GNOME 3.10 was released last week. A lot of hard work went into it (I know I felt pretty exhausted by the end), but I think that it was worth it. We ended up with an excellent release.
I’ve been using bits and pieces of 3.10 for some time, and completely adopted it (through Fedora 20) about a week ago. It feels like some important aspects of the GNOME 3 experience have started to fall into place with the latest release. Most obviously, we have quite a few new applications, which fill gaps in the core application set. We are also seeing the application design patterns starting to mature. The addition of header bars makes a fantastic difference.