The main server channel was updated today with a maintenance package. Release Notes.
The three RC Channels will be updated to a single new package, another maintenance release. This one has fixes for the Experience Tools package. It is planned to roll out Wednesday. Release Notes.
The project requires a number of viewer side changes to see and use the new tools. Those are in the RC Experience Viewer version 18.104.22.1688001. The download link is here: Alternate Viewers Second Life.