1 News Do not use with OpenJDK 8u262 or later in the OpenJDK8 series (2020/7/24) OpenJDK 8u262 is awesome release because JDK Flight Recorder (JFR) is included in some JDK distributions. However, unfortunately HeapStats agent may not work well on 8u262 or later. Checking Java heap on 8u262 or later, using JFR is recommended. See Operating Environment section below on this page for detail. See also