• Latest update
  There is a new material refresh animation as well.

The latest update for Google+ brings changes you probably won't notice unless you head to a community, in which case you will really notice. The main focus of the v5.3 version is a revamped UI for communities, which certainly makes things really pop. Here's a quick before-and-after look:

Left: v5.2 Right: v5.3

Now, an individual community has its own distinct look that makes it clear that you're not browsing through your main Google+ stream.