Shenandoah GC landed in JDK12 about a year ago, giving OpenJDK another low-pause garbage collector. It has undergone substantial changes since then. Specifically we have a new barrier scheme, and have eliminated the extra forwarding pointer word per object, thus substantially reducing memory footprint. After giving a general introduction to OpenJDK GC landscape and Shenandoah GC, this talk focuses on those recent changes in Shenandoah and what's in it for you.