# What is Pgpool-II? Pgpool-II is a tool to add useful features to PostgreSQL, including:
* connection pooling * load balancing * automatic failover and [more](https://www.pgpool.net/). # Minor releases Pgpool Global Development Group is pleased to announce the availability of following versions of Pgpool-II: * 4.5.5 * 4.4.10 * 4.3.13 * 4.2.20 * 4.1.23 Please take a look at [release notes](https://www.pgpool.net/docs/latest/en/html/release.html). You can download [the source code and RPMs](https://pgpool.net/mediawiki/index.php/Downloads). Please note that 4.1.23 is the last release of the 4.1.x series.
