> encryption algorithm

with <acronym>AES</acronym>.</para></listitem> -->