: It includes upgrades to critical libraries such as log4j-api 2.18.0 , xmlbeans 5.1.1 , and pdfbox 2.0.26 .

: Version 5.2.3 was the last release to offer a full set of pre-packaged .zip and .tgz binary artifacts. These can be found in the Apache POI Release Archives .

While Apache POI has released newer versions like (as of April 2025), many developers still require version 5.2.3 for compatibility.