It’s not showing up via my update functionality in Google Earth, but if you download a fresh copy from the home page now you’ll get version 3.0.0548 Beta, up from 3.0.0529 Beta. Running the installer asks you if you want to update.

So far, updates have shown up in increments of x.x.01, so this one looks to be a little irregular. The release notes also appear to be identical, and I can’t actually spot any difference between the two versions. (Was the Dining feature there in Layers previously?) (Alerted here.]