2.2.2.0
Release notes for ESAPI release 2.2.2.0 are located at:
https://github.com/ESAPI/esapi-java-legacy/blob/develop/documentation/esapi4java-core-2.2.2.0-release-notes.txt
If you are updating from ESAPI 2.2.0.0 or earlier, be especially sure to read the release notes section "Changes Requiring Special Attention" as it describes what needs to be down to get ESAPI logging to work.
Lastly, be sure to also read Security Bulletin #3 at:
https://github.com/ESAPI/esapi-java-legacy/blob/develop/documentation/ESAPI-security-bulletin3.pdf
Note the file "esapi-2.2.2.0-configuration.jar" contains the default ESAPI configuration files under 'configuration/' (ESAPI.properties, validation.properties, etc.) and the file "esapi-2.2.2.0-configuration.jar.asc" is a GPG signature of that jar file made by Kevin Wall.