I've been a big fan of Google Apps for a long time, and wouldn't go back to Exchange for all the money in the world. But Apps has had its issues. One of those, for me, has been how group membership is handled.
I recently upgraded my MacBook Air to Mavericks, and apparently that uninstalled Java for me as a ... convenience. Thanks, Apple! Since I actually use Java occasionally, I went to download the JDK, and noticed something new.