11 November 2024 - Avoid log4j-api 2.24.1 When testing a potential Apache POI 5.4.0 release, we discovered a serious bug in log4j-api 2.24.1. This leads to NullPointerExceptions when you use log4j-core that is not of the exact same version (2.24.1). We recommend that users avoid log4j 2.24.x. Please direct any queries to the Log4j Team. The main issue is Issue 3143. An XMLBeans 5.2.2 release was r