There have been a lot of problems with Widgetbot integration during the past few months. Even though the Widgetbot integration was a completely optional part of the addon, its one that everybody wanted to use... and the problems with Widgetbot made the addon seem broken. The Widgetbot guys just didn't have the resources to sustain all the demand for their service.
Last month however, Widgetbot released their source code open source. With open source, anyone can now run their own Widgetbot cluster... preferably clusters that didn't constantly crash like the official ones did. With this update, I've changed a bit of how the cluster selection works, and added in the first third-party cluster at DisWeb. So far this cluster seems to work far better than the official clusters... and according to Widgetbot's own Uptime Tracker, is also far more stable.