Good news everyone!
The kind folks at Apple responded very quickly to review a fix for the issue with the Rooms tab bar button on the just released 1.3 version. So, version 1.3.1 should be available to all within a few hours.
Release Notes from 1.3:
View sections, rooms, devices, and scenes in the order you want them.
You may now install the Automator.app plugin files and create a device with just a few clicks. Use the Automator.app plugin to send free push notifications.
Automator plugin shows timestamp and contents (contents optional) of last push notification sent on dashboard
Various bug and performance enhancements