## E.9. Postgres Pro Enterprise 9.6.6.2

Release date: 2017-12-01

### E.9.1. Overview

This release is based on Postgres Pro Standard 9.6.6.1 and Postgres Pro Enterprise 9.6.6.1. All improvements inherited from Postgres Pro Standard 9.6.6.1 are listed in Postgres Pro Standard 9.6.6.1 Release Notes.

Major enhancements over Postgres Pro Enterprise 9.6.6.1 include:

- Updated pg_probackup utility to version 2.0.13.

- Updated PTRACK functionality used by pg_probackup.

- Fixed issues with Compressed File System (CFS) on Windows:

  - Enabled updates of compressed tables.

  - Added support for zstd compression.

- Fixed a minor bug in autonomous transactions.