Oracle has just released the Java SE 6 Update 21. This version is compatible with new system configurations : Oracle Enterprise Linux 5.5, 5.4, 4.8Red Hat Enterprise Linux 5.5, 5.4Oracle VM 2.2.0.0.0Google Chrome 4.0This version integrates the Java Hotspot VM 17.0. There are several improvements, for example in compressed object pointers, escape analysis, code cache management, Mark-Sweep and G1 g